Pectinodontidae is a family of sea snails or true limpets, marine gastropod molluscs in the superfamily Lottioidea, the true limpets.Lottioidea
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 Pectinodonta - the earliest known Pectinodonta are from Late Oligocene
References
Further reading
Sasaki T., Okutani T. & Fujikura K. 2006. Anatomy of Bathyacmaea secunda Okutani, Fujikura & Sasaki, 1993 (Patellogastropoda: Acmaeidae). Journal of Molluscan Studies 2006 72(3):295-309;