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Alopoglossus gansorum RIBEIRO-JÚNIOR, SÁNCHEZ-MARTÍNEZ, MORAES, COSTA DE OLIVEIRA, CARVALHO, CHOUERI, WERNECK & MEIRI, 2021

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Higher TaxaAlopoglossidae, Sauria, Gymnophthalmoidea, Squamata (lizards)
Subspecies 
Common Names 
SynonymAlopoglossus gansorum RIBEIRO-JÚNIOR, SÁNCHEZ-MARTÍNEZ, MORAES, COSTA DE OLIVEIRA, CARVALHO, CHOUERI, WERNECK & MEIRI 2021
Alopoglossus aff. atriventris — WALDEZ et al. 2013: 309, Figure 4f
Alopoglossus angulatus “Southwest” — RIBEIRO-JÚNIOR et al. 2020: 6 
DistributionBrazil (Amazonas)

Type locality: Igarapé do Jacinto, Tapauá, Amazonas state, Brazil (−5.69, −63.21)  
Reproduction 
Typesolotype. INPA-H 34819, adult female, collected by Alexandre Almeida and Luciana Frazão (Figures 3 and 4).
Paratypes. INPA-H 14001 (female), INPA-H 14003 (female), INPA-H 14005 (male), INPA-H 14007 (female), all collected on 2004 at Lago Ayapuá, Reserva de Desenvolvimento Sustentável Piagaçu-Purus, Anori, Amazonas, Brazil (−4.36, −62.15), by Fabiano Waldez; INPA-H 34770, male, collected at Reserva Biológica do Abufari, Tapauá, Amazonas, Brazil (−5.28, −62.94), by Alexandre Almeida and Luciana Frazão; INPA-H 34780, male, collected at Igarapé do Jacinto, Tapauá, Amazonas, Brazil (−5.71, −63.22), by Alexandre Almeida and Luciana Frazão; CZPB-RP 179, collected at Turiaçu, trilha oeste (at the 2500 m from the beginning of the trail), Tapauá, Amazonas, Brazil (−4.97, −62.98), by Deyla Oliveira, Juliana Vieira, Luciana Frazão-Luiz, Sergio Marques and Vinícius Carvalho; CZPB-RP 180, collected at Turiaçu, trilha leste (1000 m), Tapauá, Amazonas, Brazil (−4.98, −62.96), by Deyla Oliveira, Juliana Vieira, Luciana Frazão-Luiz and Sérgio Marques. Other specimens: MPEG 
DiagnosisDiagnosis: Alopoglossus gansorum sp. nov. is distinguished from all other species of Alopoglossus by the combination of the following characters: (1) non-granular, keeled, imbricate scales on medial and posterior sides of neck, varying from phylloid to mucronate with almost rounded posterior margins, in 11–14 transverse rows; (2) four pairs of chin shield scales; (3) laterally to the fourth pair of chin shields, two large well-developed scales separating the third pair of chin shields from gular scales; (4) smooth scales along midventral gular region, with almost rounded posterior margins; (5) smooth scales on anterior temporal region; (6) feebly pointed distally scales on posterior temporal region; (7) smooth first supratemporal scale; (8) feebly keeled distally second supratemporal scale (smooth aspect), with an almost flat aspect, just slightly folding laterally toward the temporal region; (9) supratemporal scales separated from each other by a temporal scale, or touching each other with acute contact margins; (10) 20– 23 total number of femoral pores in males.
Alopoglossus gansorum sp. nov. is also distinguished from other species of Alopoglossus by the combination of the following hemipenial characters: (11) progressive widening of the sulcus spermaticus; (12) sulcus spermaticus running in the frontal face of the base of the lobes; (13) sulcate face with a fine area parallel to the sulcus spermaticus without ornaments; (14) hemipenial body and base ornamented by 24 transversal flounces covering almost the complete organ; (15) lobes with pointed distal ends; and (16) absence of hemipenial body distal expansion.


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References
  • Ribeiro-Junior, M. A., Choueri, E., Lobos, S., Venegas, P., Torres-Carvajal, O. and Werneck, F. 2020. Eight in one: morphological and molecular analyses reveal cryptic diversity in Amazonian alopoglossid lizards (Squamata: Gymnophthalmoidea). Zoological Journal of the Linnean Society 190 (1): 227–270 - get paper here
  • Ribeiro‐Júnior, M. A., Sánchez‐Martínez, P. M., Moraes, L. J. C. D. L., Oliveira, U. S. C. D., Carvalho, V. T. D., Pavan, D., ... & Meiri, S. 2021. Uncovering hidden species diversity of alopoglossid lizards in Amazonia, with the description of three new species of Alopoglossus (Squamata: Gymnophthalmoidae). Journal of Zoological Systematics and Evolutionary Research - get paper here
  • Waldez, F., Menin, M., & Vogt, R. C. 2013. Diversidade de anfíbios e répteis Squamata na região do baixo rio Purus, Amazônia Central, Brasil. Biota Neotropica, 13: 300–316 - get paper here
 
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