Calamodontophis ronaldoi

Calamodontophis ronaldoi
Conservation status
	; Endangered (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Calamodontophis
Species:	C. ronaldoi
Binomial name
	Calamodontophis ronaldoi; Franco, de Carvalho Cintra & de Lema, 2006

Last updated September 30, 2025

Calamodontophis ronaldoi is a species of snake in the family Colubridae. The species is endemic to southern Brazil.

Etymology

The specific name, ronaldoi, is in honor of Brazilian herpetologist Ronaldo Fernandes (born 1966).^[2]

Geographic range

C. ronaldoi is found in the Brazilian state of Paraná.^[3]

Description

C. ronaldi may be identified by distinctive markings on the head and body. On the head, it has a black comma-shaped blotch which extends from the corner of the mouth to the gular scales, and a separate oval black blotch on the parietals. On the body, it has a light-colored longitudinal dorsal line.^[3]

Reproduction

C. ronaldi is viviparous.^[3]

References

↑ Moura-Leite, J.C.; Bérnils, R.S.; Morato, S.A.A. (2000). "Calamodontophis ronaldoi". IUCN Red List of Threatened Species . 2000 e.T39906A10281844. doi: 10.2305/IUCN.UK.2000.RLTS.T39906A10281844.en . Retrieved 16 November 2021.
↑ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Calamodontophis ronaldoi, p. 225).
1 2 3 Species Calamodontophis ronaldi at The Reptile Database www.reptile-database.org.

Franco, Francisco Luís; De Carvalho Cintra, Luiz Arthur; De Lema, Thales (2006). "A New Species of Calamodontophis Amaral, 1963 (Serpentes, Colubridae, Xenodontinae) from Southern Brazil". South American Journal of Herpetology. 1 (3): 218–226. doi:10.2994/1808-9798(2006)1[218:ansoca]2.0.co;2. S2CID 86447913.

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[iucn_status_16_November_2021-1] Moura-Leite, J.C.; Bérnils, R.S.; Morato, S.A.A. (2000). "Calamodontophis ronaldoi". IUCN Red List of Threatened Species . 2000 e.T39906A10281844. doi: 10.2305/IUCN.UK.2000.RLTS.T39906A10281844.en . Retrieved 16 November 2021.

[2] Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Calamodontophis ronaldoi, p. 225).

[RDB-3] 1 2 3 Species Calamodontophis ronaldi at The Reptile Database www.reptile-database.org.

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