''Nannamoria'' is a small taxonomic
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of small-sized
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s,
predatory
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill th ...
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusc
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
s in the subfamily
Amoriinae
''Volutidae'', common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum.
Distribution
This family of sea snails a ...
of the family
Volutidae
''Volutidae'', common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum.
Distribution
This family of sea snails ...
, the volutes.
Distribution
''Nannamoria'' volutes are
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
. They are found on the east and southern coast, in deep water on the outer continental shelf.
Shell description
The shells of ''Nannamoria'' have a small blunt
protoconch
A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called ...
, their overall shape varies but most species have a shoulder with nodules or spines. The base colour of the shells of ''Nannamoria'' is white, and they are overlaid with brown axial lines.
Biology
These volutes live in very deep water and little is known about their live appearance or their biology.
[Bail P. & Limpus A. (2008). "A revision of the ''Nannamoria''". ''Visaya'' 2/3.]
Species
The genus ''Nannamoria'' includes the following species:
* ''
Nannamoria amicula''
Iredale, 1929
* ''
Nannamoria breviforma''
Bail & Limpus, 2008
* ''
Nannamoria bulbosa''
Bail & Limpus, 2008
* ''
Nannamoria gotoi
''Nannamoria gotoi'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Volutidae, the volutes.
References
* Poppe, G., 1992. New species and a new subspecies in Volutidae (Mollusca:Gastropoda). Malacolo ...
''
Poppe, 1992
* ''
Nannamoria inflata''
Bail & Limpus, 2008
* ''
Nannamoria inopinata''
Darragh, 1979
* ''
Nannamoria parabola''
Garrard, 1960
* ''
Nannamoria ranya''
Willan, 1995
References
* Bail, P.; Poppe, G.T. (2001). A conchological iconography: a taxonomic introduction of the recent Volutidae. ConchBooks, Hackenheim. 30 pp, 5 pl.
{{Taxonbar, from=Q6963811
Volutidae