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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Echioceratidae
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Echioceras
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Arietites raricostatoides
Echioceras declivis
Echioceras inflatum
Echioceras intermedium
Echioceras lepidum
Echioceras modicum
Echioceras raricostatum
Echioceras torquatum
Echioceras typicum
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