? Aphelocythere sp. 1

Fig. 7: 7, Fig. 11: 9

Material.

2 C, 5 RV, 1 LV in samples G08Fr, G12 Fr, G13Fr, He19-6, He19-26-28.

Occurrence.

Lower to Upper Aalenian, Opalinum to Concavum zones; SW Germany.

Description.

Very small, subrectangular. Anterior margin rounded with extremity slightly below mid-height; posterior margin rounded, apex above mid-height. Cardinal angles rounded in both valves, slightly more pronounced in left valve. Dorsal margin straight, ventral margin slightly convex. The shell surface is smooth, with a number of pits, which are difficult to recognize due to bad preservation. Internal details not observed.