Eoacmaea | |
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Shell of Eoacmaea profunda (syntype at MNHN, Paris) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Patellogastropoda |
Superfamily: | Lottioidea |
Family: | Eoacmaeidae |
Genus: |
Eoacmaea Nakano & Ozawa, 2007 [1] |
Type species | |
Patella profunda Deshayes, 1863 |
Eoacmaea is a genus of sea snails or true limpets, marine gastropod mollusks in the subclass Patellogastropoda, the true limpets. [2]
Eoacmaea is the only genus in the family Eoacmaeidae, belonging to the superfamily Lottioidea.
The generic name Eoacmaea is composed from the Eo that mean "early" [1] in Greek and Acmaea, [1] that is the genus of gastropod in family Lottiidae.
The family Eoacmaeidae was established by Nakano & Ozawa (2007) [1] for the genus Eoacmaea.
A cladogram based on sequences of mitochondrial 12S ribosomal RNA, 16S ribosomal RNA and cytochrome-c oxidase I (COI) genes showing phylogenic relations of Patellogastropoda by Nakano & Ozawa (2007) [1] and superfamilies based on World Register of Marine Species: [2]
Patellogastropoda |
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Eoacmaea is the most basal group within Patellogastropoda [1] and Eoacmaea have diversified from other Patellogastropoda in Tethys Ocean in Triassic or Jurassic about 203 million years ago (limits are from 143 to 279 million years ago). [1]
Species within the genus Eoacmaea include: [1]