What is "urakawites"

Urakawites is an extinct Ammonite from the Upper Cretaceous ( Campanian) of Japan, Sakhalin, Russia, British Columbia, Canada and possibly Germany and Angola. Urakawites is placed in the family is Pachydiscidae.

Urakawites is characterized by a bituberculate (meaning it has two rows of tubercles on either side), strongly ribbed, moderately compressed shell.