(Pennant, 1777)

Description (shell):
Shell pyramidal, flat-sided, apex pointed; taller than broad. It may be distinguished from Jujubinus striatus by more nodular ornamentation to the spiral ridges, which are fewer in number (4-5 compared with 8-9) on the upper part of the body whorl.

Size:
Up to 8 x 7 mm.

Colour:
Varies: background may be pale brown, reddish or greenish; white areas may occur on spiral ridges and nearly always there are blotches of carmine, which often form alternating red and white stripes on the whole shell.

Animal:
Much as in other Gibbula species. Lacks mid-ventral fold on snout; margins of cephalic lappets are lobed. The three pairs of epipodial tentacles have each a basal sense organ. Snout and sides of foot are brown, its sole cream, like neck lobes and cephalic lappets.

Habitat and Distribution:
Has similar distribution and habitat as Jujubinus striatus but is less common.

Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Subclass Prosobranchia
Superorder Archaeogastropoda
Order Vetigastropoda
Superfamily Scissurelloidea
Family Trochidae
Genus Jujubinus
Species Jujubinus exasperatus

Status in World Register of Marine Species

Accepted name: Jujubinus exasperatus (Pennant, 1777)

Scientific synonyms and common names

Trochus exasperatus Pennant, 1777
Trochus minutus Chemnitz, 1781
Trochus erythroleucos Gmelin, 1791
Trochus exiguus Pulteney, 1799
Trochus strigilatus Renier, 1804
Trochus punctatus Renier, 1804
Trochus pyramidatus Lamarck, 1822
Trochus tricolor Risso, 1826
Trochus vulgaris Risso, 1826
Trochus matoni Payraudeau, 1826
Trochus elegans de Blainville, 1830
Trochus dejacobi Aradas, 1841
Jujubinus striatus var. monterosatoi B.D.D., 1884
Jujubinus corallinus Monterosato, 1884
Trochus exasperatus var. excavata Monterosato, 1890 non Trochus excavatus Lamarck, 1822 non Trochus excavatus Brongniart, 1823
Trochus socius Fischer P., 1895
Jujubinus igneus Sturany, 1896
Jujubinus istrianus Coen, 1934
Jujubinus mixtus Ghisotti & Melone, 1975 ; Ghisotti & Melone, 1975 ex Monterosato ms.
Trochus exasperatus Pennant, 1777
Trochus minutus Chemnitz, 1781
Trochus erythroleucos Gmelin, 1791
Trochus exiguus Pulteney, 1799
Trochus strigilatus Renier, 1804
Trochus punctatus Renier, 1804
Trochus pyramidatus Lamarck, 1822
Trochus tricolor Risso, 1826
Trochus vulgaris Risso, 1826
Trochus matoni Payraudeau, 1826
Trochus elegans de Blainville, 1830
Trochus dejacobi Aradas, 1841
Jujubinus striatus var. monterosatoi B.D.D., 1884
Jujubinus corallinus Monterosato, 1884
Trochus exasperatus var. excavata Monterosato, 1890 non Trochus excavatus Lamarck, 1822 non Trochus excavatus Brongniart, 1823
Trochus socius Fischer P., 1895
Jujubinus igneus Sturany, 1896
Jujubinus istrianus Coen, 1934
Jujubinus mixtus Ghisotti & Melone, 1975 ; Ghisotti & Melone, 1975 ex Monterosato ms.
Cantharidus exasperatus

Graham, Alastair F.R.S., 1988. Molluscs: Prosobranch and Pyramidellid Gastropods. Synopses of the British fauna (NS), 2: 1-662.

Hayward, P.J., Wigham, G.D. & N. Yonow, 1990. Mollusca I: Polyplacophora, Scaphopoda, and Gastropoda. In: The Marine Fauna of the British Isles and North-West Europe. (ed. P.J. Hayward & J.S. Ryland). Clarendon Press, Oxford: 628-730.

Poppe, G.T. & Y. Goto, 1991. European Seashells. Vol. I. 352 pp. Wiesbaden/Verlag Christa Hemmen.

Seaward, D.R., 1990. Distribution of the marine molluscs of north west Europe. Nature Conservancy Council.

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