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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 LottioideaLottiidae (including Acmaea and Niveotectura)
Patelloidea EoacmaeoideaEoacmaeidae - only one genus Eoacmaea
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]
Eoacmaea is a genus of sea snails or true limpets, marine gastropod mollusks in the subclass Patellogastropoda, the true limpets.
Eoacmaea is the only genus in the family Eoacmaeidae, belonging to the superfamily Lottioidea.
Eoacmaea is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
Eoacmaea is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
