Cortana (gastropod)
| Cortana Temporal range: | |
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| Apertural view of a fossil shell of Cortana carvalhoi | |
| Scientific classification | |
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| (unranked): | clade Heterobranchia
clade Euthyneura |
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| Genus: | †Cortana Salvador & Simone, 2013 |
| Type species | |
| †Bulimulus carvalhoi Brito, 1967 | |
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Cortana is a fossil genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropods in the family Bulimulidae. The genus is known only from the Brazilian Paleocene deposits of the Itaboraí Basin, in the state of Rio de Janeiro. The most characteristic feature of the genus is its apertural armature.