''Tomellana'' 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 ...
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 Clavatulidae.
[Bouchet, P. (2015). Tomellana. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=578159 on 2016-04-13]
''Tomellana'' is a replacement name for ''Tomella'' Swainson, 1840, a junior homonym of ''Tomella''
Robineau-Desvoidy, 1830 (order
Diptera
Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced ...
)
Description
The smooth and shining shell has a fusiform shape. The
spire consists of 10 - 11
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 ...
s and is not much longer than the
body whorl
The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk.
In gastropods
In gastropods, the b ...
. The first 1½ whorls are smooth and translucent. The width of the whorls increase slowly into becoming a bulging body whorl. The whorls are separated by a simple suture. The
aperture is oval. The inner
lip shows a thick callosity at the top. The
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ...
is short and wide.
Hermann Strebel, ''Bemerkungen zu den Clavatula-Gruppen Perrona und Tomella''; Hamburg :Kommissionsverlag von L. Gräfe & Sillem,1912.
/ref>
Species
* † '' Tomellana aueri'' Harzhauser, Landau & R. Janssen, 2022
* † '' Tomellana dulaii'' Harzhauser, Landau & R. Janssen, 2022
* ''Tomellana hupferi
''Tomellana hupferi'' is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.Gofas, S. (2015). Tomellana hupferi. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecie ...
'' Strebel, 1912
* † '' Tomellana jouannetii'' (Des Moulins, 1842)
* '' Tomellana leschkei'' (Strebel, 1912)
* '' Tomellana lineata'' (Lamarck, 1818)
* † '' Tomellana praecursor'' (Schaffer, 1912)
* † '' Tomellana semimarginata'' (Lamarck, 1822)
;Species brought into synonymy:
* ''Tomellana pfefferi'' (Strebel, 1912): synonym of ''Fusiturris pfefferi
''Fusiturris pfefferi'' is a species of sea snail, a marine gastropod mollusk in the family Fusiturridae.Bouchet, P. (2016). Fusiturris pfefferi (Strebel, 1912). In: MolluscaBase (2016). Accessed through: World Register of Marine Species at ...
'' (Strebel, 1912)
References
* Wenz, W. (1938-1944). Gastropoda. Teil 1: Allgemeiner Teil und Prosobranchia. xii + 1639 pp. In: Schindewolf, O.H. (Ed.) Handbuch der Paläozoologie, Band 6. Bornträger, Berlin. Lief. 1, 1-240
External links
*
William Swainson. ''A Treatise on Malacology or Shells and Shellflsh'' 1840, pag.314; London, Longman. viii + 419 pp
*
Nolf F. (2015). ''The genus Tomellana (Mollusca: Gastropoda: Clavatulidae) in West Africa: a comprehensive Survey and establishment of Fusiturris kribiensis Bozzetti, 2015 as a junior synonym''. Neptunea. 13(4): 17-37
Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). A new operational classification of the Conoidea (Gastropoda). Journal of Molluscan Studies. 77(3): 273-308
Harzhauser, M.; Landau, B.; Janssen, R. (2022). The Clavatulidae (Gastropoda, Conoidea) of the Miocene Paratethys Sea with considerations on fossil and extant Clavatulidae genera. Zootaxa. 5123(1): 1-172
{{Taxonbar, from=Q7818796