Trapania Armilla
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''Trapania armilla'' is a
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...
, a
dorid ''Doridacea'' is a taxonomic grouping of dorid nudibranchs, shell-less marine gastropod mollusks.Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdes A. & Warén A. 2005''Classification and nomenclator of gastropod familie ...
nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...
, a marine
gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
in the
family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Goniodorididae Goniodorididae are a taxonomic family of sea slugs, specifically dorid nudibranchs, marine gastropod molluscs in the order Opisthobranchia. Subfamilies * Anculinae * Goniodorinae Genera Genera in the family Goniodorididae include: * '' Anc ...
.


Distribution

This species was first described from
Bali Bali (English:; Balinese language, Balinese: ) is a Provinces of Indonesia, province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller o ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...
.Rudman, W.B., 2008 (March 10) ''Trapania armilla'' Gosliner & Fahey, 2008. [In
/nowiki> Sea Slug Forum. Australian Museum, Sydney.">n">Rudman, W.B., 2008 (March 10) ''Trapania armilla'' Gosliner & Fahey, 2008. [In
/nowiki> Sea Slug Forum. Australian Museum, Sydney./ref>


Description

This goniodorid nudibranch is opaque white in colour, with a thin brown ring halfway along the oral tentacles. The gills are unusually large for a ''Trapania'' and the body is covered with raised irregular bumps.


Ecology

''Trapania armilla'' probably feeds on Entoprocta, which often grow on sponges and other living substrata.


References

{{Taxonbar, from=Q14500339 Goniodorididae Gastropods described in 2008