Taxonomy clear
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Retecapsa rotundaEarly Campanian - Late Campanian
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Retecapsa primitivaEarly Cenomanian - Late Maastrichtian
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Retecapsa ficulaEarly Turonian - Late Maastrichtian
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Retecapsa surirellaEarly Berriasian - Late Maastrichtian
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Retecapsa angustiforataEarly Berriasian - Early Aptian
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Retecapsa actinosaEarly Berriasian - Late Maastrichtian
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Helenea chiastiaEarly Tithonian - Late Cenomanian
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Helenea staurolithinaLate Tithonian - Late Cenomanian
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Helenea stroggylaLate Aptian
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Helenea dikrorhetheLate Aptian - Late Albian
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Helenea progonosEarly Tithonian - Late Hauterivian
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Helenea conusEarly Berriasian - Early Barremian
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Helenea acuminataEarly Valanginian - Late Aptian
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Grantarhabdus quadratusLate Oxfordian - Late Hauterivian
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Grantarhabdus meddiiEarly Berriasian - Middle Albian
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Grantarhabdus coronadventisEarly Aptian - Late Santonian
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Ralphsalomonia camarataEarly Campanian - Late Campanian
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Grantarhabdus bukryiMiddle Albian - Early Cenomanian
