Eopachidiscus aff.marcianus (Shumard 1854), Albien de l'Oklahoma, U.S.A., 62 mm

Eopachidiscus aff.marcianus (Shumard 1854), Albien de l'Oklahoma, U.S.A., 62 mm
Eopachidiscus aff.marcianus (Shumard 1854), Albien de l'Oklahoma, U.S.A., 62 mm :

(specimen juvénile)

Duck Creek Formation, Marshall County





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