Abstract

ABSTRACT Three adult specimens of the rare lower Oxfordian ammonite species Protophites insociale (Bukowski) are described from two sections of southern Poland, Ogrodzieniec and Zalas. Based on their globular phragmocone, geniculate body chamber, suture line, looped ribs, and age, they have been included in the Pachyceratidae. In the present study Protophites (microconch) and Tornquistes (macroconch) are considered as a sexual dimorphic pair.

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