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Map showing the distribution of species known only by the type locality. A. Dipodomys gravipes (1), Peromyscus pembertoni (2), Oryzomys peninsulae (3), Peromyscus mekisturus (4), Tylomys tumbalensis and Sorex stizodon (5), Tylomys bullaris (6) and Sorex sclateri (7). The current distribution of Ateles geoffroyi is shown in light gray; the boxes with the letter A, B and C mark the records outside its known range, the letter D marks a possible distribution and the letters E and F show records from the known range. The current distribution of Tlacuatzin sinaloe is shown in dark gray; the box with the letter L marks the record outside its known range and the letter M shows a record from the known range. B. The current distribution of Cryptois mayensis is shown in dark gray; the boxes with the letter G marks the record outside its known range and the letters H and I show records from the known range. The current distribution of Pteronotus dayvi is shown in light grey; the box with the letter J marks the record outside its known range and the letter K show a record from the known range.

Map showing the distribution of species known only by the type locality. A. Dipodomys gravipes (1), Peromyscus pembertoni (2), Oryzomys peninsulae (3), Peromyscus mekisturus (4), Tylomys tumbalensis and Sorex stizodon (5), Tylomys bullaris (6) and Sorex sclateri (7). The current distribution of Ateles geoffroyi is shown in light gray; the boxes with the letter A, B and C mark the records outside its known range, the letter D marks a possible distribution and the letters E and F show records from the known range. The current distribution of Tlacuatzin sinaloe is shown in dark gray; the box with the letter L marks the record outside its known range and the letter M shows a record from the known range. B. The current distribution of Cryptois mayensis is shown in dark gray; the boxes with the letter G marks the record outside its known range and the letters H and I show records from the known range. The current distribution of Pteronotus dayvi is shown in light grey; the box with the letter J marks the record outside its known range and the letter K show a record from the known range.

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The species records are key to determine their distribution. In México, there are records located up to more 200 km outside the known range of Ateles geoffroyi, Cryptotis mayensis, Pteronotus davyi and Tlacuatzin sinaloae. Other species were captured in their type locality but have not been recorded again over up to 100 years: Dipodomys gravipes, O...

Contexts in source publication

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... geoffroyi was reported by sightings in two states outside its known distribution. In the state of Jalisco, a group of five individuals was observed on the road to Bahía de Navidad (currently Barra de Navidad; Figure 1A) in a tropical forest with Ficus sp. vegetation (Villa 1958). ...
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... mayensis were recorded from remains (parts of skulls and mandibles) found in pellets of T. alba collected on 9 September 1969 (López-Forment and Urbano 1977; Figure 1B), deposited in the Colección Nacional de Mamíferos of the Instituto de Biología at Universidad Nacional Autónoma de México (CNMA 11031-11043 and 12666-12692;Choate 1970;Ramírez-Pulido and Sánchez- Hernández 1972;Carraway 2007). The survey in VertNet and IBData yielded no records of C. mayensis in the state of Guerrero, with La Tuxpeña, Campeche, being the nearest locality at 1,013 km in a straight line (Table 1); however, this implies transiting through habitats that are not typical of the species. ...
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... analysis of specimens deposited in collections yielded 5,274 records from the databases of 37 national and international scientific collections corresponding to the genus Pteronotus from across its distribution; no other record for the Baja California peninsula of any of the four species of the genus distributed in México was found. The record of Pteronotus davyi that is closest to Baja California Sur is La Chinacatera, Sinaloa, located on the other side of the Gulf of California in the continental portion of México located 232 km away in a straight line ( Figure 1B; Table 1). In the state of Sinaloa, 289 specimens of Pteronotus have been recorded. ...
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... between the mammal species records outside their known distribution range and the closest records inside their known distribution range. Localities are in regerences to Figure 1 Therya Advance Access published June 8, 2021 considering that this species reaches its northernmost distribution on the western coast. " According to the distribution, the only species in the Marmosa complex is T. sinaloe, distributed along the Pacific coast from its border of Jalisco with Nayarit to Álamos, Sonora ( Figure 1A). ...
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... are in regerences to Figure 1 Therya Advance Access published June 8, 2021 considering that this species reaches its northernmost distribution on the western coast. " According to the distribution, the only species in the Marmosa complex is T. sinaloe, distributed along the Pacific coast from its border of Jalisco with Nayarit to Álamos, Sonora ( Figure 1A). Álamos is the known locality of Tlacuatzin that is closest in straight-line to the Baja California Sur record, 393 km apart (Table 1), on the other side of the Gulf of California, which at this point has a width of 220 km. ...
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... records. Dipodomys gravipes was described from a locality 3 km west of Misión de Santo Domingo, Baja California (Huey 1925; Figure 1A) and is known only from the San Telmo plains to El Rosario de San Quintín, in the eastern portion of the Baja California peninsula, associated with desert coastal shrub vegetation in relatively flat areas with deep soils (Best 1983;Best and Lackey 1985;Patton and Álvarez-Castañeda 1999). When Huey (1925) collected the original specimen, there were two large colonies in the collection area and these were considered abundant until 1972, when the area started to be cleared for agriculture (Best 1983;Best and Lackey 1985). ...
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... peninsulae is described from six specimens from Santa Anita, Baja California Sur (Thomas 1897; Fig- ure 1A); it was last recorded in 1906 by Goldman (1951) in Santa Anita and San José del Cabo, Baja California Sur. Nelson (1922) considers that it is an introduced species that should be considered as O. couesi. ...
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... mekisturus has its type locality in Ciudad Serdán (Chalchicomula), Puebla, documented by Merriam (1898; Figure 1A) from a single specimen. Later, another specimen collected at Tehuacán, Puebla was identified as P. mekisturus (Hooper 1947); however, this second specimen may instead correspond to P. melanophrys, according to the analysis of Castañeda-Rico et al. (2014), where it is mentioned that this specimen was previously considered a member of the melanophrys species group (Hooper 1968;Hall 1981;Carleton 1989). ...
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... Figure 1A). Subsequently, Lawlor (1983) sampled the island and captured P. boylii glasselli organisms but no P. pembertoni. ...
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... type locality of the shrew Sorex sclateri in Tumbalá and San Antonio Buenavista, Chiapas, is known only from the specimens used in their original description (Merriam 1897; Carraway 2007; Figure 1A). S. sclateri is a unique species due to its large size relative to species of the genus Sorex, so it is easy to distinguish by a specialist. ...
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... stizodon is described from a specimen collected in what is now the Huitepec Ecological Reserve, Chiapas, located on the outskirts of the city of San Cristobal de las Casas ( Figure 1A). S. cristobalensis is also found within the range of S. stizodon (Jackson 1925;Matson and Ordóñez- Garza 2017). ...
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... bullaris is known from a single specimen collected at the Tuxtla Gutiérrez region, Chiapas (Merriam 1901; Figure 1A). Some authors have considered that this specimen is actually a juvenile of T. nudicaudus (Hall 1981; Espinoza and Martínez 2009), although it has very enlarged auditory bullae that allow its easy differentiation. ...
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... tumbalensis has been recorded only from Tumbalá, Chiapas, with a single specimen that is a sub-adult male (Merriam 1901; Figure 1A). Some authors have considered that this specimen is actually a juvenile of T. nudicaudus (Hall 1981;Espi- noza and Martínez 2009). ...