Tropidophis grapiuna CURCIO, SALES-NUNES, SUZART ARGOLO, SKUK & RODRIGUES, 2012
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Tropidophis grapiuna
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| Higher Taxa | Tropidophiidae, Henophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Portuguese: Jiboinha-Grapiúna |
| Synonym | Tropidophis grapiuna CURCIO, SALES NUNES, SUZART ARGOLO, SKUK & RODRIGUES 2012 Tropidophis grapiuna — WALLACH et al. 2014: 753 Tropidophis grapiuna — NOGUEIRA et al. 2019 Tropidophis grapiuna — ORTEGA-ANDRADE et al. 2022 |
| Distribution | Brazil (Bahia) Type locality: ‘‘Serra da Pedra Lascada,’’ region of Itajuípe, state of Bahia, Brazil. |
| Reproduction | viviparous (not imputed, fide Zimin et al. 2022) |
| Types | Holotype: MNRJ 19593, previous institutional number CZGB 3820 (latter abbreviation refers to Colecão Zoológica Gregório Bondar, Centro de Pesquisas-Comissa ̃o Executiva do Plano da Lavoura Cacaueira, Ilhéus, Bahia), not labeled in field, adult female, collected on 15 June 1995, collected by J.R. Martins. Paratype.—MZUESC 8153, adult female collected on 23 March 2010 at Serra Bonita, Fazenda Uirac ̧ u, in the vicinities of the municipality of Camacan, state of Bahia, by I. Dias e T. Medeiros. |
| Diagnosis | Diagnosis: Tropidophis grapiuna is distinguishable from all mainland congeners by the combination of the following characteristics: (1) low ventral counts (154–155 vs. 164–183 in T. paucisquamis and 200 in T. battersbyi); (2) 23 dorsals at midbody (vs. 21 or 23, rarely 25 in T. paucisquamis); (3) vertebral scale row not distinctly enlarged in size relative to remaining dorsals (vs. vertebral row of dorsals usually enlarged, wider than long at least on part of the trunk in T. paucisquamis); (4) dorsals strongly keeled except for first four rows on anterior two-thirds of trunk and first three rows on posterior one-third of trunk (dorsals smooth in T. battersbyi and smooth or feebly keeled in T. paucisquamis); (5) interparietals present, well developed (vs. usually lacking in T. paucisquamis); (6) parietals fully separated by interparietals (vs. parietals in full contact along middorsal line of head in T. paucisquamis); (7) 18 maxillary teeth (vs. 12 maxillary teeth in T. battersbyi); (8) body spotted, dorsal spots small, with approximately two dorsal scales in diameter and irregular in shape (vs. dorsal spots large, rounded or elliptical, up to four scales in diameter in T. battersbyi); and (9) eight spot rows around body, six on dorsum and two on venter (vs. six spot rows around body, four on dorsum and two on venter in T. battersbyi). |
| Comment | Habitat: partly arboreal (Harrington et al. 2018). Distribution: see map in Ortega-Andrade et al. 2022: 5 (Fig. 1). |
| Etymology | The specific epithet is a noun in apposition deriving from the Brazilian Portuguese ‘‘grapiúna,’’ as a reference to the inhabitants of the cocoa-producing region of the state of Bahia. The word derived from the native language Tupi Guarani (guirá = bird; piúna = dark skin). |
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