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Class 1. Chlorophyceae; Order 1. Volvocales; Family 1. Chlamydomonadaceae; Family 2. Volvocaceae; Order 2. Tetrasporales; Order 3. Ulotrichales; Family 1.
The initial targets of Cavalier-Smith's classification, the protozoa were classified as members of the animal kingdom, [12] and many algae were regarded as part of the plant kingdom. With growing awareness that the animals and plants embraced unrelated taxa, the use of the two kingdom system was rejected by specialists.
Gilbert Morgan Smith (6 January 1885, Beloit, Wisconsin – 11 July 1959) was a botanist and phycologist, who worked primarily on the algae.He was best known for his books, particularly the Freshwater Algae of the United States, the Marine Algae of the Monterey Peninsula and the two volumes of Cryptogamic Botany.
The photosynthetic groups are known as the raphidophyte algae. ... Classification based on Cavalier-Smith and Scoble 2013. [1] Subclass Raphopoda Cavalier-Smith 2013.
Ochrophyte algae accumulate chrysolaminarin, ... Below is the present classification of ochrophytes according to the 2019 revision of ... Chrysista Cavalier-Smith 1986.
Gyrista was first described in 1998 by protistologist Thomas Cavalier-Smith in his work A revised six-kingdom system of life, originally as a superphylum containing two phyla: Ochrophyta, the heterokont algae; and Bigyra, which then contained the pseudofungi and bigyromonads together with the opalines. [1]
The Smith system, published in 1938 by American botanist Gilbert Morgan Smith, distinguished two classes: Chlorophyceae, which contained all green algae (unicellular and multicellular) that did not grow through an apical cell; and Charophyceae, which contained only multicellular green algae that grew via an apical cell and had special sterile ...
In the classification of Smith (1938), there are six orders in the class Xanthophyceae, placed in the division Chrysophyta: Order Heterochloridales (e.g., Chlorochromonas) Order Rhizochloridales (e.g., Chlorarachnion) Order Heterocapsales (e.g., Chlorosaccus) Order Heterotrichales (e.g., Tribonema) Order Heterococcales (e.g., Botrydiopsis)