Pectinodontidae

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

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)  elevated Pectinodontinae to family level Pectinodontidae based on molecular phylogeny research.

A cladogram showing phylogenic relations of Patellogastropoda:

Genera
Genera in the family Pectinodontidae include:
 * Bathyacmaea
 * Bathyacmaea secunda Okutani, Fujikura & Sasaki, 1993
 * Pectinodonta - the earliest known Pectinodonta are from Late Oligocene