WMSD - Worldwide mollusc species DB Bagni Liggia

Class: CEPHALOPODA
--- Taxon Tree: AMMONOIDEA [Subclass] - AMMONITIDA [Order] - DESMOCERATOIDEA [Superfamily]
------ Family: PACHYDISCIDAE Spath, 1922 † (Sea)
--------- SubFamily: PUZOSIINAE
------------ Genus: Pachydiscus Anderson, 1958 †
--------------- Species: Pachydiscus bidwelli Anderson, 1958 † - ID: 6721000109
California, Butte County 
FOSSIL
Upper Cretaceous
Map center:  N: 39° 42' 0'' W: 121° 47' 59''  - Grid: 5° - click to open
Suggested links:
https://paleobiodb.org
Please email your image to: Claudio Galli - last updated: 10/nov/2017