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IRMNG name detailsNamacalathus Grotzinger, Watters & Knoll, 2000 †
fossil only
Grotzinger, J. P.; Watters, W. A.; Knoll, A. H. (2000). Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia. <em>Paleobiology.</em> 26(3): 334-359., available online at https://doi.org/10.1666/0094-8373(2000)026<0334:cmitsr>2.0.co;2
page(s): 350 [details]
Taxonomic remark Described as an early metazoan (possible sponge), however this is doubted by Antcliffe et al., 2014, who state: carbonate...
Taxonomic remark Described as an early metazoan (possible sponge), however this is doubted by Antcliffe et al., 2014, who state: carbonate mineralisation alone cannot be taken as indicative of metazoan affinities because it is widespread in many different microbial and algal groups (e.g. cyanobacteria, rhodophytes and chlorophytes). ... Such a structure could arrive from the calcification of microbial colonies. [details]
IRMNG (2023). Namacalathus Grotzinger, Watters & Knoll, 2000 †. Accessed at: https://irmng.org/aphia.php?p=taxdetails&id=1168752 on 2025-01-26
Date action by
original description
Grotzinger, J. P.; Watters, W. A.; Knoll, A. H. (2000). Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia. <em>Paleobiology.</em> 26(3): 334-359., available online at https://doi.org/10.1666/0094-8373(2000)026<0334:cmitsr>2.0.co;2
page(s): 350 [details] basis of record Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library]. Previously at http://ubio.org/NomenclatorZoologicus/ (URL no longer current). , available online at https://insecta.bio.spbu.ru/z/nomenclator_zoologicus_PDF.htm [details] verified source for family Antcliffe, J. B.; Callow, R. H. T.; Brasier, M. D. (2014). Giving the early fossil record of sponges a squeeze. <em>Biological Reviews.</em> 89(4): 972-1004., available online at https://doi.org/10.1111/brv.12090 [details] name verified source Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library]. Previously at http://ubio.org/NomenclatorZoologicus/ (URL no longer current). , available online at https://insecta.bio.spbu.ru/z/nomenclator_zoologicus_PDF.htm [details] current name source Antcliffe, J. B.; Callow, R. H. T.; Brasier, M. D. (2014). Giving the early fossil record of sponges a squeeze. <em>Biological Reviews.</em> 89(4): 972-1004., available online at https://doi.org/10.1111/brv.12090 [details] extant flag source Neave, S. A. and successors. (1939-2004). Nomenclator Zoologicus, vols. 1-10 online. [developed by uBio, hosted online at MBLWHOI Library]. Previously at http://ubio.org/NomenclatorZoologicus/ (URL no longer current). , available online at https://insecta.bio.spbu.ru/z/nomenclator_zoologicus_PDF.htm [details] Unreviewed
Taxonomic remark Described as an early metazoan (possible sponge), however this is doubted by Antcliffe et al., 2014, who state: carbonate mineralisation alone cannot be taken as indicative of metazoan affinities because it is widespread in many different microbial and algal groups (e.g. cyanobacteria, rhodophytes and chlorophytes). ... Such a structure could arrive from the calcification of microbial colonies. [details]
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