Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
Ceratolithus nishidae CER Species with anterior beak and flattened arms. Typically higher than broad so usually seen in side view. The dextral arm is increases in height toward the apex of the ceratolith and ends in a beak-lke exotsion (often refered to as a "rostrum"). The sinistral arm is also triangular in side view but less elevated and more smoothly curved. | ||||
Ceratolithus nishidae HET Ceratolithus heterococcoliths with narrow central opening |
Taxonomy:
Distinguishing features: Ceratoliths horsehoe-shaped with rostrum. Heterococcoliths with narrow central opening
Farinacci & Howe catalog pages: C. nishidae [no catalog entry yet]
Search data:Tags | LITHS: |
Metrics | Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage).
First occurrence (base): within (-Ma, base in "Holocene" stage).
Plot of occurrence data:
Archontikis, O. & Young, J. R. (2020). Extant Ceratolithus cristatus life-cycle observations and taxonomic simplification. Journal of Nannoplankton Research. 30(1): 27-39. gs V O Borsetti, A. M. & Cati, F. (1976). Il Nannoplancton calcareo vivente nel Tirreno Centro-meridionale. Parte II. Giornale di Geologia. 40(1): 209-240. gs V OReferences:
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Ceratolithus nishidae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-1-2021
Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=1670 Go to Archive.is to create a permanent copy of this page - citation notes |