radiolaria - rads_cenozoic - Larnacillidae radiolaria - rads_cenozoic - Larnacillidae


Classification: rads_cenozoic -> Litheliidae -> Larnacillidae
Sister taxa: Larnacillidae, Litheliidae (ss), Litheliidae inc sed, Prunopylidae
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa

neptune records: 148
Circodiscus circularis
Circodiscus ellipticus
Circodiscus microporus
Circodiscus sp.


neptune records: 10
Histiastrum cruciferum
Histiastrum quaternarium
Histiastrum sp.


neptune records: 223
Phorticium clevei
Phorticium multispinum
Phorticium polycladum
Phorticium pylonium
Phorticium strobilinum
Phorticium sp.


taxonomic rank: family (new classif)
Taxonomic discussion: This family is part of the revised classification system being developed by Prof. Suzuki and colleagues

Catalog entries: Larnacillidae [no catalog entry yet]


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:



Larnacillidae compiled by the radiolaria@mikrotax project team viewed: 20-6-2024

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