Bachia dorbignyi (DUMÉRIL & BIBRON, 1839)
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Bachia dorbignyi
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae, Bachiinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Dorbigny's Bachia Portuguese: Lagarto-Ápodo, Lagarto-sem-Pata |
| Synonym | Chalcides dorbignyi DUMÉRIL & BIBRON 1839: 462 Bachia dorbignyi — GRAY 1845: 58 Cophias dorbignyi — BOULENGER 1885: 417 Bachia dorbignyi — GARMAN 1892: 2 Bachia dorbignyi — VANZOLINI 1961: 198 Bachia dorbingyi — DONOSO-BARROS & GARRIDO 1964 (in error) Bachia dorbignyi — PETERS et al. 1970: 80 Bachia dorbignyi — DIRKSEN & DE LA RIVA 1999 Bachia dorbignyi — DE FREITAS et al. 2011 Bachia dorbignyi — COSTA-PRUDENTE et al. 2013 |
| Distribution | SE Peru, E Bolivia (Beni, Cochabamba, La Paz, Pando, Santa Cruz), Brazil (W Rondonia, Acre, Mato Grosso?) Type locality: Santa Cruz de la Sierra, Bolivia. |
| Reproduction | oviparous |
| Types | Holotype: MNHN-RA 2841 |
| Diagnosis | Diagnosis (subfamily Bachiinae): Bauplan associated with fossorial habits. Body serpentiform, elongate, cylindrical. Four reduced limbs, especially hind limbs, with variable number of digits, some lacking claws. External ear absent; lower eyelid with unsegmented semi-transparent disc. Head scales reduced in number; frontoparietals absent. Ventrals smooth (Colli et al. 2015). Diagnosis (genus): Worm-like gymnophthalmids, with body and tail cylindrical, elongate, and rudimentary limbs that may bear from zero to four clawed or clawless digits. Ear-opening absent. Lower eyelid with undivided semitransparent disc. Fronto-parietals absent, prefrontals, supraoculars, and interparietal present or absent. Dorsals and ventrals mostly in continuous transverse rows. Dorsals keeled or smooth, ventrals smooth (from Avila-Pires 1995: 342). See also diagnosis (genus) in Dixon 1973: 14. Diagnosis. As generic diagnosis, and in addition the following features: dorsals and scales o n flanks hexagonal, smooth, imbricate; ventrals quadrangular, juxtaposed. Prefrontals, supraoculars, and interparietal absent. Two (mostly) or three supraciliaries. Three fingers, hind limbs styliform with one apical scale that may be divided. Fifth supralabial in contact with parietal. Preanal pores 2-2 in males, 1-1 or absent in females. Scales around midbody 23-28, dorsals 47-55, ventrals 36-43, gulars 6-7. Maximum SVL 80 mm. (Based on Dixon, 1973, numbers of dorsals and ventrals also on Vanzolini, 1961) (from Avila-Pires 1995: 344). |
| Comment | Type species: Chalcides dorbignyi DUMÉRIL & BIBRON 1839 is the type species of the genus Bachia GRAY 184 (see Dixon 1973: 14). Bachia is the type genus of the tribus Bachini (Castoe et al. 2004) or the subfamily Bachiinae (Colli et al. 2015, Pyron et al. 2013). Murphy et al. 2019 erroneously gave the type species of Bachia as Chalcides flavescens BONNATERRE 1789. Distribution: see map in TEXEIRA et al. 2013: 412. Not in Paraguay (Cacciali et al. 2016). Characters: Thomas 1965: 22 has a table (Tabl 1) of morphological characters across Bachia known at the time. |
| Etymology | Named after Alcide Dessalines d'Orbigny (1802-1857), French traveler and naturalist who lived in South America for 8 years (1826-1834). |
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