Calmidae is a
taxonomic family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of
sea slug
Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary ...
s with only one genus and two species. These are specifically aeolid
nudibranch
Nudibranchs () are a group of soft-bodied marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to mat ...
s. They are
marine gastropod molluscs in the superfamily
Fionoidea
Fionoidea is a superfamily of small sea slugs, aeolid nudibranchs. They are gastropod mollusks within the infraorder Cladobranchia. The families within Fionoidea were shown to be monophyletic on DNA evidence and a re-interpretation of family c ...
.
This family has no subfamilies.
Taxonomic history
The genera in this family were moved to the family
Fionidae
Fionidae is a family of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the superfamily Fionoidea.
Taxonomic history
This family was expanded to include Tergipedidae, Eubranchidae and Calmidae as a result of a molecular phyloge ...
as a result of a molecular phylogenetics study.
[Cella, K; Carmona Barnosi, L.; Ekimova, I; Chichvarkhin, A; Schepetov, D; Gosliner, T. M. (2016)]
''A radical solution: The phylogeny of the nudibranch family Fionidae.''
PLoS ONE. 11(12): e0167800.
Biology
Species in this family have an unusual diet for Nudibranchs. They feed on fish eggs.
References
External links
* Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp.
Marine species database* Proc. malac. Soc. London 15: 200
Monogeneric mollusc families
{{heterobranchia-stub