Parahoplitidae is an extinct family of

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

ammonites Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

with stoutly ribbed, compressed, generally involute shells lacking or with only minor tubercles included in the Deshayestoidea, a superfamily now separated from the Hoplitacaceae.

Subfamilies and genera

The family contains two subfamilies and eight genera.The Paleobiology Database
/ref> * Deshayesitinae Stoyanow, 1949 ** '' Deshayesites'' Kazansky, 1914 ** ''

Dufrenoyia ''Dufrenoyia'' is an extinct genus of Cretaceous Ammonitida, ammonites included in the family Parahoplitidae. These fast-moving nektonic carnivores lived in the Cretaceous period (Aptian age).Sepkoski, JacSepkoski's Online Genus Database – Ceph ...

'' Kilian and Reboul, 1915 ** '' Diadochoceras'' Hyatt, 1900 ** '' Hypacanthoplites'' Spath, 1923 * Parahoplitinae Spath, 1922 ** '' Kazanskyella'' Stoyanow, 1949 ** '' Parahoplites'' Anthula, 1899 ** '' Sinzowiella'' Stoyanow, 1949 ** '' Parahoplitoides'' Spath, 1922

References

* Arkell ''et al.'', 1957. Mesozoic Ammonoidea.

Treatise on Invertebrate Paleontology The ''Treatise on Invertebrate Paleontology,'' published from 1953–2007 by the Geological Society of America and the University of Kansas, then 2009–present by the University of Kansas Paleontological Institute, is a definitive multi-authore ...

, Part L Ammonoidea. Geological Soc of America and University of Kansas press. Ancyloceratina Ammonitida families {{ammonitida-stub