Ellipsolithus


Classification: Mesozoic -> Heterococcoliths inc sedis -> placoliths inc sedis -> Ellipsolithus
Sister taxa: Ellipsolithus, Haqius, Markalius, Prolatipatella, Repagulum,

Distinguishing features:

Elongate, rounded-oblong placoliths with unicyclic distal shields built of numerous (>50) narrow elements


Daughter taxa: (blue => in age window 0-800Ma)
Ellipsolithus with elevated rim and imperforate central area

Taxonomy:

Citation: Ellipsolithus Sullivan 1964
Rank: Genus
Type species: Coccolithites macellus Bramlette & Sullivan, 1961

Farinacci & Howe catalog pages: Ellipsolithus + *

Distinguishing features:

Elongate, rounded-oblong placoliths with unicyclic distal shields built of numerous (>50) narrow elements

Geological Range:
Notes: This is a well-known Palaeocene genus but specimens have recently been illustrated from the Late Cretaceous of Tanzania by Lees & Bown 2016.
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 stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Sullivan, F. R. (1964). Lower Tertiary nannoplankton from the California Coast Ranges. I. Paleocene. University of California Publications in Geological Sciences. 44: 163-227. gs


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Ellipsolithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-9-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10424 Go to Archive.is to create a permanent copy of this page - citation notes



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