Procytherura sp. 5

Fig . 10: 14

Material .

1C, 1 RV in samples He19-24-25.

Occurrence.

Upper Aalenian, Concavum Zone; SW Germany.

Description.

Very small, subtriangular outline in lateral view. Lateral surface weakly ornamented by two fine longitudinal ribs delimiting a spindle-shaped field, posteriorly rounded and anteriorly pointed. Parallel to the anterior margin there is a third, also very fine rib. Another middorsal-midanterior rib halves the acute-angled triangular field between the frontal rib and the upper longitudinal rib.