- †Ammonoidea Order: †Ammonitida Family: †Perisphinctidae Subfamily: †
Perisphinctinae Genus: †Perisphinctes Waagen, 1869 Type
species Ammonites variocostatus...
- class:
Cephalopoda Subclass: †Ammonoidea Order: †Ammonitida Family: †Perisphinctidae Subfamily: †
Perisphinctinae Genus: †Alligaticeras Buckman, 1923...
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subfamilies Leptosphinctinae, Zigzagiceratinae, Pseudoperisphincinae,
Perisphinctinae, Aataxioceratinae, Pictoniinae, Aulocostephaninae, Virgostephaninae...