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{{Short description|Genus of gastropods}}
{{Taxobox
{{Automatic_taxobox
| name = ''Otukaia''
| image =
| image = Calliostoma kiheiziebisu shell.png
| image_caption = Apertural view of the [[gastropod shell|shell]] of ''[[Otukaia kiheiziebisu]]''
| image_caption =
| regnum = [[Animal]]ia
| taxon = Otukaia
| authority = [[Ikebe]], 1942<ref>[[Ikebe]] (1941) Venus '''11''': 60; Ikebe (1942) ''Jap. J. geol. geogr.'' '''18'''(4): 277.</ref><!-- 1942 from WoRMS versus 1941 and 1942 in Nomenclator Zoologicus -->
| phylum = [[Mollusca]]
| classis = [[Gastropoda]]
| unranked_ordo = clade [[Vetigastropoda]]
| subordo =
| superfamilia = [[Trochoidea (superfamily)|Trochoidea]]
⚫
| familia = [[Calliostomatidae]]
| genus = '''''Otukaia'''''
| genus_authority = Ikebe, 1942
| subdivision_ranks = Species
| subdivision_ranks = Species
| subdivision = See text.
| subdivision = ''See text''
| type_species = ''Calliostoma kiheiziebisu''
| type_species_authority = Otuka, 1939
}}
}}


'''''Otukaia''''' is a [[genus]] of medium-sized sea [[snail]]s, [[Marine (ocean)|marine]] [[gastropod]] [[mollusc]]s in the [[family (biology)|family]] [[Calliostomatidae]], the top shells. ''Otukaia'' has long been considered a subspecies of [[Calliostoma]] and is still treated as such by many authorities.
'''''Otukaia''''' is a [[genus]] of medium-sized [[sea snail]]s, which are [[Marine (ocean)|marine]] [[gastropod]] [[mollusc]]s in the [[family (biology)|family]] [[Calliostomatidae]], the top shells. ''Otukaia'' has long been considered a subgenus of [[Calliostoma]] and is still treated as such by many taxonomists.


Snails in this genus are characterized by their relatively large, silky-white, thin shell. They lack an [[Umbilicus (mollusc)|umbilicus]]. Their spiral [[Whorl (mollusc)|whorls]] are flat to slightly convex. The first three spiral cords can show some sculpture that may persist on later whorls. They have a rachidian [[radula]]. They can be found world-wide in deep water.
Snails in this genus are characterized by their relatively large, silky-white, thin shell, lacking an [[Umbilicus (mollusc)|umbilicus]]. Their spiral [[Whorl (mollusc)|whorls]] are flat to slightly convex, with the first three whorls sometimes displaying sculpture that may persist on later whorls. They possess a rachidian [[radula]]. These snails can be found worldwide in deep water.

Some authors consider ''Otukaia'' Ikebe, 1942, a subgenus of ''[[Calliostoma]]'' Swainson, 1840.<ref>WoRMS (2010). ''Otukaia'' Ikebe, 1942. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=456482 on 2010-04-22</ref>

The (sub)generic name ''Otukaia'' honors Japanese [[malacologist]] [[Yanosuke Otuka]] (1903–1950), who described the type species ''Calliostoma kiheiziebisu'' Otuka, 1939.<ref name="Otuka 1939">{{in lang|ja|en}} [[Yanosuke Otuka|Otuka Y.]] (1939). "日本産エビスガヒ屬の一新種 A new ''Calliostoma'' from Japan". ''Venus'' '''9'''(1): 27–29. [http://ci.nii.ac.jp/naid/110004758704/en/ CiNii].</ref>


== Species ==
== Species ==
The following species are accepted in the genus ''Otukaia'':<ref name="WoRMS">{{cite WoRMS|title=Otukaia|id=456482|accessdate=2019-01-09}}</ref>
* ''[[Otukaia blacki]]'' <small> Dell, 1956 </small>

* ''[[Otukaia eltanini]]''
* ''[[Otukaia ikukoae]]'' <small>Sakurai, 1994 </small>
* ''[[Otukaia beringensis]]'' <small>Tuskes & R. Clark, 2018</small>
* ''[[Otukaia rossica]]'' <small>(Dall,1919) </small> - Russian margarite
* ''[[Otukaia ikukoae]]'' <small>Sakurai, 1994</small>
* ''[[Otukaia kiheiziebisu]]'' <small>(Otuka, 1939)</small><ref>{{cite web |url=http://www.gastropods.com/Taxon_pages/Family_CALLIOSTOMATIDAE_CALLIOSTOMATINAE.shtml |title=Gastropods by Eddie Hardy &#124; Conchology |website=www.gastropods.com |access-date=16 June 2010}}</ref>

;Species brought into synonymy:
*''Otukaia blacki'' <small>Dell, 1956</small>, accepted as ''[[Maurea alertae]]'' <small>(B. A. Marshall, 1995)</small><ref name="WoRMS"/>
*''Otukaia chilena'' <small>(Rehder, 1971)</small>, accepted as ''[[Maurea chilena]]'' <small>(Rehder, 1971)</small>
*''Otukaia crustulum'' <small>Vilvens & Sellanes, 2006</small>,<ref>Vilvens & Sellanes (2006). ''[[The Nautilus (journal)|The Nautilus]]'' '''120'''(1): 15-20.</ref> accepted as ''[[Calliotropis crustulum]]'' <small>(Vilvens & Sellanes, 2006)</small>
*''Otukaia delli'' <small>McLean & Andrade, 1982</small>, accepted as ''[[Maurea delli]]'' <small>(McLean & Andrade, 1982)</small>
*''Otukaia eltanini'' <small>Dell, 1990</small>, accepted as ''[[Maurea eltanini]]'' <small>(Dell, 1990)</small>
*''Otukaia rossica'' <small>(Dall, 1919)</small>, accepted as ''[[Margarites rossicus]]'' <small>Dall, 1919</small>


==References==
==References==
{{Reflist}}
* [[Arthur William Baden Powell|Powell A. W. B.]], ''New Zealand Mollusca'', [[HarperCollins|William Collins Publishers Ltd]], Auckland, New Zealand 1979 ISBN 0-00-216906-1

* [http://www.molluscs.otago.ac.nz/index.html NZ Mollusca]
{{Taxonbar|from=Q3503451}}


⚫
[[Category:Otukaia| ]]
[[Category:Calliostomatidae]]
[[Category:Calliostomatidae]]
[[Category:Molluscs of Japan]]
[[Category:Gastropods of New Zealand]]


{{Gastropod-stub}}


⚫
{{Calliostomatidae-stub}}
⚫
[[cs:Otukaia]]

Latest revision as of 05:03, 3 October 2024

Otukaia
Apertural view of the shell of Otukaia kiheiziebisu
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Otukaia
Ikebe, 1942[1]
Type species
Calliostoma kiheiziebisu
Otuka, 1939
Species

See text

Otukaia is a genus of medium-sized sea snails, which are marine gastropod molluscs in the family Calliostomatidae, the top shells. Otukaia has long been considered a subgenus of Calliostoma and is still treated as such by many taxonomists.

Snails in this genus are characterized by their relatively large, silky-white, thin shell, lacking an umbilicus. Their spiral whorls are flat to slightly convex, with the first three whorls sometimes displaying sculpture that may persist on later whorls. They possess a rachidian radula. These snails can be found worldwide in deep water.

Some authors consider Otukaia Ikebe, 1942, a subgenus of Calliostoma Swainson, 1840.[2]

The (sub)generic name Otukaia honors Japanese malacologist Yanosuke Otuka (1903–1950), who described the type species Calliostoma kiheiziebisu Otuka, 1939.[3]

Species

[edit]

The following species are accepted in the genus Otukaia:[4]

Species brought into synonymy

References

[edit]
  1. ^ Ikebe (1941) Venus 11: 60; Ikebe (1942) Jap. J. geol. geogr. 18(4): 277.
  2. ^ WoRMS (2010). Otukaia Ikebe, 1942. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=456482 on 2010-04-22
  3. ^ (in Japanese and English) Otuka Y. (1939). "日本産エビスガヒ屬の一新種 A new Calliostoma from Japan". Venus 9(1): 27–29. CiNii.
  4. ^ a b "Otukaia". WoRMS. World Register of Marine Species. Retrieved 2019-01-09.
  5. ^ "Gastropods by Eddie Hardy | Conchology". www.gastropods.com. Retrieved 16 June 2010.
  6. ^ Vilvens & Sellanes (2006). The Nautilus 120(1): 15-20.


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