Pectinodontidae

Pectinodontidae is a family of sea snails or true limpets, marine gastropod mollusks in the superfamily Lottioidea, the true limpets.^[1]

Pectinodontidae
Pectinodonta orientalis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Patellogastropoda
Superfamily:	Lottioidea
Family:	Pectinodontidae Pilsbry, 1891
Genera and species
See text

Taxonomy

This family was previously ranked as subfamily Pectinodontinae (also with Acmaeinae and Rhodopetalinae) in the family Acmeaidae in the taxonomy of the Gastropoda by Bouchet & Rocroi (2005).

Nakano & Ozawa (2007)^[2] elevated Pectinodontinae to family level Pectinodontidae based on molecular phylogeny research.^[2]

A cladogram showing phylogenic relations of Patellogastropoda:^[2]

Patellogastropoda	Lottiidae (including Acmaea and Niveotectura) Pectinodontidae Lepetidae Nacellidae Patellidae Eoacmaeidae

Genera

Genera in the family Pectinodontidae include:

• Bathyacmaea
• Bathyacmaea secunda Okutani, Fujikura & Sasaki, 1993
• Pectinodonta - the earliest known Pectinodonta are from Late Oligocene^[3]