WMSD - Worldwide mollusc species DB Bagni Liggia

Class: GASTROPODA
--- Taxon Tree: HETEROBRANCHIA [Subclass] - OPISTHOBRANCHIA [Infraclass] - CEPHALASPIDEA [Order] - BULLOIDEA [Superfamily]
------ Family: RETUSIDAE Thiele, 1925 (Sea)
------------ Genus: Retusa (Cylichnina) T.A. de M. Monterosato, 1884
--------------- Species: Cylichnina petrosa (T.A. Conrad, 1849 ) † - ID: 6800000025
Oregon, Coos bay, Astoria formation - 10 mm
FOSSIL
Miocene
Map center:  N: 43° 22' 34'' W: 124° 14' 13''  - Grid: 5° - click to open
Suggested links:
https://books.google.it http://opistobranquis.info
Wrong data? please email to: Claudio Galli - last updated: 28/ago/2017