fried egg monomorphic

Classification: ntax_cenozoic -> Holococcoliths -> tubeless -> fried egg monomorphic
Sister taxa: Sphaerocalyptra, Anthosphaera, fried egg monomorphic, flat dimorphic, flat (coccolithaceae HOLs), flat trapezoidal, tubeless-minute

Daughter taxa (time control age-window is: 0-800Ma)
Acanthoica quattrospina HOL
single-humped protrusion
Holococcolithophora kastriensis
Monomorphic. BCs, tubeless with irregular central mound and two minute pores on the proximal side.
sp. aff. quattrospina HOL
double humped central protrusion


Citation: fried egg monomorphic Young et al., 2003
Rank: species group

Distinguishing features: BCs with flat rim and central protrusion, no marginal perforations, CFCs similar to BCs

Farinacci & Howe catalog pages: fried egg monomorphic [no catalog entry yet]

Search data:
MetricsLith size: 1.5->2.3µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
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:


Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research, Special Issue. 1: 1-132. gs V O


fried egg monomorphic compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2021

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Short stable page link: Go to to create a permanent copy of this page - citation notes

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