Chlorophycean algae from the Triassic of Australia

Brenner, Wolfram and Foster, C. B. (1994) Chlorophycean algae from the Triassic of Australia Review of Palaeobotany and Palynology, 80 (3-4). pp. 209-234. DOI 10.1016/0034-6667(94)90002-7.

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Among living green algae assigned to the order Chlorococcales and order Zygnematales certain species develop resistant outer organic walls and/or cysts during their life cycles: as such they have the potential to become fossils. Based on morphology,comparison between living algae and microfossil remains are made with varying degrees of confidence, and a possible evolutionary pathway for certain chlorococcalean coenobial families is suggested. Twelve genera are reviewed from earliest to latest Triassic palynological assemblages from northwestern Australia; and the following taxa are described as new: Plaesiodictyon mosellanum ssp. symmetricum ssp. nov.; Plaesiodictyon mosellanurn ssp. variabile ssp. nov.; Plaesiodictvon decussatus sp. nov.:
Plaesiodico'on decussatus ssp. decussatus ssp. nov.; Plaesiodictyon decussatus ssp. tetracornuta ssp. nov.; Tetraporina protrusa
sp. nov.: Crucigeniella? torques sp. nov.; and Paleoraphidia akestra gen. et sp. nov. (type). Their suggested natural affinities
are useful in palaeoenvironmental interpretations of mostly freshwater or low-salinity habitats.

Document Type: Article
Keywords: Chlorophycean algae, Triassic, Australia
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-P-OZ Paleo-Oceanography
Refereed: Yes
DOI etc.: 10.1016/0034-6667(94)90002-7
ISSN: 0034-6667
Date Deposited: 15 Feb 2016 14:32
Last Modified: 14 Sep 2016 11:35

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