Classification: ntax_non_cocco -> Dinophytes -> Thoracosphaeraceae -> Possible Thoracosphaeraceae -> Praecalcigonellum
Sister taxa: Alasphaera, Calciperidinium, Calcipterellum, Carinasphaera, Carinellum, Cubodinellum, Cylindrodinellum, Dimorphosphaera, Ensiculifera, Follisdinellum, Gonellum, Heptasphaera, Keuppisphaera, Nephrodinella, Orthocarinellum, Pentadinellum, Praecalcigonellum, Pseudopithonella, Saumuria, Sliteria, Tetramerosphaera, Vertebrellum

Daughter taxa (time control age-window is: 0-800Ma)
Praecalcigonellum dolium

Praecalcigonellum duopylum

Praecalcigonellum mutterlosei

Praecalcigonellum polymorphum

Praecalcigonellum schizosaeptum

Praecalcigonellum sulcatum

Praecalcigonellum triangulare


Citation: Praecalcigonellum Keupp & Versteegh 1989
Rank: Genus
Type species: Calcigonellum polymorphumKeupp 1980

Catalog entries: Praecalcigonellum [no catalog entry yet]

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within Zanclean Stage (3.60-5.33Ma, base in Zanclean stage). Data source: Total of range of species in this database


Keupp, H. & Versteegh, G. J. M. (1989). Ein neues systematisches Konzept fuer kalkige Dinoflagellaten-Zysten der Subfamilie Orthopithonelloideae Keupp 1987. Berliner Geowissenschaftliche Abhandlungen. A106(207-219): -. gs


Praecalcigonellum compiled by Jeremy R. Young viewed: 5-8-2021

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