campeloma nebrascensis (fossil snail) (fort union formation, paleocene; olive, powder river county, montana, usa) 3 color palette

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#6D685E #3A2E1B #9E988C #E2DBC8 #9B8866

related tags: 322C23 3A2E1B 6D685E 8E8474 9B8866 9E988C DCD8CE E2DBC8 campeloma county formation fort fossil fossils gastropod gastropods montana nebrascensis olive paleocene powder river shell shells snail snails union 696762 999691