Phalotris reticulatus (PETERS, 1860)
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Phalotris reticulatus
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Portuguese: Cabeça-Preta-Serrana, Coralina |
| Synonym | Elapomorphus reticulatus PETERS 1860: 518 Phalotris reticulatus — COPE 1862: 524 Elapomorphus reticulatus — STRAUCH 1884: 569 Phalotris reticulatus — FERRAREZZI 1993: 213 Phalotris reticulatus — GIRAUDO & SCROCCHI 2002: 30 Phalotris reticulatus — WALLACH et al. 2014: 537 Phalotris reticulatus — NOGUEIRA et al. 2019 |
| Distribution | S Brazil (Minas Gerais, São Paulo) Type locality: “Brasilien” |
| Reproduction | |
| Types | Holotype: ZMB 3811 |
| Diagnosis | Diagnosis: Phalotris reticulatus can be distinguished from other species of the group by unique combination of the following characters: head dorsally almost totally black, with lighter snout, and a notable white dot on 3rd–4th supralabials (this last character is unique within the P. bilineatus group), and ventrally almost white (vs. black in P. illustrator and P. spegazzinii); white nuchal collar present and reaching ventral scales (2–3 dorsal scales width), followed by a black ring (1–3 scale width) (vs. nuchal collar absent in P. bilineatus, P. illustrator and P. spegazzinii); venter almost totally black, each ventral scale black with thin whitish free posterior border (vs. venter white or with black blotches in all other species); vertebral black stripe can be from very noticeable to almost faded and runs over the vertebral and the inner half of paravertebral dorsal scales. The stripe is formed by irregular dots over each scale and could fade after fixation. On both sides of the vertebral stripe, there is a reddish stripe two dorsal scales wide. The sides of the body, from the reddish stripes to the venter, almost black, where each scale is black with a thin withe posterior border resulting in a reticulated lateral pattern in general view; black in P. spegazzinii and P. illustrator and a narrow lateral black stripe in others species); cloacal black ring present (vs. absent in P. multipunctatus); rostral well separated from the prefrontal (vs. rostral contacting the prefrontal or slightly separated in P. bilineatus). (Scrocchi et al. 2022). |
| Comment | Distribution: See map in Scorcchi et al. 2002: 51 (Fig. 3). |
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