ecofactbook
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species
/
Animalia
/
Mollusca
/
Cephalopoda
/
_
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Poterioceratidae
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Gomphoceras
/
Gomphoceras breviposticum
Gomphoceras fusiforme
Gomphoceras lunatum
Gomphoceras projectum
Gomphoceras subviforme
Gomphoceras wabashensis
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