IRMNG name details
original description
Riding, R.; Soja, C. M. (1993). Silurian calcareous algae, cyanobacteria, and microproblematica from the Alexander terrane, Alaska. <em>Journal of Paleontology.</em> 67(5): 710-728., available online at https://doi.org/10.1017/s002233600003701x page(s): 726 [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]. , available online at http://ubio.org/NomenclatorZoologicus/ [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]. , available online at http://ubio.org/NomenclatorZoologicus/ [details]
current name source
Melnikova, L. M.; Plotitsyn, A. N.; Sobolev, I. D.; Vikentev, I. V. (2021). Some Ostracods of the Syadai Formation (Silurian) in the Polar Urals. <em>Paleontological Journal.</em> 55(5): 538-544., available online at https://doi.org/10.1134/s0031030121050099 [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]. , available online at http://ubio.org/NomenclatorZoologicus/ [details]
From other sources
Taxonomic remark Described as a calcified microproblematicum, and treated as an accepted name in recent sources, however preoccupied both in zoology (by Sphaerina Van der Wulp, 1890, Diptera) and in botany (by Sphaerina V.S. Maljavkina, 1949, fossil spores/pollen; authorship also given as Maljavkina 1949 ex Delcourt & Sprumont 1959); no published replacement name known as at 2022. In the original description, the genus is compared with some other microproblematica such as Archaesphaera Suleymanov and Calcisphaera Williamson, previously regarded as possible foraminifers or algae; in IRMNG (2022), Archaesphaera is listed as a foraminifer, while the type species of Calcisphaera is treated as a charophyte. [details]
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