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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Collignoniceratidae
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Prionocycloceras
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Prionocycloceras adkinsae
Prionocycloceras crenulatum
Prionocycloceras gabrielense
Prionocycloceras hazzardi
Prionocycloceras quayabanum
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