''Rhinatrema'' is a genus of

caecilian Caecilians (; ) are a group of limbless, vermiform or serpentine amphibians. They mostly live hidden in the ground and in stream substrates, making them the least familiar order of amphibians. Caecilians are mostly distributed in the tropics of ...

s in the family

Rhinatrematidae Rhinatrematidae is a family of caecilians, also known as the Neotropical tailed caecilians, American tailed caecilians. or beaked caecilians. They are found in the equatorial countries of South America. They are usually regarded as the most basa ...

. Their common name is two-lined caecilians. The genus is known from the

Guyanas The Guianas, sometimes called by the Spanish loan-word ''Guayanas'' (''Las Guayanas''), is a region in north-eastern South America which includes the following three territories: * French Guiana, an overseas department and region of France * ...

( Guyana,

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

, and

Suriname Suriname (; srn, Sranankondre or ), officially the Republic of Suriname ( nl, Republiek Suriname , srn, Ripolik fu Sranan), is a country on the northeastern Atlantic coast of South America. It is bordered by the Atlantic Ocean to the north ...

) and adjacent

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. Most ''Rhinatrema'' are known to inhabit and live in areas of tropical forests where there is an abundance of dense, dead vegetation matter. ''Rhinatrema'' are primitive caecilians that have a true tail. They are oviparous. Until recently, the two-lined caecilian (''R. bivittatum'') was the only species in the genus ''Rhinatrema''. However, in 2010 and 2018, new species were described. The genus now contains now six species:

References

Rhinatrematidae Amphibians of Brazil Amphibians of French Guiana Amphibians of Guyana Amphibians of Suriname Taxa named by André Marie Constant Duméril Taxa named by Gabriel Bibron Taxonomy articles created by Polbot {{caecilian-stub