Brachytrematidae? gen. and sp. indet.

Plate 8: fig. 5

Material.

1 specimen, Saal, SNSB-BSPG 2016 XXI 1781.

Description.

Shell turbiniform, 29 mm high, only partly preserved; whorls convex with numerous spiral cords and widely spaced axial ribs; first recognizable sculpture consists of edge directly above abapical suture; several weak spiral cords and axial ribs between edge and abapical suture; in the course of ontogeny, a spiral cord above edge and a weakly tubercular spiral cord appears between both; several spiral cords between edge and abapical suture; axial ribs become bulging and form rounded nodes at intersections with edge and several spiral cords on both sides of edge; adapical end of ribs thickened, node-like; some axial ribs thickened, varix-like; faint spiral lirae (that cannot be seen in detail due to preservation) between adapical suture and edge; spiral cord at border to base nodular; base slightly convex, with remains of spiral cords but shell largely chipped off so that only steinkern is exposed there.