Taxonomy clear
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Cretarhabdus primusEarly Berriasian - Late Maastrichtian
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Cretarhabdus limbicrassusEarly Hauterivian - Late Maastrichtian
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Cretarhabdus conicusEarly Valanginian - Late Maastrichtian
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Cretarhabdus circularisLate Aptian - Middle Campanian
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Cretarhabdus barremianusEarly Hauterivian - Late Maastrichtian
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Calculites additusLate Santonian - Early Maastrichtian
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Calculites spp.Early Campanian - Late Campanian
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Calculites koilosEarly Campanian - Early Maastrichtian
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Calculites rhachisLate Santonian - Late Campanian
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Calculites tetraplevrosEarly Campanian - Late Campanian
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Calculites stavrotosLate Campanian
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Calculites ovalisLate Turonian - Late Campanian
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Calculites kratirasLate Campanian
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Calculites obscurusLate Coniacian - Early Maastrichtian
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Crepidolithus impontusLate Pliensbachian - Late Toarcian
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Crepidolithus cantabriensisSinemurian - Pliensbachian
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Crepidolithus timorensisSinemurian
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Crepidolithus pliensbachensisLate Sinemurian - Early Pliensbachian
