Trimetopon

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Caenophidia
Superfamilia: Colubroidea

Familia: Dipsadidae
Subfamilia: Dipsadinae
Genus: Trimetopon
Species: T. barbouri – T. gracile – T. pliolepis – T. simile – T. slevini – T. viquezi
Name

Trimetopon
Vernacular names
English: Tropical Ground Snakes

Trimetopon is a genus of snakes in the family Colubridae. The genus is native to Costa Rica and Panama. Species in the genus Trimetopon are known commonly as tropical ground snakes.
Species

The following six species are recognised as being valid:[1][2][3]

Trimetopon barbouri Dunn, 1930 – Barbour's tropical ground snake[4]
Trimetopon gracile (Günther, 1872) – Günther's tropical ground snake[5]
Trimetopon pliolepis Cope, 1894 – Cope's tropical ground snake[6]
Trimetopon simile Dunn, 1930 – Dunn's tropical ground snake[7]
Trimetopon slevini Dunn, 1940 – Slevin's tropical ground snake[8]
Trimetopon viquezi Dunn, 1937 – Víquez's tropical ground snake[9]

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Trimetopon.
References

"Trimetopon ". Integrated Taxonomic Information System. Retrieved May 9, 2014.
Savage, Jay M. (2005). The Amphibians and Reptiles of Costa Rica. Chicago: University of Chicago Press. p. 636. ISBN 978-0226735382. Retrieved May 9, 2014.
Genus Trimetopon at The Reptile Database www.reptile-database.org.
Beolens et al., p. 16.
Beolens et al., pp. 110-111.
Beolens et al., pp. 58-59.
Beolens et al., pp. 77-78.
Beolens et al., pp. 245-246.

Beolens et al., p. 276.