Neusticurus arekuna KOK, BITTENBINDER, VAN DEN BERG, MARQUES-SOUZA, SALES-NUNES, LAKING, TEIXEIRA JR, FOUQUET, MEANS, MACCULLOCH & RODRIGUES, 2018
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Neusticurus arekuna
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Neusticurus arekuna KOK, BITTENBINDER, VAN DEN BERG, MARQUES-SOUZA, SALES-NUNES, LAKING, TEIXEIRA JR, FOUQUET, MEANS, MACCULLOCH & RODRIGUES 2018 |
| Distribution | Venezuela (Bolívar), Brazil (Roraima) Type locality: summit of Angasima-tepui (Bolívar state, Venezuela, 5°02.5833N, 62°04.8667W, ca. 2200 m elevation |
| Reproduction | oviparous (manual imputation, fide Zimin et al. 2022) |
| Types | Holotype: IRSNB 2687, an adult female collected on 11 May 2011 at 9:20 am by PJRK. Paratypes (n = 8): VENEZUELA. Bolívar state, summit of Angasima-tepui, (5°02.5833N, 62°04.8667W, ca. 2200 m elevation), one adult male (IRSNB2690) collected on 14 May 2011 by Brad Wilson and two juveniles (IRSNB2688 [formerly IRSNB 18151], IRSNB 2689) collected on 12 May and 13 May 2011, respectively, by PJRK. BRAZIL. Roraima state, Pacaraima (4° 27.6333N, 61°08.7W, 900 m elevation), two adult males (MZUSP 106223, MZUSP106226), two adult females (MZUSP 106224, MZUSP106227), and one juvenile (MZUSP 106225) collected in May 2011 by MTR, SMS, AF, MTJ, Augustín Camacho and Renato Recoder. |
| Diagnosis | Diagnosis: Neusticurus arekuna sp. nov. is characterised by the following combination of characters: (1) size moderate (maximum known SVL 74.5 mm in the holotype, IRSNB2687); (2) tail 1.7–2.1 times SVL; (3) tympanum moderately recessed, auditory meatus short; (4) lower eyelid with semi-transparent disc of 5–6 palpebrals; (5) frontonasal single; (6) occipital scales in contact with posterior edge of parietals and interparietal 4–7; (7) enlarged dorsal tubercles arranged in continuous, although sometimes poorly defined, longitudinal rows containing 40–44 scales; (8) flanks with large trihedral scales surrounded by smaller scales, heterogeneous in size; (9) ventral scales in 25–27 transverse rows; (10) subdigital lamellae under 4th finger 18–21; (11) subdigital lamellae under 4th toe 25–33; (12) total number of femoral pores 45–51 in males, 36–43 in females; (13) tail compressed with 4–5 transverse rows of lateral scales corresponding to two subcaudal scales and 2–3 dorsal tubercles (= verticils), the last dorsal tubercle of each verticil distinctly overlapping the next verticil; (14) hemipenis with lobes enlarged, distinctly capi- tate and detached from the hemipenial body; (15) hemipenis with all lateral flounces separated on the central asulcate face by an enlarged nude stripe that occupies ca. one third of the total asulcate face of the hemipenial body. |
| Comment | |
| Etymology | The specific epithet is a noun in apposition honouring the Arekuna tribe (also known as the Pemon tribe) that lives in the region of Pantepui where the new species was collected. |
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