Geophis sanniolus (COPE, 1866)
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Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | Geophis sanniolus neilli (HENDERSON, HOEVERS & WILSON 1977) Geophis sanniolus sanniolus (COPE 1866) |
Common Names | E: Pigmy Snail Sucker S: Caracolera Pigmea |
Synonym | Mesopeltis sanniolus COPE 1866: 318 Leptognathus sanniola — BOCOURT 1908 Sibynomorphus sanniola — SCHMIDT & ANDREWS 1936 Sibynomorphus sanniolus — GAIGE 1936 Sibon neilli HENDERSON, HOEVERS & WILSON 1977 Sibon sanniola — LEE 2000: 329 Sibon sanniolus — LINER 1994 Sibon sanniola — CAMPBELL 1998 Sibon sanniolus — MCCRANIE 2006 Sibon sanniolus — WALLACH et al. 2014: 669 Sibon sanniola — HEIMES 2016: 309 Geophis sanniolus — GRÜNWALD et al. 2021 Sibon sanniolus neilli HENDERSON, HOEVERS & WILSON 1977 Sibon neilli HENDERSON, HOEVERS & WILSON 1977 Sibon sanniola neilli — LEE 2000: 330 Sibon sanniola neilli — STAFFORD 2000: 239 |
Distribution | Mexico (Yucatan, Campeche, Quintana Roo), Belize, Guatemala Type locality: Yucatan neilli: Belize; Type locality: vicinity of Belize City, Belize District, Belize, |
Reproduction | oviparous |
Types | Holotype: USNM 6564, male, from Yucatan. Holotype: MPM 8929 (Milwaukee Public Museum), a male, collected July 1974 by Ernest Smith. [neilli] |
Diagnosis | Diagnosis: S. neilli differs from all other Sibon, except S. sanniola, in not having the loreal enter the orbit and in the high number of supralabials. It differs from male S.sanniola in having a slightly higher number of ventrals and subcaudals and is strikingly different in color pattern. S. neilli has 34 dark brown body bands whereas S. sanniola has a middorsal row of spots. In addition, S. neilli has the 7th supralabial in contact with the lower postocular and primary temporal, but not in contact with the secondary temporal. This condition occurs occasionally in S. sanniola, but in no other species of Sibon. |
Comment | Synonymy after VILLA et al. 1988 (but see KOFRON 1990). |
Etymology | Named after Latin sannio, one who mimics in mockery, a harlequin, buffoon + Latin -olus, suffix dimminutive. [?]. Geophis sanniolus neilli was named after Wilfred Trammell Neill Jr. (1922–2001), US American herpetologist. |
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