''Theta'' 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
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 ...
mollusks in the
family Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". '' Malacologia'' 47(1-2). . 3 ...
.
Species
Species within the genus ''Theta'' include:
* ''
Theta baiocchii''
Nappo & Pellegrini, 2021
* ''
Theta chariessa
''Theta chariessa'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
In 1980 Bouchet & Warén brought this species into the genus ''Theta''.
;Subspecies:
* ''Theta chariessa aresta'' (Dall, 1889)
* ''Theta c ...
''
(Watson, 1881)
* ''
Theta lyronuclea
''Theta lyronuclea'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Description
The length of the shell attains 9.3 mm.
Distribution
This marine species occurs in the Atlantic Ocean off Madeira
) ...
''
(Clarke A.H., 1959)
* ''
Theta microcostellata''
Criscione, Hallan, Puillandre & Fedosov, 2021
* ''
Theta polita''
Criscione, Hallan, Puillandre & Fedosov, 2021
* ''
Theta spicea''
(Watson, 1881)
* ''
Theta vayssierei''
(Dautzenberg, 1925)
;Species brought into synonymy:
* ''Theta chrysoplex''
(Barnard, 1963): synonym of ''
Gymnobela chrysopelex''
(Barnard, 1963)
* ''Theta lanceata''
(Dall, 1927): synonym of ''
Gymnobela lanceata''
Dall, 1927
;Synonyms:
* ''Theta lanceata''
(Dall, 1927) : synonym of ''
Gymnobela lanceata''
Dall, 1927
References
* Clarke, A. H. (1959). New abyssal molluscs from off Bermuda collected by the Lamont Geological Observatory. Proceedings of the Malacological Society of London. 33(5): 231–238, pl. 13
* Bouchet, P. & Warén, A. (1980). Revision of the North-East Atlantic bathyal and abyssal Turridae (Mollusca: Gastropoda). Journal of Molluscan Studies. Suppl. 8: 1-119
* Spencer, H.; Marshall. B. (2009). ''All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia.'' 584 pp
* Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp
* 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
*
Worldwide Mollusc Species Data Base: RaphitomidaeCriscione, F.; Hallan, A.; Fedosov, A.; Puillandre, N. (2021). Deep Downunder: Integrative taxonomy of Austrobela, Spergo, Theta and Austrotheta (Gastropoda: Conoidea: Raphitomidae) from the deep sea of Australia. Journal of Zoological Systematics and Evolutionary Research. DOI 10.1111/jzs.12512.
Raphitomidae
{{Raphitomidae-stub