ecofactbook
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species
/
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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Collignoniceras
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Collignoniceras borealis
Collignoniceras collignoni
Collignoniceras jorgenseni
Collignoniceras mexicanum
Collignoniceras percarinatum
Collignoniceras praecox
Collignoniceras vermilionense
Collignoniceras woollgari
Prionotropis casperi
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