Trigonia? sp.

Plate 4, fig. 8

Material.

A single right internal mould from the top of the Ferruginous Oolite Formation at Zangla (SNSB-BSPG 2020 XCIX 24).

Description and remarks.

The internal mould shows the typical commarginal ribs of the flank and a weak sulcus anterior of the marginal carina. As no information about the area is available, it cannot be decided whether the specimen belongs to Trigonia s.s. or to the genus Indotrigonia .