ecofactbook
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species
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Animalia
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Mollusca
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Cephalopoda
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Ammonoidea
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Arietitidae
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Vermiceras
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Vermiceras ophioides
Vermiceras rotarium
Vermiceras rursicostatum
Vermiceras spiratissimum
Vermiceras supraspiratum
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Vermiceras ophioides