IBERGIRHYNCHIA CONTRARIA (F. A. ROEMER, 1850), AN EARLY CARBONIFEROUS SEEP–RELATED RHYNCHONELLIDE BRACHIOPOD FROM THE HARZ MOUNTAINS, GERMANY—A POSSIBLE SUCCESSOR TO DZIEDUSZYCKIA?
IBERGIRHYNCHIA CONTRARIA (F. A. ROEMER, 1850), AN EARLY CARBONIFEROUS SEEP–RELATED RHYNCHONELLIDE BRACHIOPOD FROM THE HARZ MOUNTAINS, GERMANY—A POSSIBLE SUCCESSOR TO DZIEDUSZYCKIA?(English)