Open Access

Fig. 16


Download original image

Beaussetithyris asymmetrica nov. sp. from the Early Santonian of Les Martigues (Basse-Provence, SE France). A–D. Paratype MNHN.F.A59948, dorsal (A), lateral (B), ventral (C) views; note the step-like asymmetrical anterior commissure (D). E–G. Adult specimen MNHN.F.A59947 with a shape intermediate between monoplicate anterior margin and translatory motion of the anterior margin on one side (sub-asymmetrical shape). H–J. Adult specimen MNHN.F.A70645 with a strong shifted anterior margin but with a slight translatory motion of the anterior margin. Scale bars = 5 mm. Photographs: P. Loubry.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.