WMSD - Worldwide mollusc species DB Bagni Liggia

Class: CEPHALOPODA
--- Taxon Tree: NAUTILOIDEA [Subclass] - ELLESMEROCERIDA [Order]
------ Family: RIOCERATIDAE Kröger & Evans, 2011 † (Sea)
------------ Genus: Rioceras Flower, 1964 †
--------------- Species: Rioceras expansum Flower, 1964 † - ID: 6786000006
USA, New Mexico, Sierra 
FOSSIL
Ordovician
Map center:  N: 33° 12' 0'' W: 106° 42' 0''  - Grid: 5° - click to open
Suggested links:
https://paleobiodb.org
Please email your image to: Claudio Galli - last updated: 28/ago/2017