Collignoniceratidae

Collignoniceratidae
Temporal range: Upper Cretaceous
Collignoniceras woolgari, from Bílá Hora, Prague, Czech Republic, at the National Museum (Prague)
Scientific classification
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.

Taxonomy

This family, named by Wright and Wright in 1951, is divided into four subfamilies; Collignoniceratinae, Barroisiceratinae, Peroniceratinae, and Texanitinae. The family is included in the large ammonitid superfamily Acanthoceratoidea which lasted until the end of the Cretaceous.

The Collignoniceratidae are derived from the Acanthoceratidae, first appearing early in the Turonian (early U Cret) and lasting until the mid Campanian (late U Cret), a span of some 20 million years

Collignoniceratidae Wright & Wright, 1951 (synonyms - Prionocyclidae Breistroffer, 1947; Prionotropidae Zittel, 1865)

References

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