Praeschuleridea cf. subtrigona (Jones & Sherborn, 1888)

Fig. 11: 13, 14

Material .

4 C, 5 RV, 13 LV in samples Ro19-1-5.

Occurrence.

Upper Aalenian, Concavum Zone; SW Germany.

Remark.

The specimens from the Roschbach section closely resemble Praeschuleridea subtrigona from the Upper Bajocian to Upper Callovian. It is only tentatively placed in this species because of the remarkable difference in age.