arrayname: original
Taxonomy:
Distinguishing features:
Parent taxon (Ophiaster): Appendages formed from strings of highly modified antapical coccoliths, without whorl coccoliths
This taxon: Very small (coccosphere ca. 3.5 µm). BCs simple rings, without central structures. Proximal link liths distinctive, diamond shaped with diagonal bar. CFCs with short spine supported by axial cross
Farinacci & Howe catalog pages: Ophiaster minimus
Search data:
LITHS: murolith, elliptical, CA: ca_disjunct, grill, process, CSPH: elongated, equant, appendages, CFC, AAC, XC, CROSS-POLARS: T-prominent, R-prominent, |
Lith size: 0.7->1.5µm; Coccosphere size: 5->7µm; Data source notes: csph & lith length (BCs) from illustrated specimens |
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (Young et al. 2003)
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: [JRY rough estimate]
Plot of occurrence data:
Manton, I. & Oates, K. (1983). Nanoplankton from the Galapagos Islands: Two genera of spectacular coccolithophorids (Ophiaster and Calciopappus) with special emphasis on unmineralized periplast components. Philosophical Transactions of the Royal Society of London. 300: 435-462. gsReferences:
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Ophiaster minimus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-4-2025
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=965 Go to Archive.is to create a permanent copy of this page - citation notes |
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