''Microgaza'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
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 ...
s,
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 ...
s 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 ...
Solariellidae
Solariellidae is a family (biology), family of small sea snails, marine (ocean), marine gastropod mollusks in the superfamily Trochoidea (superfamily), Trochoidea (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), taxonomy of ...
.
Description
The flattened shell is rotelliform, resembling a species from the genus
Gaza without the reflected
lip
The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...
or umbilical callus. The shell is brilliantly nacreous when fresh. It has a distinctly scalariform
umbilicus.
Species
Species within the genus ''Microgaza'' include:
* † ''
Microgaza bailyi''
(Gabb, 1861)
* ''
Microgaza rotella''
Dall, 1881
* ''
Microgaza vetula''
Woodring, 1928
;Species brought into synonymy:
* ''Microgaza alabida''
(Marshall, 1979) accepted as ''
Archiminolia alabida''
(B. A. Marshall, 1979)
* ''Microgaza corona''
Lee Y.C. & Wu W.L., 2001: synonym of ''
Elaphriella corona''
(Y.-C. Lee & W.-L. Wu, 2001) (original combination)
* ''Microgaza dawsoni'' (
Marshall, 1979) accepted as ''
Archiminolia dawsoni''
(B. A. Marshall, 1979)
* ''Microgaza fulgens''
Dall, 1907: synonym of ''
Ilanga fulgens''
(Dall, 1907)
* ''Microgaza gotoi''
Poppe, Tagaro & Dekker, 2006: synonym of ''
Ilanga gotoi
''Ilanga gotoi'' is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.
Original description
The length of the shell varies between 7 mm and 19 mm. (of Microgaza gotoi Poppe, Tagaro & Dekker, 2006) Poppe G.T ...
''
(Poppe, Tagaro & Dekker, 2006)
* ''Microgaza hurleyi''
(Marshall, 1979) accepted as ''
Archiminolia hurleyi''
(B. A. Marshall, 1979)
* ''Microgaza inornata''
Quinn, 1979: synonym of ''Microgaza rotella inornata''
Quinn, 1979
* ''Microgaza iridescens''
(Habe, 1968): synonym of ''
Archiminolia iridescens''
(Habe, 1961)
* ''Microgaza katoi''
(Kuroda & Habe, 1961): synonym of ''
Archiminolia katoi''
(Kuroda & Habe, 1961)
* ''Microgaza konos''
Vilvens, 2009: synonym of ''
Ilanga konos''
(Vilvens, 2009) (original combination)
* ''Microgaza navakaensis''
Ladd, 1982: synonym of
Ilanga navakaensis (Ladd, 1982) (original combination)
* ''Microgaza norfolkensis''
Marshall, 1999;
synonym of ''
Ilanga norfolkensis''
(B. A. Marshall, 1999)
* ''Microgaza opalina''
(Shikama & Hayashi, 1977): synonym of ''
Elaphriella opalina''
(Shikama & Hayashi, 1977) (original combination)
* ''Microgaza ziczac''
Kuroda & Habe, 1971: synonym of ''
Archiminolia ziczac''
(Kuroda & Habe, 1971)
References
* Williams S.T., Karube S. & Ozawa T. (2008) ''Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined''. Zoologica Scripta 37: 483–506
External links
W.H. Dall (1881), ''Preliminary Report of dredgings by USS Blake''; Bulletin of the Museum of Comparative Zoology at Harvard College v. 9 pp. 1–144
Solariellidae
{{Solariellidae-stub