Dirona is a genus of sea slugs, Pacific Ocean nudibranchs, marine, opisthobranch gastropod mollusks in the family Dironidae.[1]

Dirona
Dirona albolineata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Cladobranchia
Family: Dironidae
Genus: Dirona
MacFarland, 1905

Dirona is the type genus of the family Dironidae.

This genus is characterized by large, broad cerata.

Distribution edit

These nudibranchs live on the West Coast of North America and Central America, some extending west into Japanese and Russian waters.

Habitat edit

Dironids live in various habitats, including the intertidal zone of rocky shores, bays and estuaries.

Life habits edit

Most species in this genus eat various species of bryozoans. Some also feed on hydroids and ascidians.[2]

Species edit

Species within this genus include:

Species brought into synonymy
  • Dirona aurantia Hurst, 1966: synonym of Dirona pellucida Volodchenko, 1941

References edit

  1. ^ MolluscaBase eds. (2021). MolluscaBase. Dirona MacFarland, 1905. Accessed through: World Register of Marine Species on 2021-01-18.
  2. ^ Behrens David W., 1980, Pacific Coast Nudibranchs: a guide to the opisthobranchs of the northeastern Pacific, Sea Challenger Books, California