Acanthocardia, Gray, 1851

Moussavou, Benjamin Musavu, 2015, Bivalves (Mollusca) from the Coniacian-Santonian Anguille Formation from Cap Esterias, Northern Gabon, with notes on paleoecology and paleobiogeography, Geodiversitas 37 (3), pp. 315-324 : 318

2. Acanthocardia cf. denticulata ( Baily, 1855) ( Fig. 4B )

DESCRIPTION

Shell medium, triangular in outline; umbo prosogyrate; valves weekly inflated; outer surface with radial ribs; anterior and posterior margins straight, ventral margin weakly rounded.

Figures

FIG. 4. — A, Q, Granocardium? sp. 2; B, Acanthocardia cf. denticulata (Baily, 1855); C, Granocardium productum (Sowerby, 1832); D, Granocardium sp. 1; E, Protocardia? sp.; F, H, L, P, Agelasina plenodonta Riedel, 1932; G, J, Protocardia cf. pauli (Coquand, 1862); I, Aphrodina dutrugei (Coquand, 1862); K, Atrina laticostata (Stoliczka,1871); M, Anofia? sp.; N, Plagiostoma pseudohoernesi (Riedel,1932); O, Aphrodina gabonensis Dartevelle & Freneix,1957.Scale bar:2 cm.