''Yezoites'' is an extinct genus of

ammonites Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

placed in the family

Scaphitidae Scaphitidae is a family of extinct cephalopods belonging to the family of heteromorph ammonites (suborder Ancyloceratina). There is a possible fossil record of them being the last ammonites with fossils dating to the Danian of the Paleocene in D ...

. The genus is known lived during the

Upper Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the ...

and was first described in 1910.Fossilworks ''Yezoites'' entry 26 Nov 2017
/ref> The genus contains five species, ''Y. bladenensis'', ''Y. orbignyi'', ''Y. planus'', ''Y. puerculus'', and ''Y. subevolutus''. ''Yezoites'' was first discovered in the Upper Cretaceous Yezo Group, Hokkaido, Japan and has since been identified in Antarctica, Denmark, France, Madagascar, and the United States. The shell has wide spaced ribbing.

References

Ammonitida genera Scaphitidae Cretaceous animals of Africa Coniacian genus first appearances Santonian genus extinctions {{Ammonitida-stub