Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Reptilia
Subclassis: Diapsida
Infraclassis: Lepidosauromorpha
Superordo: Lepidosauria
Ordo: Squamata
Subordo: Serpentes
Infraordo: Henophidia
Superfamilia: Booidea
Familia: Bolyeriidae
Genera: Bolyeria - Casarea


Bolyeriidae Hoffstetter, 1946

Vernacular names
Deutsch: Bolyerschlangen
English: Round Island Boas
Suomi: Mauritiuksen boat

The Bolyeriidae are a family[2] of snakes native to Mauritius and a few islands around it, especially Round Island. In the past they also occurred on the island of Mauritius, but were extirpated there due to human influence and foraging pigs in particular.[3] These snakes were formerly placed in the Boidae, but are now classed as a separate family. Currently, two monotypic genera are recognized, but only a single species is extant.[2]

Geographic range

Found in Mauritius.[1]


Genus[2] Taxon author[2] Species[2] Common name Geographic range[1]
BolyeriaT Gray, 1842 1 Round Island burrowing boa[4] Mauritius.
Casarea Gray, 1842 1 Round Island ground boa[5] Mauritius.

T) Type genus.[1]

Both of these monotypic gena once inhabited Mauritius and/or a number of islands around it. However, Bolyeria hasn't been reported since 1975 and is believed to be extinct, while Casarae is presently known to survive only on Round Island.[1]


1. ^ a b c d e McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
2. ^ a b c d e f "Bolyeriidae". Integrated Taxonomic Information System. Retrieved 16 August 2007.
3. ^ Bolyeridae at the Reptile Database. Accessed 3 November 2008.
4. ^ Species Bolyeria multocarinata at The Reptile Database. Accessed 17 August 2007.
5. ^ Species Casarea dussumieri at The Reptile Database. Accessed 17 August 2007.

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