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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Tornoceratidae
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Tornoceras
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Tornoceras aldanense
Tornoceras baldisi
Tornoceras compressum
Tornoceras simplex
Tornoceras uniangulare
Tornoceras whidbornei
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Tornoceras aldanense