ammonites
Polonoconchus Zaton and Krawczynski 2011 (mollusk)

Tentaculita - Microconchida

Parent taxon: Microconchida according to M. Zaton and W. Krawczynski 2011

Sister taxa: Helicoconchus, Microconchus, Palaeoconchus, Punctaconchus

Subtaxa: none

Ecology: stationary semi-infaunal suspension feeder