Animalia > Mollusca > Cephalopoda > Placenticeratidae

Placenticeratidae

Synonyms: Hypengonoceratidae

Wikipedia Abstract

Placenticeratidae is an extinct family of mostly Late Cretaceous ammonites (cephalopod order Ammonitida) included in the superfamily Hoplitaceae, derived from the Engonoceratidae by an increase in suture complexity.
View Wikipedia Record: Placenticeratidae

Genus

Gissarites (2)
Hoplitoplacenticeras (15)
Metaplacenticeras (5)
Placenticeras (20)
Proplacenticeras (2)
Stantonoceras (1)

(...) = Species count

External References

Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0