WMSD - Worldwide mollusc species DB Bagni Liggia

Class: GASTROPODA
--- Taxon Tree: AMPHIGASTROPODA [Subclass] - BELLEROPHONTIDA [Order] - BELLEROPHONTOIDEA [Superfamily]
------ Family: KNIGHTITIDAE Knight, 1956 † (Sea)
------------ Genus: Retispira Knight, 1945 †
--------------- Species: Retispira marcouianus (H.B. Geinitz, 1866 ) † - ID: 5806000380
USA, Nebraska, Otoe 
FOSSIL
Carboniferous
Map center:  N: 40° 42' 0'' W: 95° 54' 0''  - Grid: 5° - click to open
Suggested links:
https://paleobiodb.org
Please email your image to: Claudio Galli - last updated: 28/ago/2017