Taxonomy clear
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incompta incomptaLate Toarcian - Middle Oxfordian
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inaequalis inaequalisEarly Hauterivian - Late Barremian
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Retecapsa tetralateralisEarly Cenomanian - Early Maastrichtian
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Retecapsa pentalateralisEarly Campanian - Late Campanian
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Retecapsa sinuosaLate Cenomanian - Late Maastrichtian
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Retecapsa schizobrachiataEarly Callovian - Late Maastrichtian
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Retecapsa rotundaEarly Campanian - Late Campanian
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Retecapsa primitivaEarly Cenomanian - Late Maastrichtian
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ficula 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
