|Daughter taxa (time control age-window is: 0-800Ma)||Granddaughter taxa|
Chalice-shaped coccoliths. Monomorphic
Tower-like holococcoliths formed from hexagonal crystallite groups.
Papposphaera arctica HOL
Papposphaera polybotrys HOL
Papposphaera sagittifera HOL
Papposphaera sarion HOL
Papposphaera sp. 2 (Turrisphaera phase)
Papposphaera sp. 3 (Turrisphaera phase)
Papposphaera sp. HOL
Holococcoliths formed of triangular crystallite groups (ca. 0.15 µm across), each composed of three (?hexagonal) sub-units.
Dimorphic CFCs tower-like, BCs simple disks.
Pappomonas borealis HOL
Pappomonas garrisonii HOL
Parent taxon (Holococcoliths): Haploid life-cycle stages, with liths formed of numerous rhombohedral microcrystals
This taxon: Holococcoliths with tube, open distally (or cover recessed)
Farinacci & Howe catalog pages: open-tube [no catalog entry yet]
Ecology & Biogeography
Biology & life-cycles
|Lith size: 0->0µm;|
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in "Holocene" stage). Data source: Total of range of species in this database
Plot of occurrence data:
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=960 Go to Archive.is to create a permanent copy of this page - citation notes