Diagnoza

Protoconch with an apical row of nodes; sculptured with very oblique sutures, the last coil covering more than half of the total height; concavity under the apical suture; growth lines sigmoidally curved; inner lip of the mouth somewhat inversely in the columellar area.

Porównanie

Similar in the overall morphology of the shell to Pommerozygia, Azyga and Zygopleura? jurassica.

Autekologia

Występowanie geograficzne

Althüttendorf (Germany) and the Chrząszczewska Island (Poland)

Zasięg czasowy

Mid Jurassic (Callovian)

Materiały muzealne

52 specimens (SMNS and St. Schneider Collection, Berlin).

Literatura

Gründel, J. 1998a. Archaeo− und Caenogastropoda aus dem Dogger Deutschlands und Nordpolens. Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) 260, 1–39.