Littoral to infralittoral, in fine sediments.
Original taxon: Cardium fragile.
Synonyms: deshayesianum, fornasinianum Bianconi, 1856.
Above and below: beachstormed on sand, Kiryat Yam, Haifa, W. Israel. 27-32mm.
« Shell somewhat obliquely ovate, depressed, thin, papyraceous ; radiately ribbed, ribs seven and twenty in number, smooth, or obsoletely tuberculated ; white. »
L. A. Reeve: Conchologia iconica vol. II, London 1843.Same spot: 35-43mm.
CIESM lists differences with Fulvia australis (Sowerby, 1834): few traces of a weak periostracum, no scales posteriorly; internally white with purple instead of yellow or light pink. Also, the species is larger (up to 75mm vs. 35mm).
Red Sea to South Africa, to W. Pacific. Far eastern Mediterranean.
On sand at low tide, Tanguisson Point, Guam. 22,5mm.
Mem. R. Accad. Sci. Ist. Bologna, t. 7, Bologna 1856, via BHL.
« Cardium, testa obliqua cordata, tenui, antice producta vix hiante, plicis numerosis verticalibus latere antico angulatis ciliatis. Conchylium exiguum subpellucidum , cordiforme, inaequivalve , inflatum. Ante procedit labio expanso at minime aperto ; et loco aperturae pertenuem rimam praesefert. Postice et inferne rotundatum. Vertices sibi invicem ad contactum accedunt, et lunulae superstant mediocri, et inaequaliter cordiformi. […] Triginta quatuor levissimae costae ex vertice descendunt, quas plicas potius diceres antrorsum adflexae, versus hanc partem anteriorem angulum acutum habent, ex quo plica descendit levissime retrorsum usque dum perveniat ad elationem proximae plicae… »
