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Brasilennea

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Extinct genus of gastropods

Brasilennea
Temporal range: Paleocene (Itaboraian)
Paleocene PreꞒ Ꞓ O S D C P T J K Pg N
Brasilennea arethusae
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia

clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora

informal group Sigmurethra
Superfamily: Urocoptoidea
Family: Cerionidae
Genus: †Brasilennea
Maury, 1935
Type species
†B. arethusae
Maury 1935
Species
Diversity
3 extinct species

Brasilennea is a fossil genus of small to medium-sized air-breathing land snails, terrestrial pulmonate gastropods in the family Cerionidae. The genus is known only from the Brazilian Paleocene Itaboraí Basin, in Rio de Janeiro. 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. This is no longer the case, however: while the genus was originally classified in the family Streptaxidae, Brasilennea was then later transferred to the family Cerionidae.

Species

Species within the genus Brasilennea include:

References

  1. Salvador, Rodrigo Brincalepe; Simone, Luiz Ricardo Lopes de (2013). "Taxonomic revision of the fossil pulmonate mollusks of Itaboraí Basin (Paleocene), Brazil". Papéis Avulsos de Zoologia. 53 (2): 5–46. doi:10.1590/S0031-10492013000200001.
  2. ^ Maury, Carlotta Joaquina (1935). "New genera and new species of fossil terrestrial Mollusca from Brazil". American Museum Novitates (764). hdl:2246/4568.
  3. ^ 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. doi:10.1093/mollus/eyr021
  4. Salvador, 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. doi:10.1127/arch.moll/1869-0963/141/043-050
  5. Trindade, 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.
Taxon identifiers
Brasilennea
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