Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | Martiniaster cecellanoriae | ||
![]() | ![]() | Martiniaster fragilis | ||
![]() | ![]() | ![]() | Martiniaster menneri |
Taxonomy:
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; |
Geological Range:
Last occurrence (top): at top of Early Pliocene Sub-Epoch (100% up, 3.6Ma, in Piacenzian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within NP14 zone (46.29-49.11Ma, base in Ypresian stage). Data source: Total of ranges 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; References:
![]() |
Martiniaster compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-7-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=844 Go to Archive.is to create a permanent copy of this page - citation notes |
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments