Diagnosis | Diagnosis: Atractus paraguayensis is distinguished from all congeners by the combination of the following characters: (1) 15/15/15 smooth dorsal scale rows; (2) usually two postoculars; (3) moderate loreal; (4) temporals 1+2; (5) seven supralabials, third and fourth contacting orbit; (6) usually seven infralabials, first four contacting chinshields; (7) eight or nine maxillary teeth; (8) usually three gular scale rows; (10) 147–167 ventrals in females, 136–162 in males; (11) 19–29 subcaudals in females, 21–33 in males; (12) dorsum beige with black paravertebral blotches, a single vertebral line, or both; (13) venter immaculate creamish white; (14) moderate body size, females reaching 490 mm SVL, males 375 mm SVL; (15) tail moderate in females (9.3– 14.8% SVL), moderate to long (12.7–18.1 % SVL) in males; (16) slightly bilobed, semicapitate, and semicalyculate hemipenis [from PASSOS et al. 2010]. |
References |
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