
Frank SwinnenInstitute of Natural Sciences · recent invertebrates
Frank Swinnen
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Publications
Publications (30)
The cystiscid fauna from Ascension and St. Helena is studied on the ground of semi-intensive samplings worked during the years 2014-2019 by the Shallow Marine Surveys Group (Falk-lands, United Kingdom). The study of the shell morphology and of its variability allows to describe as new three Gibberula species in Ascension Island: G. monticola n. sp....
The bivalve species Streptopinna saccata is recorded from Sao Tome Island.
The identity of Euthria fernandesi Rolán, Monteiro & Fraussen, 2003 is studied. This species was known only from the holotype. Apparently, all subsequently collected specimens identified as such differ from the holotype in shape and sculpture and do not belong to E. fernandesi. In the present paper, we record a second specimen of the real E. fernan...
The identity of the Eastern Atlantic Terebridae species Hastula exacuminata Sacco, 1891, Hastula aciculina (Lamarck, 1822) and Hastula lepida (Hinds, 1844) are re-evaluated based on a recent study of specimens in various collections. Protoconchs-extremely rarely in pristine condition-for all these species were only recently available in representab...
A new species in the complex of Hastula strigilata is described from Sulawesi and compared to its sole congener from Palawan.
The status of Terebra fernandesi is updated to become a member of the genus Duplicaria and an additional new species is described in the genus. The status of the 'type(s)' of Terebra senegalensis is discussed and the hitherto still presumed variability of the shells of Oxymeris senegalensis is further illustrated, and an additional new species in t...
The status of Terebra reticularis (Pecchioli in Sacco, 1891), in reference to its use to denominate an extant species along the West African coast, is re-evaluated and found to be non-conspecific. The present-day species is thus described as new. The taxa Terebra pseudoturbonilla, Terebra gaiae and Terebra gabriellae are re-evaluated due to the ava...
Ringicula overwegae n. sp., a West African member of the Ringiculidae, is described based on its shell morphological features. The distinctive traits of this new taxon set it apart unmistakably from other Ringicula species found in the Atlantic Ocean.
Description of two new Gibberula from Cameroon (Mollusca: Volutacea: Cystiscidae). - Two new species
of Gibberula are described from Cameroon as G. knudseni sp. nov. and G. browningleeae sp. nov. based on their shell
features. The shell of G. knudseni suggests distant affinities with the complex G. oryza (Lamarck, 1822)/G. miliaria
(Linnaeus, 1758)...
Pedicularia ciliai n. sp., a small-sized member of the Pediculariidae from Ascension Island, is described based on its morphological features. The new taxon is compared to similar species of the same genus Pedicularia found in the Atlantic Ocean.
Three new species of the family Rissoidae from Ascension Island are described on the basis of morphological features: Crisilla juliencillisi sp. nov, Crisilla yvessamyni sp. nov. and Setia soniacrabbeae sp. nov. The new taxa are compared to similar species from the genera from the Western Atlantic Ocean.
Four new species of the family Cerithiopsidae from Ascension Island are described on the basis of morphological features; Cerithiopsis annaleabeardae n.sp., Cerithiopsis paglii n.sp., Cerithiopsis pellegrinii n. sp. and Cerithiopsis rhyshobbsi n.sp. The new taxa are compared with similar species of the genus from Lusitanic area and the Western Atla...
he Triphoridae (Gastropoda: Caenogastropoda: Triphoroidea) of the islands of Saint Helena and Ascension have not been thoroughly studied since the first records of this
family were made by Edgar Albert Smith in 1890. Since then only five species of Triphora have been known from Saint Helena and since 1975 only a single species from Ascension
Isla...
This study focussed on species in the genus Fusceulima Laseron, 1955, which were collected in the NE Atlantic. 11 species are identified in the study area of which three are hereby described as new to science: Fusceulima digitalis n. sp. from the Galicia Bank and Fusceulima keppensi n. sp. and Fusceulima robini n. sp. from the Josephine Bank.
CONCH...
A beautiful species collected in the Cape Verde Archipelago, along the shelf between Boavista and Maio, is described as Euthria fiadeiroi sp. nov. and compared with Euthria abrotona Fraussen & Rolán, 2003, Euthria amorimi Fraussen, 2004 and Euthria vandai Rolán & Monteiro, 2007.
The analysis of shell grit samples taken between 0 and 50 m from Faial, Pico and
São Miguel revealed the presence of seven not yet reported marine species of molluscs from the Azores Archipelago, four gastropods species [Caecum swinneni Nofroni, Pizzini & Oliverio, 1997 (Caecidae), Granulina cf. canariensis Boyer, 2001 (Marginellidae), Mitromorpha...
Americardia lindamaesae spec. nov. (Cardiidae) is described from Ascension Island, based on new collections. It is compared with the related Americardia media (Linnaeus, 1758), A. lightbourni Lee & Huber, 2012, A. columbella Lee & Huber, 2012 and A. speciosa (A. Adams & Reeve, 1850).
Brachiopods collected from the Selvagens Islands are important elements of the biodiversity developed in this well delimited portion of the eastern Atlantic. Species from deep water are not easily accessible and the use of a remotely operated vehicle was an exceptional opportunity for investigating the brachiopod fauna of the mid-part of the slope...
All known Euthria species from the Cape Verde Islands are reviewed. Special attention is given to comperative characteristics for a better understanding of the systematics within the group. The spiral sculpture on the upper spire whorls and the shape of the subsutural slope in combination with protoconch morphology serve to distinguish species, whi...
The sea anemone Telmatactis forskalii, the zoanthid Isaurus tuberculatus, the nemertine Baseodiscus delineatus, the echinoderms Ophiocoma wendtii and Mithrodia clavigera, the molluscs Colubraria canariensis, Glyphepithema turtoni, Tonna pennata, Trivia candidula, Melanella eburnea, Melanella n.sp., Echineulima leucophaes, Stylocheilus striatus, Lim...
In Europe, the genus Pelseneeria Koehler & Vaney, 1908 includes five species, all ectoparasites of regular sea urchins. Three are living
in deep waters (Azores) and two are living in more shallow waters. Information in the literature concerning Pelseneeria stylifera
(Turton, 1825) from the North Atlantic area and Pelseneeria minor Koehler & Vaney,...
Fusinus stanyi sp. nov. from West Africa is described, and compared with Fusinus zebrinus Odhner, 1923.