Published November 18, 2020 | Version v1
Taxonomic treatment Open

Rhinophis

  • 1. Department of Life Sciences, The Natural History Museum, London SW 7 5 BD, UK & Department of Genetics, Evolution and Environment, University College London, London WC 1 E 6 BT, UK
  • 2. Wayanad Wild, Lakkidi, Vythiri, Wayanad, Kerala, India
  • 3. IISER-TVM Centre for Research and Education in Ecology and Evolution (ICREEE) and School of Biology, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala P. O. Vithura, Thiruvananthapuram, Kerala 695551, India vivek. cyriac @ gmail. com; https: // orcid. org / 0000 - 0002 - 0465 - 0452
  • 4. Centre for Applied Genetics, Department of Zoology, Bangalore University, Bengaluru, Karnataka, 560056, India venugcaecilian @ gmail. com; https: // orcid. org / 0000 - 0003 - 4873 - 7418
  • 5. Department of Life Sciences, The Natural History Museum, London SW 7 5 BD, UK

Description

Key to the Indian species of Rhinophis

This is an updated version of the key presented by Cyriac et al. (2020), revised with the addition of R. karinthandani sp. nov. We have removed the relative rostral length character used in Cyriac et al.’s (2020) key because we are less convinced of its diagnostic value and because it can be difficult to measure. All six species are endemic to India and are the only members of this genus known to occur in India.

1 Number of dorsal scale rows just behind midbody 17......................................................... 2

- Number of dorsal scale rows just behind midbody 15......................................................... 3

2 Ventral shields fewer than 160............................................................... R. travancoricus

- Ventral shields more than 180.................................................................... R. goweri

3 Ventral surface with dark blotches in irregular, staggered, transverse half-bands.................................... 4

- Ventral surface with irregular dark speckles or spots.......................................................... 5

4 Only known specimen a female with 195 ventral and 5,5 subcaudal shields (from Cardamom Hills of Western Ghats, South of Palghat Gap)............................................................................. R. fergusonianus

- Ventral shields more than 215; subcaudals 6 or more pairs (from Wayanad region of Western Ghats, North of Palghat Gap)......................................................................................... R. melanoleucus

5 Subcaudals 5 (more typically 6)–11 (5– 7 females; 8– 11 males); venter background colour bright red in life (paler, more orangeyellow in smaller specimens).................................................................. R. sanguineus

- Subcaudals 4–8 (4– 5 females; 6– 8 males); venter background colour whitish (to pale pink anteriorly) in life.............................................................................................. R. karinthandani sp. nov.

Notes

Published as part of Sampaio, Filipa L., Narayanan, Surya, Cyriac, Vivek Philip, Venu, Govindappa & Gower, David J., 2020, A new Indian species of Rhinophis Hemprich, 1820 closely related to R. sanguineus Beddome, 1863 (Serpentes: Uropeltidae), pp. 1-24 in Zootaxa 4881 (1) on page 14, DOI: 10.11646/zootaxa.4881.1.1, http://zenodo.org/record/4425611

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Linked records

Additional details

Biodiversity

Family
Uropeltidae
Genus
Rhinophis
Kingdom
Animalia
Order
Squamata
Phylum
Chordata
Taxon rank
genus

References

  • Cyriac, V. P., Narayanan, S., Sampaio, F. L., Umesh, P. & Gower, D. J. (2020) A new species of Rhinophis Hemprich, 1820 (Serpentes: Uropeltidae) from the Wayanad region of peninsular India. Zootaxa, 4778 (2), 329 - 342. https: // doi. org / 10.11646 / zootaxa. 4778.2.5