Doushantuophyton Chen et Xiao (Algae) from Kaili Biota, 
Guizhou Province, China

Abstract

Abstract:

Doushantuophyton Chen et Xiao (algae) is very common in the Ediacaran age Miaohe Biota and Lantian Flora,
including five species, D. lineare Chen et Xiao, 1991; D. rigidulum Chen, 1994; D. sinuolatum Hu, 1996; D. quyuani Chen, Xiao
and Yuan, 1994, emend. Xiao et al., 2002 and D. cometa Yuan et al. Among the species of Doushantuophyton, D. lineare Chen et
Xiao and D. cometa Yuan et al. are found in the Cambrian age Kaili Biota and are important species in this area. The Genus spans
a range of about 50 Ma from the Ediacaran Doushantuoian to Cambrian Epoch 3. Doushantuophyton Chen et Xiao, 1991 survived
the extinction event of the terminal Ediacaran. Moreover, the characteristics of thallus morphology exhibit minimal change. Its
survival probably indicates a wide ecological tolerance and flexibility and its conserved morphology may reflects a greater fitness
for competition and a high degree of inherent genetic stability

Key words: Cambrian, Kaili Biota, Doushantuophyton, genetic stability

CLC Number:

Q914.82

WU Meng-Yin, TONG Jin-Nan, FU Xiao-Ping, ZHAO Yuan-Long. Doushantuophyton Chen et Xiao (Algae) from Kaili Biota,
Guizhou Province, China[J]. J4, 2010, 16(3): 317-326.

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