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Photograph of an adult female Platyrrhinus guianensis captured at Bakhuis, Sipaliwini, Suriname on 31 January 2006 (ROM 117503). Photograph by Alex Borisenko. 

Photograph of an adult female Platyrrhinus guianensis captured at Bakhuis, Sipaliwini, Suriname on 31 January 2006 (ROM 117503). Photograph by Alex Borisenko. 

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A new species of broad-nosed bat Platyrrhinus Saussure, 1860 (Chiroptera: Phyllostomidae: Stenodermatinae) from the Guianan Shield is described based on molecular and morphological data. Previously confused with P. helleri and P. recifinus, the new taxon is currently known from only Guyana and Suriname and is most closely related to P. recifinus fr...

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... Platyrrhinus guianensis is a small Platyrrhinus (FA 37-41 mm) distinguished from its sister species P. recifinus by its smaller size and shorter skull ( pinnae bright yellow (Fig. 4); lateral borders of the proximal half of the noseleaf and borders of the horseshoe yellow; inferior border of the horseshoe completely free of upper lip; posterior margin of uropatagium has the shape of an inverted 'U'; hair on upper surface of feet brown, long and dense (Fig. 5); fringe of hair along the trailing margin of uropatagium ...

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... One of the 25 species (Platyrrhinus angustirostris) was not present in the phylogeny and was replaced by its closest congener (P. incarum) (Velazco & Lim, 2014). This supertree covered most of the species in the Llanos and was pruned to obtain the local phylogeny (R package 'picante'; Kembel et al., 2010) and the respective pairwise phylogenetic distances using the 'cophenetic.phylo' ...
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... One of the 20 phyllostomid species (Platyrrhinus angustirostris) was not present in the phylogeny and was replaced by its closest congener (P. incarum) (Velazco and Lim 2014). The supertree was pruned to obtain the local phylogeny (R package 'picante', Kembel et al. 2010) and the pairwise phylogenetic distances ('cophenetic.phylo' ...
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... The Neotropical bat genus Platyrrhinus Saussure, 1860 is one of the most specious phyllostomid genus (Palacios-Mosquera et al. 2020). Nineteen species are currently recognized in this genus distributed from southern Mexico to northern Argentina (Gardner 2008;Palacios-Mosquera et al. 2020;Velazco and Lim 2014;Velazco et al. 2018). Out of the 19 recognized species, eight occur in Brazil: Platyrrhinus angustirostris Velazco et al., 2010, Platyrrhinus aurarius (Handley andFerris, 1972), Platyrrhinus brachycephalus (Rouk and Carter, 1972), Platyrrhinus fusciventris Velazco et al., 2010, Platyrrhinus incarum (Thomas, 1912, Platyrrhinus infuscus (Peters, 1880), Platyrrhinus lineatus (É. ...
... Out of the 19 recognized species, eight occur in Brazil: Platyrrhinus angustirostris Velazco et al., 2010, Platyrrhinus aurarius (Handley andFerris, 1972), Platyrrhinus brachycephalus (Rouk and Carter, 1972), Platyrrhinus fusciventris Velazco et al., 2010, Platyrrhinus incarum (Thomas, 1912, Platyrrhinus infuscus (Peters, 1880), Platyrrhinus lineatus (É. Geoffroy, 1810), and Platyrrhinus recifinus (Thomas, 1901) (Garbino et al. 2022;Rocha et al. 2018;Velazco and Gardner 2009;Velazco and Lim 2014;Velazco et al. 2018). Of these, P. angustirostris, P. brachycephalus, P. fusciventris and P. incarum occur in sympatry at Brazilian Amazon. ...
... Platyrrhinus guianensis is endemic of Guiana Region of South America (that include Guyana, Suriname, French Guiana), and the southeastern states of Venezuela (Amazonas, Bolivar, and Delta Amacuro) (Lim 2012; Velazco and Lim 2014), known from Guyana and Suriname (Figure 1; Velazco and Lim 2014). Before its description, P. guianensis was considered the northernmost and allopatric population of P. recifinus (Tavares and Velazco 2010). ...
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Platyrrhinus guianensis is bat with a distribution restricted to the Guiana Region of South America in Guyana and Suriname. Herein, we report the southernmost record of this species, extending its distribution to Brazil in Brazilian Amazon. Our record indicates that the species have a larger geographical range that previously thought. Platyrrhinus guianensis occurs in sympatry with Platyrrhinus brachycephalus, Platyrrhinus incarum, and Platyrrhinus fusciventris in the Brazilian Amazon, and can be confused with these species, raising the possibility that there might be other specimens of Platyrrhinus guianensis misidentified as other species in scientific collections.
... The Neotropical bat genus Platyrrhinus is one of the most speciose phyllostomid genera (Simmons and Cirranello 2022). Members of the genus, also known as broad-nosed bats, are widely distributed from Mexico to northern Argentina, with most species found in the Andes region (Velazco and Patterson 2008;Velazco and Gardner 2009;Velazco and Lim 2014;Velazco et al. 2018;Palacios-Mosquera et al. 2020). Over the past two decades, numerous taxonomic changes have been made within the genus, and only since 2005, recognized diversity increased from ten to nineteen species, nearly doubling the number of taxa (Simmons 2005;Simmons and Cirranello 2022;Velazco 2005;Velazco and Gardner 2009;Velazco and Lim 2014;Velazco et al. 2018;Palacios-Mosquera et al. 2020). ...
... Members of the genus, also known as broad-nosed bats, are widely distributed from Mexico to northern Argentina, with most species found in the Andes region (Velazco and Patterson 2008;Velazco and Gardner 2009;Velazco and Lim 2014;Velazco et al. 2018;Palacios-Mosquera et al. 2020). Over the past two decades, numerous taxonomic changes have been made within the genus, and only since 2005, recognized diversity increased from ten to nineteen species, nearly doubling the number of taxa (Simmons 2005;Simmons and Cirranello 2022;Velazco 2005;Velazco and Gardner 2009;Velazco and Lim 2014;Velazco et al. 2018;Palacios-Mosquera et al. 2020). Simmons (2005) recognized subspecies in three Platyrrhinus species (e. g., helleri [helleri and incarum], lineatus [lineatus and nigellus], and umbratus [aquilus, oratus, and umbratus]). ...
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... Lophostoma sp.). We also considered Platyrrhinus angustirostris, P. fusciventris, P. guianensis, P. incarum, P. infuscus and P. helleri as Platyrrhinus spp., because the first five species were recognised as P. helleri until 2010 (Velazco et al., 2010;Velazco & Lim, 2014). ...
... Lonchophyllinae, respectively, as this represents the most basal division within the branch of these genera. For Platyrrhinus spp., we considered the phylogenetic data for Platyrrhinus brachycephalus, one of the most basal species within that genus (Velazco & Lim, 2014). ...
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... The genus Platyrrhinus is a widely distributed Neotropical genus that includes 19 currently recognized species (Palacios-Mosquera et al., 2020). Species of Platyrrhinus can be distinguished from other stenodermatines by the following combination of characteristics: presence of a fringe of hair along the trailing margin of the uropatagium; facial and dorsal stripes present; rostrum approximately as wide as, and almost as long as the braincase; large inner upper incisors that are convergent at the tips; upper outer incisors bifid, less than half the length of inner incisors; two accessory cusps on the posterior face of the second upper premolar; and presence of three upper and lower molars (Gardner, 2008f;Velazco and Lim, 2014). Velazco andGardner (2009) andVelazco et al. (2010a) provided key to the species of Platyrrhinus based on external and craniodental characters. ...
... Identification: Platyrrhinus angustirostris can be distinguished from conspecific species by the following characteristics: long, dense fur on dorsal surface of feet; U-shaped posterior margin of uropatagium; metacarpal V shorter than metacarpal III; fossa on the squamosal root of the zygomatic arch shallow; three cuspules on posterior cristid of the second upper premolar; M1 protocone well developed; stylar cuspule absent on lingual face of M2 paracone; and m2 hypoconid absent (Velazco et al., 2010a). Descriptions and measurements of P. angustiros tris were provided by Velazco et al. (2010a) and Velazco and Lim (2014). No subspecies are currently recognized (Velazco et al., 2010a). ...
... It can be distinguished from other congeneric species by the following characteristics: small size (forearm <42 mm), U-shaped notch in posterior margin of uropatagium, outline of lateral margin of pterygoid process narrowly concave (small and c-shaped) in posterior view, and anterolingual cristid of the second lower premolar bearing two well-developed accessory cuspulids (Velazco, 2005;Velazco et al., 2010a;López-Baucells et al., 2018). Descriptions and measurements of P. brachycephalus were provided by Rouk and Carter (1972), Swanepoel and Genoways (1979), Williams and Genoways (1980a), Brosset and Charles-Dominique (1990), Velazco (2005), Velazco et al. (2010a), and Velazco and Lim (2014). Two subspecies are currently recognized: P. b. brachycephalus (Colombia, Ecuador, Peru, Brazil, and Bolivia) and P. b. saccharus (northeastern Venezuela and the Guianas) (Gardner, 2008f). ...
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... Only 6 new species (8%) were described based on these four main sources of data (Taylor et al. 2011;Quintela et al. 2014Quintela et al. , 2017, while the most common combinations were molecular, qualitative anatomy and morphometrics (36%) or anatomy and morphometrics (14%). Most molecular studies employed a single mitochondrial marker (cytochrome b -only molecular analyses were performed in 34% of studies), and only a few studies used mitochondrial and nuclear multi locus analyses (Velazco & Lim 2014;Rowe et al. 2014;Travouillon & Phillips 2018). Interestingly, only two studies performed phylogenetic analysis of morphological data, and no study employed coalescent or species delimitation methods. ...
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Chapter
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