Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
Pentalamina Formed of 3 round plates & 2 triradiate plates | |||||
Tetraparma Formed of 4 shield plates & 4 triradiate plates | Tetraparma catinifera Tetraparma gracilis Tetraparma insecta Tetraparma pelagica Tetraparma silverae Tetraparma trullifera Tetraparma sp. | ||||
Triparma Formed of 3 shield plates, 1 triradiate plate, 3 girdle plates, & 1 ventral plate | Triparma columacea Triparma laevis Triparma retinervis Triparma strigata Triparma verrucosa Triparma sp. Triparma mediterranea Triparma pacifica Triparma eleuthra |
Taxonomy:
Booth & Marchant (1987, 1988) described two families:
In the intersts of simplicity we omit the family rank here.
Catalog entries: Parmales [no catalog entry yet]
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 Booth, B. C. & Marchant, H. J. (1988). Triparmaceae, a substitute name for a family in the order Parmales (Chrysophyceae). Journal of Phycology. 24(1): 124-124. gs Ichinomiya, M. et al. (2016). Diversity and oceanic distribution of the Parmales (Bolidophyceae), a picoplanktonic group closely related to diatoms. ISME Journal. 10(10): 2419-2434. gs Konno, S. & Jordan, R. W. (2007). An amended terminology for the Parmales (Chrysophyceae). Phycologia. 46(6): 612-616. gsReferences:
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Parmales compiled by Jeremy R. Young viewed: 25-3-2023
Short stables page link: https://mikrotax.org/Nannotax3/index.php?id=20258 Go to Archive.is to create a permanent copy of this page - citation notes |
Comments
(1)
The group does have a fossil record. At least Quaternary - see my publications for relevant references.
Fair point - I have just added the record of Stradner & Allram 1982, but are there any older records?