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Helicosphaera seminulum

Synonymy list
No taxonomic opinions are available

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RankNameAuthor
Life
Eukaryota()
Chromalveolata
RankNameAuthor
phylumHaptophytaHibberd ex Cavalier-Smith 1986
genusHelicosphaeraKamptner 1954
speciesseminulum

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Danian to the top of the Pleistocene or 66.00000 to 0.01170 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Danian - Selandian66.0 - 59.24Argentina (Santa Cruz) Helicosphaera seminulum (237044)
Ypresian56.0 - 48.07North Atlantic Helicosphaera seminulum (261754 262405 263828)
Lutetian48.07 - 41.03North Atlantic Helicosphaera seminulum (261729 261730 261740 263826 263827 267045 267048 267053)
Lutetian48.07 - 41.03North Pacific Helicosphaera seminulum (244312 244316 244317)
Lutetian48.07 - 41.03USA (Georgia) Helicosphaera seminulum (4868)
Bartonian41.03 - 37.71North Atlantic Helicosphaera seminulum (261722 261727 261728)
Pleistocene2.58 - 0.0117South Pacific Helicosphaera seminulum (243056)