IRMNG taxon details
original description
Monogr. Silur. Ayrshire, no. 1 page(s): 23 [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]
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 Previously at http://ubio.org/NomenclatorZoologicus/ (URL no longer current).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]
basis of record
Riding, 1977 [details]
verified source for family
Liu, L.; Wu, Y.; Yang, H.; Riding, R. (2015). Ordovician calcified cyanobacteria and associated microfossils from the Tarim Basin, Northwest China: systematics and significance. <em>Journal of Systematic Palaeontology.</em> 14(3): 183-210., available online at https://doi.org/10.1080/14772019.2015.1030128 note: tentative assignment, refer note [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
WoRMS (Mar 2013) [details]
extant flag source
Riding, 1977 [details]
habitat flag source
Riding, 1977 [details]
Unreviewed
Descriptive info Silurian; Tramitchell, near Girvan, Ayrshire, Scotland. (Index Nominum Genericorum) [details]
Taxonomic remark Originally described as fossil foraminiferan, later interpreted as calcified sheaths of blue-green algae (cyanophytes); Recent examples (from freshwater) apparently referable to Plectonema, see Riding, 1977. From Liu et al, 2015: Bornemann (1886) regarded Girvanella as a cyanobacterium, as did Pollock (1918) who interpreted it as a calcified sheath. Frémy & Dangeard (1935) compared Girvanella with Symploca, and Riding (1977a) compared it with the present-day calcified sheaths of Plectonema (Fig. 3). We therefore tentatively regard Girvanella as calcified sheaths of oscillatoriaceans. [details]
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