Distinguishing features: Formed of 3 shield plates, 1 triradiate plate, 3 girdle plates, & 1 ventral plate
Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
known from non-motile, silicifying stage | |||||
Triparma columacea | T. columacea f. alata T. columacea f. columacea T. columacea f. convexa T. columacea f. fimbriata T. columacea f. longiseta | ||||
Triparma laevis | T. laevis f. fusiformis T. laevis f. inornata T. laevis f. laevis T. laevis f. longispina T. laevis f. mexicana T. laevis f. pinnatilobata T. laevis f. ramispina | ||||
Triparma retinervis | |||||
Triparma strigata | |||||
Triparma verrucosa | |||||
Triparma sp. | |||||
only known from motile, non-silicifying stage | |||||
Triparma mediterranea | |||||
Triparma pacifica | |||||
Triparma eleuthra |
Taxonomy:
Bolidomonas Guillou & Chrétiennot-Dinet in Guillou et al., 1999 [according to Ichinomiya et al. 2016, Bolidomonas represents the alternate life cycle phase of Triparma]
Catalog entries: Triparma [no catalog entry yet]
Distinguishing features: Formed of 3 shield plates, 1 triradiate plate, 3 girdle plates, & 1 ventral plate
Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" 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 Guillou, L., Chrétiennot-Dinet, M. -J., Medlin, L. K., Claustre, H., Loiseaux-de Goér, S. & Vaulot, D. (1999). Bolidomonas: A new genus with two species belonging to a new algal class, the Bolidophyceae. Journal of Phycology. 35(2): 368-381. 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., 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. gs V OReferences:
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Triparma compiled by Jeremy R. Young viewed: 22-4-2021
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