Onchidina
Encyclopedia
Onchidina is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of air-breathing sea slug
Slug
Slug is a common name that is normally applied to any gastropod mollusc that lacks a shell, has a very reduced shell, or has a small internal shell...

s, a shell-less marine
Marine (ocean)
Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 pulmonate gastropod mollusks in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Onchidiidae
Onchidiidae
Onchidiidae are a family of small, air-breathing sea slugs. They are shell-less marine pulmonate gastropod molluscs. Onchidiidae is the only family within the superfamily Onchidioidea....

.

Species

Species within the genus Onchidina include:
  • Onchidina australis
    Onchidina australis
    Onchidina australis is a species of air-breathing sea slug, a shell-less marine pulmonate gastropod mollusk in the family Onchidiidae....

    J.E. Gray in Semper, 1885
  • Onchidina guineensis
    Onchidina guineensis
    Onchidina guineensis is a species of air-breathing sea slug, a shell-less marine pulmonate gastropod mollusk in the family Onchidiidae....

    (Labbé, 1934)
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