Taxonomy clear
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Sullivania titaSelandian - Latdorfian
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Sullivania cf.californicaSelandian - Ypresian
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Sullivania californicaSelandian - Ypresian
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Helicosphaera dyotrypesSerravalian - Meghalayan
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Helicosphaera kilidaChibanian
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Helicosphaera pterigaChibanian
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Helicosphaera carteri treisporoiTortonian - Meghalayan
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Helicosphaera carteri rotundusBurdigalian - Meghalayan
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Helicosphaera kamptneriBurdigalian - Meghalayan
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Helicosphaera epimikeisporousSerravalian - Meghalayan
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Pontosphaera lepidaZanclean - Tarantian
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Pontosphaera jonesiiMessinian - Tarantian
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Pontosphaera wondersiiDanian
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Umbellosphaera tenuisZanclean - Meghalayan
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Tintinnabuliformis bicornusSerravalian - Zanclean
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Tintinnabuliformis unicornSerravalian - Calabrian
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Scampanella wiseiDanian - Thanetian
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Rigaudia multiradiataZanclean - Meghalayan
