WMSD - Worldwide mollusc species DB Bagni Liggia

Class: BIVALVIA
--- Taxon Tree: HETERODONTA [Subclass] - EUHETERODONTA [Infraclass] - IMPARIDENTIA [Superorder] - LUCINIDA [Order] - THYASIROIDEA [Superfamily]
------ Family: THYASIRIDAE Dall, 1900 (1895) (Sea)
--------- SubFamily: THYASIRINAE
------------ Genus: Thyasira J.B.P.A. Lamarck, 1818
--------------- Species: Thyasira becca  † - ID: 7330000659
Alaska, Beaufort Sea 
FOSSIL
Upper Cretaceous
Map center:  N: 70° 33' 40'' W: 136° 22' 35''  - Grid: 5° - click to open

------------------ Sub or form: Thyasira becca cobbani Kauffman, 1967 † - ID: 7330000660
Alaska, Beaufort Sea 
FOSSIL
Map center:  N: 70° 33' 40'' W: 136° 22' 35''  - Grid: 5° - click to open
Please email your image to: Claudio Galli - last updated: 28/ago/2017