Distinguishing features: Formed of 4 shield plates & 4 triradiate plates
Daughter taxa: (blue => in age window 0-800Ma) | ||||
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Taxonomy:
Catalog entries: Tetraparma [no catalog entry yet]
Distinguishing features: Formed of 4 shield plates & 4 triradiate plates
Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within Ionian Stage (0.13-0.78Ma, base in Ionian stage). Data source: Total of range of species in this database
Booth, B. C. & Marchant, H. J. (1987). Parmales, a new order of marine chrysophytes, with descriptions of three new genera and seven new species. Journal of Phycology. 23: 245-260. gs Konno, S., Ohira, R., Komuro, C., Harada, N. & Jordan, R. W. (2007b). Six new taxa of subarctic Parmales (Chrysophyceae). Journal of Nannoplankton Research. 29(2): 108-128. gsReferences:
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Tetraparma compiled by Jeremy R. Young viewed: 12-12-2019
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