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Middle Miocene record of Pliocaenicus changbaiense sp nov. from Changbai (Jilin Province, China)

Katarzyna Stachura-Suchoples ; Freie Universität Berlin, Botanic Garden and Botanical Museum Berlin-Dahlem, Königin-Luise Str. 6–8, 14195 Berlin, Germany
Regine Jahn ; Freie Universität Berlin, Botanic Garden and Botanical Museum Berlin-Dahlem, Königin-Luise Str. 6–8, 14195 Berlin, Germany


Puni tekst: engleski pdf 273 Kb

str. 211-220

preuzimanja: 860

citiraj


Sažetak

The first record of the genus Pliocaenicus from middle Miocene deposits is presented in this paper. This record from Changbai (Jilin Province, China) places the origin of the genus further back into themiddleMiocene. The genus has been so far reported from the late
Miocene/early Pliocene till Recent. The population from Changbai belongs to the group of Pliocaenicus species possessing complex alveolae, such as P. cathayanus Wang, P. jilinensis Wang and P. omarensis (Kuptsova) Stachura-S. et Khursevich. Both P. cathayanus
and P. jilinensis have been described from China (Pliocene deposits), and are only known from the type locality. The third species, P. omarensis is reported from Eurasia and Africa (age range: late Miocene-Pleistocene). In this report we describe P. changbaiense,
a new species from China, and focus on those characters having the potential for developing further an evolutionary and taxonomical concept in Pliocaenicus. We anticipate that these will contribute to our understanding of the driving forces of diatom dispersal.

Ključne riječi

Diatom; Pliocaenicus changbaiense; ultrastructure; alveolae; Miocene; China

Hrčak ID:

41424

URI

https://hrcak.srce.hr/41424

Datum izdavanja:

15.10.2009.

Posjeta: 1.699 *