Nannotax3 - ntax_cenozoic - Martiniaster Nannotax3 - ntax_cenozoic - Martiniaster


Classification: ntax_cenozoic -> Nannolith families inc sed -> Lithostromationaceae -> Martiniaster
Sister taxa: Lithostromation, Imperiaster, Martiniaster, Isolithus

Daughter taxa (time control age-window is: 0-800Ma)
Martiniaster cecellanoriae

Martiniaster fragilis

Martiniaster menneri


Citation: Martiniaster Loeblich & Tappan 1963
Rank: Genus
Type species: Coronaster fragilis Martini, 1961
Taxonomic discussion: replacement name for Coronaster

Distinguishing features:
Parent taxon (Lithostromationaceae): Large (10-20µm) triangular to stellate nannoliths with porous structure formed from small crystallites. In xpl behave as single crystal unit with low birefringence
This taxon: Disk-shaped with 10-12 radiate ridges

Farinacci & Howe catalog pages: Martiniaster * , Coronaster *

Search data:
LITHS: nannolith-radiate, star-shaped, CROSS-POLARS: 1ou, V-prominent,
Lith size: 10->13µm; Segments: 12->12;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Priabonian Stage (100% up, 33.9Ma, in Priabonian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Priabonian Stage (0% up, 37.8Ma, in Bartonian stage). Data source: Total of range of species in this database

Plot of occurrence data:


Loeblich, A. R. & Tappan, H. (1963). Type fixation and validation of certain calcareous nannoplankton genera. Proceedings of the Biological Society of Washington. 76: 191-198. gs

Lyul'eva, S. A. (1989). New Miocene and Pliocene calcareous nannofossils of the Ukraine. Dopovidi Akad. Nauk Ukrainskoi RSR. 1: 10-14. gs

Young, J. R. (2023). Some proposed changes to the systematics of Cenozoic and Mesozoic nannoplankton. Journal of Nannoplankton Research. 41(1): 15-25. gs

Missing or ambiguous references: Lyuleva 1989;


Martiniaster compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-6-2023

Taxon Search:
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AphiaID: not found
Short stables page link: Go to to create a permanent copy of this page - citation notes

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