Aphrodina dutrugei ( Coquand, 1862 )

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 : 319

10. Aphrodina dutrugei ( Coquand, 1862) ( Fig. 4I )

DESCRIPTION

Shell medium to large, equivalve, inequilateral, subtrigonal in outline; umbo prosogyrate; valve inflated; anterior margin slightly rostrate, rounded in outline; posterior margin evenly rounded, passing smoothly into the weakly convex ventral margin, no ornament preserved.

11. Aphrodina gabonensis Dartevelle & Freneix, 1957 ( Fig. 4O )

DESCRIPTION

Shell large, equivalve, inequilateral, subtrigonal in outline; umbo prosogyrate; valves slightly inflated; outer surface with concentric fine line; anterior margin slightly rounded; posterior margin curved.

Familly PINNIDAE Leach, 1819

12. Atrina laticostata (Stoliczka, 1871) ( Fig. 4K )

DESCRIPTION

Shell large,equivalve, inequilateral,elongate triangular in outline; umbo breacked; outer line with radial ribs; anterior and posterior margins straight; ventral margin straight to slightly round.

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.