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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Anisoceratidae
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Anisoceras
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Anisoceras armatum
Anisoceras charlottense
Anisoceras coloradoense
Anisoceras haasi
Anisoceras neohispanicum
Anisoceras perarmatum
Anisoceras plicatilis
Anisoceras pseudoelegans
Anisoceras saussureanus
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Anisoceras armatum