Scaphiodontophis annulatus
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Colubridae
Genus:	Scaphiodontophis
Species:	S. annulatus
Binomial name
Scaphiodontophis annulatus (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)
Synonyms[2]
List Enicognathus annulatus A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854 Diadophis annulatus — Garman, 1884 Polyodontophis annulatus — Boulenger, 1893 Henicognathus venustissimus — Günther, 1895 Sibynophis zeteki Dunn, 1930 Sibinophis annulatus — Ditmars, 1934 Scaphiodontophis carpicinctus Taylor & H.M. Smith, 1943 Scaphiodontophis zeteki — Taylor & H.M. Smith, 1943 Scaphiodontophis cyclurus — Taylor & H.M. Smith, 1943 Scaphiodontophis nothus — Taylor & H.M. Smith, 1943 Scaphiodontophis albonuchalis — Taylor & H.M. Smith, 1943 Scaphiodontophis annulatus — J. Peters & Orejas-Miranda, 1970

Scaphiodontophis annulatus, commonly known as the Guatemala neckband snake, is a species of snake in the family Colubridae. The species is native to southern Mexico, Central America, and Colombia. There are four recognized subspecies.

Taxonomy

The following four subspecies are recognized as being valid.^[2] The subspecific name, dugandi, is in honor of Colombian biologist Armando Dugand.^[3]

• Scaphiodontophis annulatus annulatus (A.M.C. Duméril, Bibron & A.H.A. Duméril, 1854)
• Scaphiodontophis annulatus dugandi Roze, 1969
• Scaphiodontophis annulatus hondurensis (Schmidt, 1936)
• Scaphiodontophis annulatus nothus Taylor & H.M. Smith, 1943

Distribution and habitat

S. annulatus is found in Mexico, Belize, Colombia, El Salvador, Guatemala, Honduras, and Nicaragua.^[2]

The preferred natural habitat of S. annulatus is forest at altitudes from sea level to 1,200 m (3,900 ft).^[1]

Reproduction

S. annulatus is oviparous.^[2]