Acmaeidae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

s, specifically true

limpet Limpets are a group of aquatic snails with a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. This general category of conical shell is known as "patelliform" (dish-shaped). Existing within the class Gastropoda, ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the superfamily

Lottioidea Lottioidea is a superfamily of sea snails or limpets, marine gastropod mollusks in the clade Patellogastropoda, the true limpets.MolluscaBase (2018). Lottioidea Gray, 1840. Accessed through: World Register of Marine Species at: http://www.mari ...

and the subclass

Patellogastropoda The Patellogastropoda, common name true limpets and historically called the Docoglossa, are members of a major phylogenetic group of marine (ocean), marine gastropods, treated by experts either as a clade or as a taxonomic Order (biology), order. ...

(according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Bouchet, P.; Gofas, S. (2014). Acmaeidae Forbes, 1850. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=114 on 2014-10-31

Taxonomy

Listed as valid family in Bouchet & Rocroi (2005) but this classification revised following the

molecular phylogeny Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

of Nakano & Ozawa (2007). Acmaeinae, including ''

Erginus Erginus () was the name of the following figures: * Erginus, king of Minyans and son of Clymenus. * Erginus, one of the Argonauts. * Erginus, a defender of Thebes in the war of the Seven against Thebes, killed by Hippomedon. * Erginus, a desce ...

'', was found to be

paraphyletic Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...

. However, this synonymy was subsequently found incorrect, having been the result of contaminated samples, and ''Acmaea mitra'' and a related species, ''

Niveotectura pallida ''Niveotectura pallida'' is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets. Description The shell can grow to be 32 mm to 60 mm. Distribution ''Niveotec ...

'' form a well-supported clade outside of the

Lottiidae Lottiidae is a family (biology), family of sea snails, specifically true limpets, marine (ocean), marine gastropod mollusks in the superfamily Lottioidea and the clade Patellogastropoda (according to the Taxonomy of the Gastropoda (Bouchet & Rocr ...

, and Acmaeidae was re-established.

Genera

* ''

Acmaea ''Acmaea'' is a genus of sea snails, specifically true limpets, marine (ocean), marine gastropod mollusks in the family Acmaeidae, one of the families of true limpets.Bouchet, P.; Rosenberg, G.; Gofas, S. (2014). Acmaea Eschscholtz, 1833. Access ...

'' Eschscholtz, 1833 * † '' Marbodaeia'' Chelot, 1886 * † '' Pseudorhytidopilus'' Cox, 1960 * '' Rhodopetala'' Dall, 1921 ;Synonyms: * † ''Guerangeria'' Cossmann, 1885 : synonym of † ''Marbodaeia'' Chelot, 1886 (preoccupied by ''Guerangeria'' Oehlert, 1881 ivalvia ''Marbodaeia'' Chelot, 1886 is a replacement name) * † ''Marbodeia'' ic : synonym of † ''Marbodaeia'' Chelot, 1886 (misspelling in Haber (1932) and others)

References

* Forbes E. (1850). On the genera of British Patellacea. Report of the 19th meeting of the British Association for the Advancement of Science irmingham, 1849 Notices and Abstracts of Communication. 75-76. * Lindberg D.L. (1981). Rhodopetalinae, a new subfamily of Acmaeidae from the boreal Pacific: anatomy and systematics. Malacologia. 20(2): 291-305. {{Authority control Lottioidea