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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Baltoceratidae
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Amsleroceras
Bactroceras
Baltoceras
Cochlioceras
Cyrtobaltoceras
Endorioceras
Metabaltoceras
Microbaltoceras
Ogygoceras
Rhabdiferoceras
Rioceras
Veneficoceras
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Amsleroceras