Helicops phantasma Moraes-da-Silva, Amaro, Nunes, Rodrigues & Curcio, 2021
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publication ID |
https://dx.doi.org/10.3897/BDJ.10.e69234 |
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persistent identifier |
https://treatment.plazi.org/id/43552550-F531-5EA6-901B-B8BD0D3B378D |
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treatment provided by |
Biodiversity Data Journal by Pensoft (2022-03-11 22:51:44, last updated 2022-11-10 23:12:32) |
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scientific name |
Helicops phantasma Moraes-da-Silva, Amaro, Nunes, Rodrigues & Curcio, 2021 |
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Helicops phantasma Moraes-da-Silva, Amaro, Nunes, Rodrigues & Curcio, 2021
Diagnosis
Helicops phantasma can be distinguished from all other congeners by having a dorsal pattern of dark spots fusing to irregular black bands, absent intergenials and 19/19/17-19 dorsal scale rows with moderate keels (versus 25/25/21 in H. boitata ; 19-21/18-20/16-19 in H. danieli ; 19/19/19 in H. gomesi ; 15-22/18-22/16-19 in H. leopardinus ; 23-25/23-26/17-21 in H. polylepis ) and hemipenial morphology (for information on references, see Suppl. material 3).
Distribution
The species is only known from the Tocantins-Araguaia River Basin in the Provinces Tocantins, Mato Grosso and Maranhão in northern Brazil ( Moraes-da-Silva et al. 2021, Fig. 3 b).
Moraes-da-Silva, Antonio, Amaro, Renata Cecilia, Nunes, Pedro M. Sales, Rodrigues, Miguel Trefaut, Curcio, Felipe Franco, 2021. Long known, brand new, and possibly threatened: a new species of watersnake of the genus Helicops Wagler, 1828 (Serpentes; Xenodontinae) from the Tocantins-Araguaia River Basin, Brazil. Zootaxa 4903 (2): 217 - 241
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