Dibernardia poecilopogon (COPE, 1863)
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Dibernardia poecilopogon
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| Higher Taxa | Colubridae (Dipsadinae, Echinantherini), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Portuguese: Corredeira-de-Barriga-Vermelha, Corredeira-do-Mato-de-Barriga-Vermelha |
| Synonym | Rhadinaea poecilopogon COPE 1863: 100 Dromicus affinis GÜNTHER 1858 (part.) Dromicus melanocephalus PETERS 1863 Enicognathus elegans — JAN 1866 Coronella poecilopogon — BOULENGER 1885 Rhadinaea poecilopogon — BOULENGER 1894 (2): 173 Liophis poecilopogon — AMARAL 1930 Rhadinaea poecilopogon — PETERS & OREJAS-MIRANDA 1970 Rhadinaea poecilopogon — MYERS 1974: 215 Rhadinaea poecilopogon — FREIBERG 1982: 75 Echinantera poecilopogon — GIRAUDO & SCROCCHI 2002 Taeniophallus poecilopogon — MYERS & CADLE 1994 Rhadinaea poecilopogon — BAUER et al. 1995: 71 Taeniophallus poecilopogon — SCHARGEL et al. 2005 Taeniophallus poecilopogon — WALLACH et al. 2014: 697 Taeniophallus poecilopogon — NOGUEIRA et al. 2019 |
| Distribution | S Brazil (Rio de Janeiro, S Minas Gerais, Sao Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Uruguay, Argentina (Corrientes, Entre Rios, Misiones) Type locality: Paysandú, Uruguay. |
| Reproduction | oviparous |
| Types | Holotype: USNM 31278 |
| Diagnosis | Diagnosis: MYERS 1974: 215 Original description: Slender; head distinct elongate, convex; muzzle elongate, narrowly rounded. Scales narrow, in seventeen longitudinal rows. Tail more than one fourth of the total length. Superior head-plates normal, elongate, especially the vertical, which has straight outlines. Loreal nearly equilateral, encroaching on the single preocular, which does not reach the vertical. Two postoculars, superior larger; one temporal between fifth and sixth superior labials and occipital. Seven superior labials, eye cover third and fourth; postgeneials longer than pregeneials; nine inferior labials, fifth largest. Total length 39.66”, tail 10.66'' (Cope 1863: 100). Coloration: Above olivaceous brown, each scale of the vertebral series with a black centre. End of gastrosteges and lateral scales to the edge of the fourth row, dark slate; a streak across the rostral plate through loreal "nd temporal region, and spreading in the posterior lower labials of the same color, yellow bordered above. Labials, mental and gular regions yellow, with blackish spots and vermiculations. A blackish spot on each end of every gastrostege anteriorly; posteriorly they become confluent with those of the sides. Abdomen yellow, immaculate (Cope 1863: 100). |
| Comment | belongs to the “Rhadinaea brevirostris group” sensu Myers (1974). |
| Etymology | Named after Greek poikilos = colorful, spotted, divergent, and Greek pogon = tail, for the somehow unusually colored tail. |
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