Erythrolamprus macrosomus

distribution

Distribution. Known from Argentina, Brazil, and Paraguay (Plt. 376 A). Widespread in the Cerrado and the southern portion of the Atlantic Forest, with marginal records in Chaco and Araucaria Forest (Plt. 376 A), mostly at intermediate to high elevations (Plt. 376 B). Previous map and taxonomy in Ascenso et al. (2019). Observed in the field savanna, in forest, dry forest and gallery forest (Valdujo et al., 2009; Morais et al., 2011; Almeida-Gomes et al., 2014).

Atlas of Brazilian Snakes: Verified Point-Locality Maps to Mitigate the Wallacean Shortfall in a Megadiverse Snake Fauna

materials_examined

Type locality. Cana Brava, MinaÇu, state of Goiás, Brazil, according to Ascenso et al. (2019). Corrected to Cana Brava, near Rio São Domingos, currently in Nova Roma municipality, Paranã River valley, based on the itinerary and toponyms in the original description.

Atlas of Brazilian Snakes: Verified Point-Locality Maps to Mitigate the Wallacean Shortfall in a Megadiverse Snake Fauna

description

Description of a topotype. Adult female, MCP 13063 (Fig. 4 A); Body cylindrical; SVL 557 mm, CL 196 mm (35.2 % SVL); head length 22.2 mm, height 7.8 mm, and width 11.3 mm; diameter of ocular orbit 3.9 mm; distance between orbit and rostral shield 5.2 mm; rostral triangular, 4.0 mm wide and 2.8 mm high, visible in dorsal view; internasals two, 1.9 mm length, and 1.7 mm wide; prefrontals two, 2.7 mm length, and 2.7 mm wide, in contact with supraoculars, preocular, loreal, and postnasal; frontal pentagonal, 5.6 mm length, and 3.8 mm wide; parietals two, 6.8 mm length, and 4.1 mm wide; supralabials eight, second and third contacting loreal, fourth to fifth contacting eye, and sixth and seventh higher than the remaining supralabials; supraoculars longer than wide; nasal in contact with first two supralabials, internasals, prefrontals, loreal, and rostral; loreal tetragonal, 1.4 mm length and 2.1 mm high, contacting second and third supralabials, postnasal, prefrontals, and preocular; preocular contacting supraocular, prefrontal, nasal, third and fourth supralabials; postoculars two, upper postocular higher than lower; temporals 1 + 2, anterior longer than upper posterior temporal; symph

Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)

description

IBSP 9606, lost at the fire accident on the Instituto Butantan. Leimadophis regina macrosoma — Hoge 1958; Mem. Inst. Butantan: 69. Liophis reginae macrostoma — Dixon 1980; Milwaukee Publ. Mus. 31: 24. Liophis reginae macrosomus — Dixon 1983 a; Ann. Carnegie. Mus. 52: 3. Erythrolamprus reginae macrosomus — Grazziotin et al. 2012; Cladistics. 1: 21. Liophis reginae — Wallach et al. 2014; Snakes of the World: 393. Syntypes. Four specimens, IBSP 9130 – 33, collected at Cana Brava, Minaçu, Goiás, Brazil. All type were lost at the fire accident in the Instituto Butantan.

Taxonomic revision of the Erythrolamprus reginae species group, with description of a new species from Guiana Shield (Serpentes: Xenodontinae)