Collignoniceratidae Temporal range:
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Collignoniceras woolgari, from Bílá Hora, Prague, Czech Republic, at the National Museum (Prague) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ammonitida |
Superfamily: | †Acanthoceratoidea |
Family: | †Collignoniceratidae Wright & Wright, 1951 |
Subfamilies | |
See text |
Collignoniceratidae is a family of Upper Cretaceous ammonites characterized by typically more or less evolute shells with compressed, oval, or square whorl sections; serrate or entire keels; and dense ribs with one to 5 tubercles.