Patellogastropoda

The Patellogastropoda, common name true limpets and historically called the Docoglossa, are members of a major phylogenetic group of marine gastropods, treated by experts either as a clade or as a taxonomic order. The clade Patellogastropoda is deemed monophyletic based on phylogenetic analysis. Taxonomy Patellogastropoda was proposed by David R. Lindberg, 1986, as an order, and was later included in the subclass Eogastropoda Ponder & Lindberg, 1996. 2005 taxonomy Bouchet & Rocroi, 2005 designated Patellogastropoda, true limpets, as a clade, rather than as a taxon, but within included superfamilies and families as listed below. Families that are exclusively fossil are indicated with a dagger †: Superfamily Patelloidea Family Patellidae Superfamily Nacelloidea Family Nacellidae Superfamily Lottioidea Family Lottiidae Family Acmaeidae Forbes, 1850 subfamily Acmaeinae Forbes, 1850 subfamily Pectinodontinae Pilsbry, 1891 subfamily Rhodopetalinae Lindberg, 1981 Family Lepetidae Superfamily Neolepetopsoidea Family Neolepetopsidae † Family Daminilidae † Family Lepetopsidae With the exception of calling Patellogastropoda a clade rather than an order, as was previously the case in Ponder and Lindberg, 1997 the taxon has not changed much, differing more in the arrangement of its content rather than in the overall composition. Bouchet and Rocroi omitted Ponder and Lindberg's suborders, and added in the superfamily Neolepetopsoidea.