Patsy A. McLaughlin's research while affiliated with Western Washington University and other places

Publications (90)

Article
Full-text available
Background: The question of how many marine species exist is important because it provides a metric for how much we do and do not know about life in the oceans. We have compiled the first register of the marine species of the world and used this baseline to estimate how many more species, partitioned among all major eukaryotic groups, may be disco...
Article
Full-text available
Annotated checklists of the world's Recent anomuran crustacean superfamilies Aegloidea, Hippoidea, Lithodoidea, Lomisoidea, Paguroidea and galatheoid family Porcellanidae are presented. Each is accompanied by brief reviews of the historical aspects of its classification, general external morphology, features of larval development and current phylog...
Article
Two species of Paguristes Dana, 1851 occurring in New Zealand waters, P. pilosus H. Milne Edwards, 1836 and P. setosus H. Milne Edwards, 1848, were the sources of errors and considerable confusion for many years. The misunderstanding regarding the identities of these taxa was further compounded by Filhol (1885) when he published a description of P....
Article
A new classifi cation is presented based on the results of the recently completed cladistic analysis of the Pylochelidae. The subfamilies Pylochelinae and Pomatochelinae are retained, the latter with the genera Pylocheles and Cheiroplatea; however, the subgenera Xylocheles and Bathycheles are elevated to generic rank together with the nominal subge...
Article
The rare and unusual deep water hermit crab genera Porcellanopagurus Filhol and Solitariopagurus Tiirkay are reported for the first time from Hawaiian waters. Each genus is represented by a single specimen collected from Penguin Banks, off the southwest coast of Moloka'i, Hawaii. The specimen of Porcellanopagurus is identified as P. platei, a speci...
Article
The rare and unusual deep water hermit crab genera Porcellanopagurus Filhol and Solitariopagurus Türkay are reported for the first time from Hawaiian waters. Each genus is represented by a single specimen collected from Penguin Banks, off the southwest coast of Moloka'i, Hawaii. The specimen of Porcellanopagurus is identified as P. platei, a specie...
Article
Phylogenetic relationships within the "symmetrical" hermit crab family Pylochelidae were analyzed for 41 of the 45 species and subspecies currently considered valid. In the analyses, 78 morphological characters comprised the data matrix and the outgroup consisted of Thalassina anomala, a member of the Thalassinidae, and Munida quadrispina, a member...
Article
A new genus, Lemaitreopsis, and a new species, Lemaitreopsis holmi, assigned to the paguroid family Pylojacquesidae are described and illustrated. The new taxa are based on a single female specimen collected from off the Isle of Pines, New Caledonia. The generic placement in the heretofore monotypic Pylojacquesidae is based primarily on the develop...
Article
During a survey of the biodiversity of the southeastern part of Espiritu Santo, Vanuatu Archipelago, specimens of a tiny but distinctive new hermit crab species, referable to a new genus, were discovered in the shallow waters off the island. Herein, Pumilopagurus tuberculomanus new genus, new species, is described and illustrated. The genus is char...
Article
Ambiguity in the purported diagnostic attributes utilized to identify species of the poorly known “Troglopagurus group” of the hermit crab genus Diogenes prompted a review and critical reassessment of the morphological characters used to differentiate the nine recorded taxa. For this, an analysis was conducted based on 122 individuals including the...
Article
A new family, Pylojacquesidae, is proposed for Pylojacquesia colemani, new genus and species. Although the new family, with its monotypic genus, exhibits characters of both superfamilies of the Section Paguridea, it is tentatively assigned to the Paguroidea until additional material becomes available that would permit a more detailed study. The new...
Data
FIGURE 1. A, Porcellanopagurus platei Lenz, 1902, ovigerous female, Hawaii (LACM CR 2006 - 013.1). B, Solitariopagurus tuerkayi McLaughlin, 1997, ovigerous female, Hawaii (LACM CR 2003 - 046.1) Scale bar applies to both figures.
Data
FIGURE 2. Porcellanopagurus platei Lenz, 1902, male lectotype (ZMB 10978). A, cephalothorax, eyestalks, and antennae, dorsal view. B, coxa of fifth pereopods showing mesial opening of gonopores. C, major (right) chela and carpus. D, left chela and carpus. E, sixth somite, uropods, and telson. All scale bars = 1 mm.
Data
FIGURE 4. A, Porcellanopagurus platei Lenz, 1902, color photograph of ovigerous female (LACM CR 2006 - 013.1) taken approximately 1 year after collection. B, Solitariopagurus tuerkayi McLaughlin, 1997, color photograph of male (LACM CR 2003 - 046.1) taken by RBM immediately after collecting.
Article
A new species of the diogenid genus Cancellus, C. panglaoensis, was collected during the Philippine PANGLAO Expeditions of 2004 and 2005. This species is described, fully illustrated and compared with the superfi cially very similar C. mayoae Forest & McLaughlin, 1998, from Japan and with the New Zealand C. frontalis Forest & McLaughlin, 2000. The...
Article
The larvae of two species of the pylochelid genus Trizocheles are described from prematurely hatched specimens and compared with earlier described larvae of Pylocheles (Pylocheles) and Pomatocheles. Although all are lecithotrophic and exhibit marked advanced development, differences in the larval morphology among the three genera are profound. Cons...
Article
The larvae of two species of the pylochelid genus Trizocheles are described from prematurely hatched specimens and compared with earlier described larvae of Pylocheles (Pylocheles) and Pomatocheles. Although all are lecithotrophic and exhibit marked advanced development, differences in the larval morphology among the three genera are profound. Con-...
Article
Full-text available
A pagurid crab carrying half of a bivalve shell was collected from Jejudo Island and identified as Porcellanopagurus nihonkaiensis. A diagnosis with illustrations of this specimen is presented. Although, Komai and Takeda (2006) reported this species as rare and known only from Japan, its range is now extended to Korean waters. At present, it is the...
Article
Full-text available
During October 2002, the benthic communities of Conic Island Cave and the adjacent sea area of Hong Kong were sampled by SCUBA divers. Twenty genera and 21 decapod species were identified with seven species being reported from Hong Kong for the first time.
Data
FIGURE 2. Metazoea of Trizocheles spinosus spinosus (Henderson, 1888). a, cheliped; b, second pereopod; c, third pereopod; d, fourth pereopod; e, fifth pereopod; f, pleon and telson. Scales: 0.25 mm (a – e), and 1 mm (f).
Article
Full-text available
The larval, megalopal and early juvenile stages of Pagurus granosimanus are described, illustrated and compared with other North Pacific species of the genus. Morphologically, the zoeae of P. granosimanus appear most similar to the Japanese P. brachiomastus in the majority of characters, but share the endopodal setation of the third maxilliped with...
Data
FIGURE 1. Metazoea of Trizocheles spinosus spinosus (Henderson, 1888). a, carapace (lateral view); b, antennule; c, antenna; d, mandible; e, maxillule; f, maxilla; g, first maxilliped; h, second maxilliped; i, third maxilliped. Scales: 1 mm (a), and 0.25 mm (b – i).
Data
FIGURE 5. Trizocheles vaubanae n. sp., a, ovig. female holotype (sl = 7.7 mm) (MNHN-Pg 7766), b – j, male paratype (sl = 4.3 mm) (MNHN-Pg 7770). a, shield and cephalic appendages (aesthetascs and some setae omitted); b, mandibular palp (left, inner surface); c, maxillule (left, outer face); d, maxilla (left, outer surface); e, first maxilliped (lef...
Data
FIGURE 6. Trizocheles vaubanae n. sp., ovig. female holotype (sl = 7.7 mm) (MNHN-Pg 7766). a, chela and carpus of left cheliped (outer face); b, left second pereopod (lateral view); c, propodus and carpus of left second pereopod (mesial view); d, right third pereopod (lateral view); e, tergite of sixth pleomere, protopods of uropods, and telson (do...
Data
FIGURE 3. Metazoea of Trizocheles vaubanae n. sp. a, antennule; b, antenna; c, mandible; d, maxillule; e, maxilla; f, first maxilliped, g, second maxilliped; h, third maxilliped. Scale: 0.25 mm.
Article
Additional materials of two species of the recently described pagurid genus Pteropagurus McLaughlin & Rahayu, 2006 have required an emendation of the genus. These have also provided the information needed to supplement the original species descriptions, including the unusual morphology of the male of P. spina McLaughlin & Rahayu, 2006 and the sexua...
Data
FIGURE 4. Metazoea of Trizocheles vaubanae n. sp., a – g: a, cheliped; b, second pereopod; c, third pereopod; d, fourth pereopod; e, fifth pereopod; f, pleon and telson; g, telson. Trizocheles spinosus spinosus (Henderson, 1888), h: telson. Scales: 0.25 mm (a – e), 1 mm (f), and 0.5 mm (g – h).
Article
Pseudopagurodes piliferus (Henderson, 1888), heretofore known only from its female holotype, is redescribed and illustrated based on recent collections, and an error in the stated type locality is corrected. Additionally, a superficially very similar species, previously assigned to the genus Nematopaguroides, N. reconditus Wang & McLaughlin, 2000,...
Article
The diagnosis of the recently described hermit crab genus Catapaguropsis Lemaitre & McLaughlin, 2006 is emended to accommodate a second distinctive new species, Catapaguropsis brucei n. sp., which does not exhibit the sexual dimor- phism described for the type species, C. queenslandica Lemaitre & McLaughlin, 2006. Catapaguropsis brucei n. sp. is ch...
Article
The diagnosis of the recently described hermit crab genus Catapaguropsis Lemaitre & McLaughlin, 2006 is emended to accommodate a second distinctive new species, Catapaguropsis brucei n. sp., which does not exhibit the sexual dimorphism described for the type species, C. queenslandica Lemaitre & McLaughlin, 2006. Catapaguropsis brucei n. sp. is char...
Article
Full-text available
Morphological variations in the two zoeal stages and megalopa of a lecithotrophic population of Paralomis granulosa (Jacquinot) reared under laboratory conditions are reviewed. Attention is also directed to certain aspects of their development not previously considered. More importantly, the first three juvenile stages are described and illustrated...
Article
A reexamination of the holotypes of Pylocheles cubensis Ortiz & Gómez, 1986 and Pylocheles (Bathycheles) chacei Forest, 1987 has shown that these two deep-water taxa are identical. Pylocheles cubensis is the senior synonym and is assigned to the subgenus Bathycheles Forest, 1987, replacing P. (B.) chacei as the single Western Atlantic representativ...
Article
The hypothesis of monophyly in Paguroidea and the relationship of this superfamily to the other three superfamilies of Anomura have been reassessed using current cladistic methods and computer generated analysis. In the analysis, 79 external morphological characters were examined for an in-group consisting of the seven paguroid families, Pylochelid...
Article
Paguristes balanophilus Alcock, 1905, a species mistakenly included in the Japanese paguroid fauna, is redescribed and illustrated from material discovered amongst the collections of the Muséum national d'Histoire naturelle, Paris, and the Natural History Museum, London. A lectotype is designated and the species distribution is restricted to Arabia...
Article
A new genus, Catapaguropsis, and new species, Catapaguropsis queenslandica, are described from off Queensland, northeastern Australia. The new genus is compared and contrasted to two other genera of the family Paguridae, Catapagurus and Pteropagurus, with which it shares certain common characters. The new species is notable for its exhibited sexual...
Article
A new genus, Catapaguropsis, and new species, Catapaguropsis queenslandica, are described from off Queensland, northeastern Australia. The new genus is compared and contrasted to two other genera of the family Paguridae, Catapagurus and Pteropagurus, with which it shares certain common characters. The new species is notable for its exhibited sexual...
Article
A new genus, Pteropagurus, is proposed for two new species of hermit crabs that are described and illustrated herein. These species, Pteropagurus inermis n. sp. and P. spina n. sp. are unique in that their shelter of choice is empty pteropod mollusk shells. The taxon can be categorized as a deepwaters genus, with a bathymetric range of 285 to 700 m...
Article
A new genus, Pteropagurus, is proposed for two new species of hermit crabs that are described and illustrated herein. These species, Pteropagurus inermis n. sp. and P. spina n. sp. are unique in that their shelter of choice is empty pteropod mollusk shells. The taxon can be categorized as a deep-waters genus, with a bathymetric range of 285 to 700...
Article
The shallow-water tropical paguroid communities of the Indo-Pacific typically are dominated by rep-resentatives of the family Diogenidae. However, while some 1217 dredgings were made in New Caledonian lagoons between 1984 and 1989 (Richer de Forges, 1991), the majority at depths of less than 100 meters, it is clear from the species listing that the...
Article
A new species of the hermit crab genus Paguristes, sensu stricto, Paguristes alcock n. sp., is described and illustrated from materials collected in Australia, Indonesia and the Philippine Islands. It is proposed that this taxon, or a species identified simply as Paguristes sp. by Lewinsohn (1969) in his monograph of Red Sea Anomura, may be conspec...
Article
A new species of the hermit crab genus Paguristes, sensu stricto, Paguristes alcock n. sp., is described and illustrated from materials collected in Australia, Indonesia and the Philippine Islands. It is proposed that this taxon, or a species identified simply as Paguristes sp. by Lewinsohn (1969) in his monograph of Red Sea Anomura, may be conspec...
Article
Full-text available
A poorly known pagurid hermit crab, Alainopaguroides andamanensis McLaughlin, 2002, is recorded from Japanese and Indonesian waters for the first time. This species was only recently described from the Andaman Sea near Phuket, Thailand. The original description of the species was based on small, damaged specimens, and therefore a supplemental descr...
Article
A detailed diagnosis of the monotypic genus Tomopaguroides Balss, 1912 is presented for the first time, together with the redescription of its type species, T. valdiviae (Balss, 1911) from the lectotype, herein designated, and supple- mental specimens collected in New Caledonia and the Philippine, Salomon and Fiji islands. These collection areas re...
Article
Two new species of the hermit crab genus Lithopagurus Provenzano, 1968 are described and illustrated together with an illustrated and detailed diagnosis of the type species, L. yucatanicus Provenzano, 1968 that is included for compar­ ative purposes. This genus, heretofore monotypic and known only from off the Atlantic coast of Mexico, is now repor...
Article
A new genus and new of the hermit crab family Paguridae are described and illustrated from specimens collected off northwestern Australia. The genus, CycetopaglllllS, gen. nov., is distinguished by a combination of characters shared individually with several genera that are collectively recognized by the development in males of an elongate right an...
Article
Full-text available
In this second of a two-part series, carcinization in the Anomura has been reviewed from early juvenile, megalopal, and larval perspectives. Data from megalopal and early juvenile development in ten genera of the Lithodidae have provided unequivocal evidence that earlier hypotheses regarding evolution of the king crab pleon were erroneous. A patter...
Article
Reexamination of the holotype of "Eupagurus" microps Balss, 1911 has shown that this species actually should be assigned to the genus Bathypaguropsis McLaughlin, 1994. Although initially collected at a depth in excess of 1000 m off Somalia, the bathymetric and geographic distributions of this taxon have been markedly expanded with the discovery of...
Article
The discovery of two new species, Enallopagurus provenzanoi, and EnallopaguropsLs williamsi, has required an addendum and concluding part to the revisionary study of the "Pylopagunis-Tomopagurus" group of genera. The diagnoses of Enallopagurus McLaughlin and Enallopaguropsis Mc- Laughlin, are emended, and a corrected key to the genera is provided....
Article
ABSTRAC7: -The morphology of the hermit crab species Diogenes pallescens Whitelegge, 1897, D. gardineri Alcock, 1905, and D. serenei Forest, 1956 is reviewed, based on the type series, and supplemental materials. No single character, or suite of characters, has been found that will separate the three taxa. Consequently, it is concluded that morphol...
Article
Species of the hermit crab genus Catapaguroides A. Milne-Edwards & Bouvier, 1892, are principally inhabitants of the Indo-Pacific, but with two representatives in the Atlantic, one in the Red Sea, and one species that reportedly is cosmopolitan. All are quite small, and most species have been described on the basis of one or only a few specimens. T...
Article
A species of the hermit crab genus Catapaguroides recently discovered in a sand-dwelling Halimeda community on the island of Maui, Hawaiian Islands, prompted a reexamination of the holotype of Catapaguroides setosus (Edmondson, 1951), described from off the south coast of O'ahu. The latter species, currently considered a junior subjective synonym o...
Article
Full-text available
Redescriptions based on the type material are presented for 11 species of hermit crabs described as new by Camill Heller (HELLER 1861a, c, 1862, 1865): Coenobita violascens HELLER, 1862, Diogenes avarus HELLER, 1865 - for which a lectotype is designated, Diogenes senex HELLER, 1865, Pagurus varipes HELLER, 1861 (= Dardanus tinctor (FORSKÅL, 1775)),...
Article
Full-text available
The megalopal and first three juvenile stages of Lithodes santolla (Molina, 1782) are described in detail and illustrated, and ancillary information on carapacial spines and abdominal plate development in juvenile stages four and five are provided. Particular emphasis has been placed on the morphological changes occurring in the abdominal tergites...
Article
Full-text available
One of the three syntypes of Pagurus lepidochirus (Doflein, 1902) was reexamined. This female syntype was found to possess paired first pleopods modified as gonopods, broadly separated ocular acicles and subequal chelipeds, suggesting reassignment of this species to either the genus Nematopagurus A. Milne-Edwards & Bouvier, 1892, or to Ceratopaguru...
Article
In this final part of a six-part series, two new species of Pylo- pagurus A. Milne-Edwards & Bouvier are described, P. macgeorgei and P. gorei, and one existing species, P. longicarpus Walton, is placed in synonymy with P. holmesi Schmitt. Some species of Pylopagurus have been found to exhibit weak development of a male sexual tube, thus requiring...
Article
McLaughlin and Lemaitre (1997), in their examination of carcinization in the Anomura, rejected the traditional concept of paguroid evolution, which had consistently maintained that the lithodid crab-like body form evolved from a typical shell-dwelling hermit crab. Their hypothesis proposed just the reverse, i.e., the lithodid crab-like body form ga...
Article
Four zoeal, the megalopal and the first crab stage are described and illustrated for Placetron wosnessenskii Schalfeew (Hapalogastrinae). Morphological differences found in some of the developmental sequences between members of the two subfamilies of the Lithodidae are reviewed.
Article
Abatmct.—The male of a species de- scribed as Pagurus miyakei Baba, 1986 is described from a specimen collected trojn deep water off the northeast coast of Taiwan, a new geographical record for this species. Close examination of the gills revealed a quadriserial condition, and the presence of reduced and rudi- mentary pleurobranchs above the second...
Article
Three additional hermit crabs belonging to the genus Calcinus are described from French Polynesia: Calcinus anani n. sp., from Tuamotu and Marquesas sublittoral waters (18/55-140 m); C. hakahau n. sp., from the Marquesas (18-55 m); and C. revi, a dwarf species from the Tuamotu. Coloration, one of the most important diagnostic characters for species...
Article
Full-text available
Carcinization, or the process of becoming a crab, has been, and continues to be, a focal point of anomuran evolutionary hypotheses. Traditional examples of carcinization in the Anomura are most celebrated among hermit crabs but certainly are not limited to this group. Carcinization, if it has occurred, has done so independently in all major anomura...
Article
In this fifth part of a six part series, the genera Anisopagurus McLaughlin and Manucomplanus McLaughlin, together with their respective species, are diagnosed in detail and illustrated. Protoniopagurus bioperculatus n. gen., n. sp., and three new species of Anisopagurus, A. actinophorus, A. vossi and A. hopkinsi, are described. Morphological varia...
Article
The taxon originally described from southern California as Pagurus hirsutiusculus venturensis Coffin, 1957 has been critically reexamined, Comparison with a Puget Sound, Washington, population of P. hirsutiusculus hirsutiusculus (Dana) has shown that the two taxa represent distinct species. Pagurus venturensis is redescribed and illustrated. The zo...
Article
The larval development of Clibanarius albidigitus Nobili is described and illustrated from laboratory-reared specimens. At 30C, this species passes through four zoeal stages before molting to the megalopa. Of the 120 individual larvae reared, survival was high, with 88% reaching the megalopal stage. Zoeal stage durations varied from 3 to 18 d. Rear...
Article
The zoeal, megalopal, and first three juvenile stages of Pagurus stevensae Hart, 1971, are described and illustrated from larvae reared under laboratory conditions. Zoeae of P. stevensae are easily distinguished from the larvae of other local hermit crab species by several distinctive morphological characters. The most readily observed are the four...
Article
The discovery of a coral dwelling hermit crab in the Maldives prompted a critical review of the polychaete tube and coral inhabiting hermit crab genus Pagurilla Melin, 1939. The morphological similarities among species of this genus caused several earlier authors to include several distinct taxa under the name P. harmsi Gordan. Paguritta gracilipes...
Article
The zoeal and megalopal stages of Pagurus armatus (Dana) reared under laboratory conditions are described and illustrated. Development in this, the second Pacific species of the bernhardus group to be documented, is compared with the larval morphology described for three other species of this group. With one exception, the length of the posterolate...
Article
Zoeal, megalopal, and early juvenile stages of Pagurus ochotensis (Brandt, 1851) from a northeastern Pacific population are described from laboratory-reared individuals. Zoeal and megalopal development in this population is compared with that described for a population of this species from Hokkaido, Japan. First and second juvenile crab stages of t...
Article
The larvae of a second newly described species of the provenzanoi group of pagurid hermit crabs from the eastern Pacific have been reared in the laboratory from hatching through late juvenile stages. The 4 zoeal stages and 1 megalopal stage are described and illustrated. The larval characters of this species are compared with Pagurus vetaultae Harv...
Article
The larval developmental sequences of Clibanarius antillensis Stimpson from first zoea through to megalopa are compared between laboratory-reared populations from Panama and Brazil. Only four zoeal stages are recorded for the Panamanian population, in contrast to four or five for the Brazilian larvae. Other differences in morphology are discussed a...
Article
Full-text available
During ecological studies of the shallow-water hermit crab fauna of the northwestern Gulf of California, Mexico, two new species of the provenzanoi group of Pagurus were recognized. Additional material has shown that one of these species, P. vetaultae n. sp., has been found as far south as Panama, whereas the second, P. arenisaxatilis n. sp., appea...
Article
ABSTRACT The complete larval sequence, megalopa, and early juvenile stages of Pagurus kennerlyi (Stimpson), a member of the capillatus group, are described from laboratory-reared specimens. Development consisted of four zoeal and one megalopal stage. No prezoeal stage was observed. Of the broods obtained from three females, approximately one-third...
Article
In a continuing study of the usefulness of larval characters in determining phylogenetic relationships among species of the hermit crab genus Pagurus, the developmental sequence of Pagurus hirsutiusculus hirsutiusculus (Dana) has been reexamined using laboratory-reared larvae. Results of the current study have shown that several significant charact...
Article
Larvae of Pagurus maclaughlinae García-Gómez have been reared in the laboratory from hatching through metamorphosis. The four zoeal stages and one megalopal stage are described and illustrated. The larval characters of this species are compared with those described for several other species of Pagurus.
Article
Description et figuration d'une nouvelle espèce du genre Allodardanus de la famille des Diogenidae, et comparaison avec les deux autres espèces du genre.
Article
Pseudopaguristes, gen. nov., an aberrant, presently mono- typic, genus of the hermit crab family Diogenidae, is diagnosed and its type species, Pseudopaguristes janetkae,sp. nov., is described and illus- trated. As its name implies, this new genus is, in many morphological characters, nearly identical to the genus Paguristes Dana. However, it diffe...

Citations

... During the last decade there has been a significant increase in the number of genera and species of hermit crabs described worldwide. Descriptions of new taxa were based on thorough revisions of the systematics of the group, combined with the examination of freshly collected and museum specimens (e.g., Lemaitre & McLaughlin 2006, McLaughlin & Rahayu 2008, Ayón-Parente & Hendrickx 2009. ...
... This association would embrace ecological requirements of the majority of hermit crabs, except for occurrences within wood and pumice. Extant forms hide in straight and elongated cavities such as branches ( RAHAYU, 2006). Most interestingly, modern hermit crabs have been observed to use fossil shells as a shelter; Coenobita clypeatus (HERBST, 1791) in Bermuda almost exclusively utilizes fossil and subfossil shells (WALKER 1994). ...
... albengai, the shallow water (< 50 m) color variant of the deep water (50-280 m) C. albengai, and two species having a distal brush of setae on the ventral margin of P3, Calcinus argus Wooster, 1984, and Calcinus anani Poupin and McLaughlin, 1998. Subsequently, Malay et al. (2012 have found that Poupin and McLaughlin's (1998) C. anani is restricted to French Polynesia, and described C. fuscus from Japan and western Pacific. The photograph of C. anani from Japan in Malay and Paulay (2010, fig 14) and their sequences of C. anani from Bismarck archipelago, Papua New Guinea (UF4808), actually represent C. fuscus. ...
... Recently an expedition was undertaken to survey the crustacean and molluscan fauna around Panglao Island in the central Visayas, the Philippines (the PANGLAO 2004 Expedition; Bouchet et al., 2009). This expedition has already resulted in the discovery of several new species and new records of hermit crabs, mostly from the family Paguridae (McLaughlin & Rahayu, 2005;McLaughlin, 2008;McLaughlin & Lemaitre, 2009;Rahayu & Forest, 2009;Asakura, 2010;, b, d, 2014Rahayu & Komai, 2013a, b;Jung et al., 2017). So far, about 153 species of hermit crab in the families Coenobitidae, Diogenidae, Paguridae, Parapaguridae, and Pylochelidae have been recorded from the Philippines (Table 3). ...
... In this clade, the two subdivisions generated are coincident with the proposal of some investigators (Harvey & McLaughlin 1991;Haig & McLaughlin 1991), that within group I "provenzanoi", more than one subdivision exists. In fact, these authors proposed a so-called "Pagurus lepidus complex", composed mostly of Pacific American species. ...
... Diogenidae Ortmann, 1892 has historically been treated as a monophyletic family (e.g., MacDonald et al. 1957;McLaughlin 1983McLaughlin , 2002Cunningham et al. 1992;McLaughlin & Lemaitre 1997;Forest & McLaughlin 2000;Ahyong & O'Meally 2004;McLaughlin et al. 2007McLaughlin et al. , 2010Ahyong et al. 2009;De Grave et al. 2009), whereas others argued against this hypothesis (Tudge 1995(Tudge , 1997Tsang et al. 2008Tsang et al. , 2011Bybee et al. 2011;Schnabel et al. 2011;Bracken-Grissom et al. 2013;Gong et al. 2018;Landschoff & Gouws 2018;Tan et al. 2018;Wolfe et al. 2019). Craig & Felder (2021) presented further molecular evidence against diogenid monophyly and identified three major genetic clades. ...
... Therefore, we propose the new genus Catapaguropsis for the new species described herein as Catapaguropsis queenslandica. The specimens used in this study are deposited in the Queensland Museum, Brisbane with the catalog reference code W. Terminology for the generic diagnosis and species' description follows that of McLaughlin (2003) and McLaughlin & Rahayu (2006). One measurement, shield length (sl), measured from the midpoint of the rostral lobe to the midpoint of the posterior margin of the shield provides an indication of animal size. ...
... The identification of these two diogenid genera is important for revealing the marine biodiversity of Korea because they are abundant in intertidal and subtidal environments. However, it is difficult to differentiate bet ween Areopaguristes and Paguristes because they have similar morphological characteristics except for the number of gills (Komai, 2009;Rahayu and McLaughlin, 2010), which are not visible externally. In addition, because of their similar morphological characteristics, it is difficult to differentiate between A. japonicus and A. nigroapiculus as well as between P. digitalis and P. ortmanni (Komai, 2001(Komai, , 2009, all of which are common species in Korea. ...
... Partly carcinized forms are known only in a few pagurid genera, most notably Porcellanopagurus, Solitariopagurus Türkay, 1986, and Ostraconotus A. Milne Edwards, 1880(Borradaile 1916Türkay 1986;McLaughlin 2000). These genera are characterized by a squarish, well-sclerotized carapace, a more or less reduced abdomen, and (when known) a domicile consisting of a bivalve or a limpet shell (Poupin & McLaughlin 1996;McLaughlin 2000;Martin et al. 2009). ...
... The infraorder currently contains 3124 extant species in 21 families and 7 superfamilies (WoRMS, 2019). The members of the superfamily Aegloidea Dana, 1852 exclusively dwell in freshwater (McLaughlin et al., 2010). Most of the anomurans (3025 species), however, occur in the marine environment (WoRMS, 2019). ...