''Brasilennea'' is a

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of small to medium-sized air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

s, terrestrial

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

s in the family

Cerionidae Cerionidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Urocoptoidea. Pre-2008 taxonomy According to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005), the family Cerionidae is ...

. The genus is known only from the Brazilian

Paleocene The Paleocene, ( ) or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), E ...

Itaboraí Basin, in Rio de Janeiro.Salvador, R.B.; Rowson, B.; Simone, L.R.L. 2011. Rewriting the fossil history of Cerionidae (Gastropoda: Pulmonata): new family assignment of the Brazilian Palaeocene genus Brasilennea Maury, 1935. Journal of Molluscan Studies 77: 445–447. The most characteristic feature of the genus is its two spiral furrows on the body whorl. The generic name ''Brasilennea'' originally intended to imply that it is a Brazilian genus that is very similar and related to the African genus ''

Ennea ''Ennea'' was the second album by jazz-rock band Chase. It did not repeat the commercial success of their debut album ''Chase''. The original lineup from the first album was changed midway through the recording sessions, with Gary Smith taking ...

''. This is no longer the case, however: while the genus was originally classified in the family

Streptaxidae Streptaxidae is a family of carnivorous air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora. Six Streptaxidae subfamilies are accepted in the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi. Stre ...

, ''Brasilennea'' was then later transferred to the family

Species

Species within the genus ''Brasilennea'' include: * '' Brasilennea arethusae'' Maury, 1935 - type species of genus * '' Brasilennea guttula'' Salvador & Simone, 2012Salvador, R.B. & Simone, L.R.L. 2012. New fossil pulmonate snails from the Paleocene of Itaboraí Basin, Brazil (Pulmonata: Cerionidae, Strophocheilidae, Orthalicidae). Archiv für Molluskenkunde 141(1): 43-50. * '' Brasilennea minor'' Trindade, 1956Trindade, N.M. 1956. Contribuição ao estudo da malacofauna da São José de Itaboraí, Estado do Rio de Janeiro. Notas Preliminares e Estudos do Departamento Nacional de Produção Mineral 96: 1–22.

References

{{Taxonbar, from=Q4957819 Cerionidae Paleocene gastropods Paleocene animals of South America Itaboraian Paleogene Brazil Fossils of Brazil Fossil taxa described in 1935