|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. 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