Micronycteris (Schizonycteris) Porter, Hoofer, Cline, Hoffman, &amp; Baker 2007
Creators: name: Siles, Lizette
name: Baker, Robert J.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Mammalia
Chiroptera
Phyllostomidae
Micronycteris

description: <b>Subgenus <i>Schizonycteris</i> Porter, Hoofer, Cline, Hoffman, &amp; Baker, 2007</b> <i>Type species</i> <i>Schizostoma minutum</i> Gervais, 1856. <i>Type locality</i> Brazil, Bahia, Capela Nova. <i>Included species</i> <i>Micronycteris</i> (<i>S.</i>) <i>minuta</i> (Porter et al., 2007), <i>M.</i> (<i>S.</i>) <i>sanborni</i> (Porter et al., 2007; Siles et al., 2013), <i>M.</i> (<i>S.</i>) <i>yatesi</i> (Siles et al., 2013), <i>M.</i> (<i>S.</i>) <i>simmonsae</i> sp. nov., and <i>M.</i> (<i>S.</i>) <i>tresamici</i> sp. nov. (Table 1). <i>Emended diagnosis</i> Overall size is small (weight 5–9.3 g; forearm 31.8–37 mm).Pinnae connected by a moderate to high interauricular membrane with moderate to deep midline notch, dividing the membrane into two triangular flaps. Ventral fur is paler than dorsal fur (gray, buff, or white). Second and first phalanxes of wing digit IV are subequal. Relationship between mastoid and ZBs is variable (Appendix 1). Cranium is not tall in lateral view, 25° or less in relation to the rostrum. Lower incisors brachydont. In lateral view, P4 can be taller or equal than P 3 in size; and p2 is the largest lower premolar (similar height and width),followed by p4 (length&gt; width), and p3 is the smallest (p2&gt; p4&gt;p3). Coronoid process is low, and the upper margin of the ascending process has a shallow slope (&lt;18°). Emended diagnosis based on Simmons and Voss (1998) and Porter et al. (2007). Karyotype is identical in <i>M. minuta</i> (Baker,1979), <i>M. minuta</i> NSA, <i>M. sanborni</i> (Simmons,1996), <i>M. simmonsae</i> sp. nov. and <i>M. tresamici</i> sp. nov.: 2n = 28 and FN = 50 (Figure 4). <i>Comments</i> <i>Micronycteris homezorum</i> (type locality Zulia, Venezuela) and <i>M. hypoleuca</i> (type locality Santa Marta, Colombia) are regarded as synonyms of <i>M.</i> (<i>S.</i>) <i>minuta</i> (Ochoa &amp; Sánchez, 2005; Porter et al., 2007; this study) and probably belong to the <i>M. minuta</i> clade distributed in northern South America. If more data confirm this clade as a distinct species from <i>M.</i> (<i>S.</i>) <i>minuta</i> (type locality Bahia, Brazil), then <i>M. hypoleuca</i> Allen 1900 would be the valid name and <i>M. homezorum</i> Pirlot, 1967 its junior synonym. Porter et al. (2007) included <i>M.schmidtorum</i> in this subgenus but we reassigned it to <i>Leuconycteris</i>. <i>Schizonycteris</i> is sister to the clade formed by the other three subgenera (<i>Xenoctenes</i>, <i>Leuconycteris</i>, and <i>Micronycteris</i>).
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 pages 11-12, DOI: 10.1111/jzs.12388, http://zenodo.org/record/4448084
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