GleviRHB1_s

Fragment of Gleviceras subguibalianum, 6 cm wide , aplanatum subzone, Robin Hoods Bay

Fragment of Gleviceras subguibalianum, 6 cm wide , aplanatum subzone, Robin Hoods Bay

Fragment of Gleviceras subguibalianum, 6 cm wide , aplanatum subzone, Robin Hoods Bay

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