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IRMNG taxon detailsParatetraphycus Z. Zhang, 1985 †
marine,
fossil only
Not documented
Taxonomic remark From Zhang et al., 1998: Zhang Z. (1985) assigned Paratetraphycus giganteus [=type species of the genus] to the...
Taxonomic remark From Zhang et al., 1998: Zhang Z. (1985) assigned Paratetraphycus giganteus [=type species of the genus] to the cyanobacteria, based on the broad similarity of preserved tetrads to chroococcalean cyanobacteria with simple life cycles; however, the specimens described here show distinct synchronization of cell division, a property of eukaryotic rather than prokaryotic organisms. Indeed, P. giganteus populations show a close resemblance to planar thalli of the extant bangiophyte red alga Porphyra at the stage of tetraspore development. We believe that Paratetraphycus giganteus likely represents the preserved remains of a terminal Proterozoic bangiophyte. [details]
IRMNG (2023). Paratetraphycus Z. Zhang, 1985 †. Accessed at: https://irmng.org/aphia.php?p=taxdetails&id=11929802 on 2024-05-18
Date action by
basis of record
Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details]
verified source for family Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details] name verified source Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details] current name source Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details] extant flag source Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details] habitat flag source Zhang, Y.; Yin, L.; Xiao, S.; Knoll, A. H. (1998). Permineralized fossils from the terminal Proterozoic Doushantuo Formation, South China. <em>Journal of Paleontology.</em> 72(S50): 1-52., available online at https://doi.org/10.1017/s0022336000059977 [details] From other sources
Taxonomic remark From Zhang et al., 1998: Zhang Z. (1985) assigned Paratetraphycus giganteus [=type species of the genus] to the cyanobacteria, based on the broad similarity of preserved tetrads to chroococcalean cyanobacteria with simple life cycles; however, the specimens described here show distinct synchronization of cell division, a property of eukaryotic rather than prokaryotic organisms. Indeed, P. giganteus populations show a close resemblance to planar thalli of the extant bangiophyte red alga Porphyra at the stage of tetraspore development. We believe that Paratetraphycus giganteus likely represents the preserved remains of a terminal Proterozoic bangiophyte. [details]
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