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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Sphenodiscidae
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Sphenodiscus
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Sphenodiscus aberrans
Sphenodiscus beecheri
Sphenodiscus intermedius
Sphenodiscus lenticularis
Sphenodiscus lobatus
Sphenodiscus pleurisepta
Sphenodiscus prepleurisepta
Sphenodiscus stantoni
Sphenodiscus tirensis
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