Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Patellogastropoda
Superfamilia: Lottioidea
Familia: Eoacmaeidae
Genus: Eoacmaea
Species: (12): E. albonotata – E. calamus – E. ceylanica – E. chamorrorum – E. conoidalis – E. javanica – E. ivani – E. mauritiana – E. omanensis – E. profunda – E. pustulata – E. semirubida
Name
Eoacmaea Nakano & Ozawa, 2007: 99
Type species: Patella profunda Deshayes, 1863, by original designation.
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Eoacmaea profunda
References
Primary references
Nakano, T. & Ozawa, T. 2007. Worldwide phylogeography of limpets of the order Patellogastropoda: molecular, morphological and palaeontological evidence. Journal of Molluscan Studies 73(1): 79–99. DOI: 10.1093/mollus/eym001 Reference page.
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.
Etymology
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.
Taxonomy
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
Species within the genus Eoacmaea include:[1]
Eoacmaea albonotata (Smith, 1901)
Eoacmaea calamus (Crosse & Fischer, 1864)
Eoacmaea ceylanica (E.A. Smith, 1911)
Eoacmaea chamorrorum (Lindberg & Vermeij, 1985)
Eoacmaea conoidalis (Pease, 1868)
Eoacmaea ivani (Christiaens, 1975)
Eoacmaea javanica (Nakano, Aswan & Ozawa, 2005)
Eoacmaea mauritiana (Pilsbry, 1891)
Eoacmaea omanensis (Christiaens, 1975)
Eoacmaea perfestiva (Faber, 2004)
Eoacmaea profunda (Deshayes, 1863) - type species
Eoacmaea pustulata (Helbling, 1779)
Eoacmaea semirubida (Dall, 1914)
References
Nakano T. & Ozawa T. (2007). "Worldwide phylogeography of limpets of the order Patellogastropoda: Molecular, morphological and palaeontological evidence". Journal of Molluscan Studies 73(1) 79-99. doi:10.1093/mollus/eym001.
MolluscaBase eds. (2020). MolluscaBase. Eoacmaea T. Nakano & Ozawa, 2007. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=456551 on 2020-11-03
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