Sactoceras  sp. ex gr. Orthoceras cuvieri BARRANDE, 1868 . ,Erratic boulders of Beyrichicnkalk, Pri'idolian, Poland

1. Phragornocone fragment in external view , ZPAL N/802; Mochty by Warsaw; note fine longitudinal striation .

2. Medial section through a phrugmocone, Z PA L N/80 1: Garcz by Kartuzy.

Sactoceras  sp. ex gr. Orthoceras cuvieri (BARRANDE. 1868); ZPALN/801, erratic boulder of the Beyrichienkalk, Pfidolian, Garcz by Kartuzy, Pomerania; 

a. Reconstruction o fa fragment of the phragmocone;

b. section through the siphuncle.