''Austrodrillia'' is a
genus of
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, marine
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 ...
mollusks in the
family Horaiclavidae
Horaiclavidae is a family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
In 2011 this family was split off from the family Pseudomelatomidae (formerly the subfamily Crassispirinae McLean, 1971) by Bouchet P., Ka ...
.
[Bouchet, P. (2011). Austrodrillia Hedley, 1918. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=432408 on 2012-07-05]
It was previously categorized within
Crassispirinae
Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) and part of the Neogastropoda ( Bouchet & Rocroi, 2005).
In 1995 Kantor elevated the subfamily Pseudomelatomina ...
,
Turridae
Turridae is a taxonomic family name for a number of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. MolluscaBase (2018). Turridae H. Adams & A. Adams, 1853 (1838). Accessed through: World Register of Marine Specie ...
.
Description
The small shell is very solid, subcylindrical or claviform. The
sculpture consists of nodose ribs that do not attain the suture, and fine spiral threads which are most dense at the summit of the
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane floral ...
. There is no epidermis. The
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 ...
consists of two smooth and elevate whorls. The
aperture is wide, without varix or internal armature. The outer
lip is simple. The wide sinus is U-shaped, its right margin resting on a massive insertion callus. The fasciole is indistinguishable.
Distribution
This marine genus occurs off
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 ...
and
New Zealand. One species is found in the
Atlantic Ocean off
St. Helena.
Species
Species within the genus ''Austrodrillia'' include:
* ''
Austrodrillia agrestis''
(Verco, 1909)
* ''
Austrodrillia albobalteata''
(E. A. Smith, 1890)
* ''
Austrodrillia angasi''
(Crosse, 1863)
* ''
Austrodrillia beraudiana''
(Crosse, 1863)
* ''
Austrodrillia dimidiata''
(Sowerby III, 1896)
* ''
Austrodrillia hinomotoensis''
Kuroda, Habe & Oyama, 1971
* ''
Austrodrillia rawitensis''
Hedley, 1922
* ''
Austrodrillia saxea''
(Sowerby III, 1896)
* ''
Austrodrillia secunda''
Powell, 1965
* ''
Austrodrillia sola''
Powell, 1942
* ''
Austrodrillia subplicata''
(Verco, 1909)
;Species brought into synonymy:
* ''Austrodrillia achatina''
Verco, J.C., 1909: synonym of ''
Austrodrillia dimidiata''
(Sowerby III, 1896)
* † ''Austrodrillia alpha''
L. C. King, 1933: synonym of † ''
Aoteadrillia alpha
''Aoteadrillia alpha'' is an extinct species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.Marshall, B. (2015). Aoteadrillia alpha (L. C. King, 1933) †. In: MolluscaBase (2015). Accessed through: World Register of Mari ...
''
(L. C. King, 1933)
* ''Austrodrillia burnupi''
(Sowerby III, 1897): synonym of ''
Tylotiella burnupi''
(Sowerby III, 1897)
* † ''Austrodrillia cinctuta''
Marwick, 1929: synonym of † ''
Mauidrillia clavicula''
Powell, 1942
* † ''Austrodrillia consequens''
C.R. Laws, 1936: synonym of † ''
Aoteadrillia consequens
''Aoteadrillia consequens'' is an extinct species of sea snail, a marine gastropod mollusk in the family Horaiclavidae
Horaiclavidae is a family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
In 2011 this ...
''
(Laws, 1936)
* † ''Austrodrillia koruahinensis''
Bartrum & Powell, 1928: synonym of † ''
Splendrillia koruahinensis''
(Bartrum & Powell, 1928)
* ''Austrodrillia hottentota''
(E. A. Smith, 1882): synonym of ''
Tylotiella hottentota''
(E. A. Smith, 1882)
* ''Austrodrillia nenia''
(Hedley, 1903): synonym of ''
Splendrillia nenia''
(Hedley, 1903)
* ''Austrodrillia praetermissa''
(E. A. Smith, 1904): synonym of ''
Naudedrillia praetermissa''
(E. A. Smith, 1904)
* ''Austrodrillia woodsi''
(Beddome, 1883):
synonym of ''
Splendrillia woodsi
''Splendrillia woodsi'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.Bouchet, P. (2014). Splendrillia woodsi. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=tax ...
''
(Beddome, 1883)
References
* Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) ''A new operational classification of the Conoidea''. Journal of Molluscan Studies 77: 273-308.
External links
Tucker, J.K. 2004 ''Catalog of recent and fossil turrids (Mollusca: Gastropoda)''. Zootaxa 682:1-1295
Specimen at MNHN, Paris
{{Taxonbar, from=Q3173663
Horaiclavidae
Gastropod genera