Micromelo Guamensis
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''Micromelo guamensis'',
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 Guam paper bubble, is a species of
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 bubble snail, a marine
opisthobranch Opisthobranchs () is a now informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to represent a monophyletic grouping. Euopistho ...
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
Aplustridae The Aplustridae is a Taxonomy (biology), taxonomic family (biology), family of sea snails or bubble snails, Marine (ocean), marine gastropod mollusks in the superfamily Acteonoidea. The former name of this family, Hydatinidae (Pilsbry, 1893) has ...
.


Description

This species has a white shell with black to brownish wavy longitudinal bands. It may in fact be the same species as '' Micromelo undatus'', but it has traditionally been considered to be an Indo-West Pacific species. The shell is too small to hold the whole body, which has a green mantle with white spots and yellowish margins. The length is 10 to 12 mm.


Habitat

This species is found in shallow water, crawling on
alga Algae ( , ; : alga ) is an informal term for any organisms of a large and diverse group of photosynthetic organisms that are not plants, and includes species from multiple distinct clades. Such organisms range from unicellular microalgae, suc ...
e-covered rocks.


Distribution

This species occurs in
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, and the west coast of
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
.


References


External links


Photo of shell
Aplustridae Gastropods described in 1825 {{Aplustridae-stub