Micronycteris (Leuconycteris) schmidtorum Sanborn 1935
Creators: name: Siles, Lizette
name: Baker, Robert J.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Chiroptera
Phyllostomidae
Micronycteris
Micronycteris schmidtorum

description: <i>Micronycteris (Leuconycteris) schmidtorum Sanborn, 1935</i> <i>Micronycteris schmidtorum Sanborn, 1935:81.</i> <i>Micronycteris (Micronycteris) schmidtorum Sanborn, 1949:220.</i> <i>M. (Schizonycteris) schmidtorum Porter et al., 2007:1212 (based on a misidentified specimen</i>). <i>Holotype</i> Field Museum of Natural History Voucher FMNH 41559. Adult male. Collected December 18, 1933, by F. J. W. Schmidt. Original number 4070. <i>Type locality</i> Bobos, Izabal, Guatemala. <i>Distribution</i> Localities confirmed or added in this study are marked with an asterisk* (Figure 1, Table S1). Southern Mexico (Escobedo-Cabrera, LeonPaniagua, &amp; Arroyo-Cabrales, 2006), Belize: Toledo *, Corozal, and Orange Walk (Simmons, 1996); Guatemala: Izabal * and Santa Rosa *; Honduras: Copan (Simmons, 1996); Nicaragua: Rivas *; Costa Rica: Heredia *; Panama: Los Santos *; Ecuador: Esmeraldas *; Colombia: Vichada (Simmons, 1996); Venezuela: Amazonas *, Falcon *, and Lara *; Trinidad and Tobago: Trinidad *; French Guiana: Cayenne*; Peru: Madre de Dios (Simmons, 1996); Brazil: Pernambuco *, Pará (Simmons, 1996), Amazonas, Amapá, Bahia, Ceará, Minas Gerais, and Tocantins (Nogueira, Peracchi, &amp; Moratelli, 2007), Alagoas, Paraíba, and Sergipe (da Rocha et al., 2017). Published records from Bolivia were based on a misidentified specimen (MSB 235221) that we determined as <i>M. minuta</i> (Table S1), and on an unvouchered record that we consider invalid, therefore <i>M. schmidtorum</i> is not distributed in Bolivia (Aguirre et al., 2019). Sampaio, Lim, and Peters (2016) list El Salvador within the species range, but there are no specimens or published records from this country (Owen &amp; Girón, 2012; Rodríguez &amp; Sánchez, 2015). Museum voucher TTU 103880 from Honduras was listed as <i>M. schmidtorum</i> (Table S1), but we determined it was <i>M. tresamici</i> sp. nov. <i>Emended diagnosis</i> Ventral fur is paler than dorsal fur (gray or buff). Skull and dentition in general are more robust than other pale-bellied species, which is evident in multivariate morphometric analyses. Mastoid breadth is shorter than ZB (Appendix 1). Rostrum is triangular and not inflated in the region over the premolars and molars. Postorbital constriction is narrow relative to rostrum and cranium. Sagittal crest is low and present over the parietals (Sanborn, 1935) and sometimes over the frontals. Cranium is tall in relation to the rostrum forming an angle of 30° to 35°. Palatine bones are long with a convergent or round end anteriorly and the sutura palatomaxillaris located between M1 and M2, or the middle of M1. Lower incisors are hypsodont and bi or trilobed. In lateral view, P3 and P4 are equal in size, or P3 slightly shorter than P4. In occlusal view, P3 is ovoid and smaller than P4, which is triangular. Lower premolars are all robust, p2 and p4 similar in size, and p3 is slightly smaller or ~ 3/4 of p2 (p2≈p4&gt; p3) (Sanborn, 1935). Cranial characters are shown in Figure 5. <i>Micronycteris schmidtorum</i> also can be distinguished from its congeners based on DNA sequence data.Maternal (<i>cytochrome -b</i>), nuclear (<i>Fgb</i> -I7), and paternal (Y-chromosome <i>DBY5</i> and <i>DBY7</i>) sequences position <i>M. schmidtorum</i> in a clade that is divergent and strongly supported from other members of the genus studied thus far. <i>Comments</i> We recommend the use of cranial characters to confirm species identification (Figure 5). An external character commonly used to identify <i>M. schmidtorum</i> is length of calcar larger than the foot (Sanborn, 1935), but several authors determined it was not a reliable diagnostic character (Feijó, da Rocha, &amp; Ferrari, 2015; Santos, Nogueira, da Cunha, da Cunha Carvalho, &amp; Fischer, 2010; Siles et al., 2013).
description: Published as part of <i>Siles, Lizette &amp; Baker, Robert J., 2020, Revision of the pale-bellied Micronycteris Gray, 1866 (Chiroptera, Phyllostomidae) with descriptions of two new species, pp. 1411-1431 in Journal of Zoological Systematics and Evolutionary Research 58 (4)</i> on page 11, DOI: 10.1111/jzs.12388, http://zenodo.org/record/4448084
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