''Angaria melanacantha'',

common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often con ...

the black-tankard angaria, 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), ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, 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 ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

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 ...

Angariidae ''Angaria'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Angariidae. ''Angaria'' is the only genus in the family Angariidae. Taxonomy According to the Taxonomy of the Gastropoda (Bouchet ...

Description

The shell can grow to be 35 mm to 95 mm in length.

Distribution

''Angaria melanacantha'' can be found off the

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

and

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

References

* MacDonald & Co (1979). ''The MacDonald Encyclopedia of Shells''. MacDonald & Co. London & Sydney.

External References

* Poppe G.T. & Goto Y. (1993) Recent Angariidae. Ancona: Informatore Piceno. 32 pls, 10 pls. Angariidae Gastropods described in 1842 {{Angariidae-stub