''Clanculus jussieui'' is a
species 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 ...
, a 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 ...
mollusk in the
family Trochidae, the top snails.
The species was named in honor of M.
Adrien-Henri de Jussieu, "professeur au Jardin du Roi."
Description
The height of the shell attains 11 mm, its diameter 14 mm. The umbilicate shell has a depressed-globose conic shape. It is, polished, shining, blackish, olive or purplish brown, unicolored, dotted or tessellated with white, often with short flames of white beneath the
sutures and always more or less marked with white around the
umbilicus . The
spire is conical. The sutures are simple and impressed. The 5 to 6
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 are convex. The upper surface is marked with obsolete, frequently almost imperceptible line, the interstices between them finely spirally striate. The base of the shell is smoother, and lightly concentrically marked around the center. The
aperture is rounded. The outer and basal margins are crenulated within. The
columella bears a small tooth above and below, concave between them, deeply entering the umbilicus, but inserted on its edge. The umbilicus is rather deep, smooth within and bordered by an irregularly crenulated rib.
Distribution
THis species occurs in the
Mediterranean Sea and in the Atlantic Ocean off
Portugal.
References
* Payraudeau B. C., 1826: ''Catalogue descriptif et méthodique des Annelides et des Mollusques de l'île de Corse'', Paris pp. 218 + 8 pl.
* Risso A., 1826–1827: ''Histoire naturelle des principales productions de l'Europe Méridionale et particulièrement de celles des environs de Nice et des Alpes Maritimes''; Paris, Levrault
* Cantraine, 1842: ''Diagnoses de quelques espèces nouvelles de coquilles soit natives soit fossiles, appartenant au bassin méditerranéen''; Bulletins de l'Académie Royale des Sciences et Belles-lettres de Bruxelles 9(2): 340–349
* Philippi R. A., 1844: ''Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2''; Eduard Anton, Halle
alis Saxorum
Alis may refer to:
People
* Alis (given name)
* Román Alís (1931–2006), Spanish composer
* Abdulla Aliş (1908–1944), Soviet writer
Places
* Alis, Greece
* Alis District, Yauyos, Lima, Peru
Other uses
* Alternate lighting of surfaces ...
iv + 303 p., pl. 13-28
* Monterosato T. A. (di), 1880: ''Notizie intorno ad alcune conchiglie delle coste d'Africa'' ; Bullettino della Società Malacologica Italiana, Pisa 5: 213–233. (1879)
* Monterosato T. A. (di), 1889 (1 gennaio): ''Coquilles marines marocaines''; Journal de Conchyliologie 7 (1): 20–40 7 (2): 112–121
* Pallary P., 1900: ''Coquilles marines du littoral du Département d'Oran''; Journal de Conchyliologie 48 (3): 211–422, pl. 6-8
* Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213
External links
*
{{DEFAULTSORT:Clanculus jussieui
jussieui
Gastropods described in 1826