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IRMNG taxon detailsPachysphaera Ostenfeld in Knudsen & Ostenfeld, 1899
marine
recent only
Not documented
Taxonomic remark This is an extant genus, believed to be equivalent to the fossil Tasmanites which is an older name, although some workers...
Taxonomic remark This is an extant genus, believed to be equivalent to the fossil Tasmanites which is an older name, although some workers consider that there is value in keeping the two names separate since the then-living organism from which the fossil cysts derived cannot be definitively studied. From ICNafp: Boalch and Guy-Ohlson (in Taxon 41: 529–531. 1992) united the two non-diatom algal genera Pachysphaera Ostenf. (1899) and Tasmanites E. J. Newton (1875) (Prasinophyta). Pachysphaera is based on a non-fossil type and Tasmanites on a fossil type. Under the Code in effect in 1992, Tasmanites had priority and was therefore adopted. Under the current Art. 11.8, which excepts only diatoms and not algae in general, Pachysphaera is correct for the combined genus. [details]
IRMNG (2024). Pachysphaera Ostenfeld in Knudsen & Ostenfeld, 1899. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=1084621 on 2024-04-19
Date action by 2016-11-22 11:10:04Z changed db_admin
basis of record
SN2000/Moestrup, 2000 [details]
basis of record Farr, E. R.; Zijlstra, G. (eds). (1996-current). Index Nominum Genericorum (ING). A compilation of generic names published for organisms covered by the ICN: International Code of Nomenclature for Algae, Fungi, and Plants. [previously: organisms covered by the International Code for Botanical Nomenclature] (2007 version). , available online at https://naturalhistory2.si.edu/botany/ing/ [details] additional source Guy-Ohlson, D.; Boalch, G. T. (1992). Comparative morphology of the genus Tasmanites (Pterospermales, Chlorophyta). <em>Phycologia.</em> 31(6): 523-528., available online at https://doi.org/10.2216/i0031-8884-31-6-523.1 [details] verified source for family WoRMS (Mar 2013) [details] name verified source Farr, E. R.; Zijlstra, G. (eds). (1996-current). Index Nominum Genericorum (ING). A compilation of generic names published for organisms covered by the ICN: International Code of Nomenclature for Algae, Fungi, and Plants. [previously: organisms covered by the International Code for Botanical Nomenclature] (2007 version). , available online at https://naturalhistory2.si.edu/botany/ing/ [details] current name source CoL2006 [details] current name source WoRMS (Mar 2013) [details] extant flag source SN2000/Moestrup, 2000 [details] From other sources
Taxonomic remark This is an extant genus, believed to be equivalent to the fossil Tasmanites which is an older name, although some workers consider that there is value in keeping the two names separate since the then-living organism from which the fossil cysts derived cannot be definitively studied. From ICNafp: Boalch and Guy-Ohlson (in Taxon 41: 529–531. 1992) united the two non-diatom algal genera Pachysphaera Ostenf. (1899) and Tasmanites E. J. Newton (1875) (Prasinophyta). Pachysphaera is based on a non-fossil type and Tasmanites on a fossil type. Under the Code in effect in 1992, Tasmanites had priority and was therefore adopted. Under the current Art. 11.8, which excepts only diatoms and not algae in general, Pachysphaera is correct for the combined genus. [details]
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