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IRMNG taxon detailsMembranosphaera S.R. Samoilovitch ex G. Norris & W.A.S. Sarjeant, 1965 †
marine,
fossil only
Not documented
Taxonomic remark From DINOFLAJ3: The name Membranosphaera was originally used by Samoilovitch in Samoilovitch and Mtchedlishvili (1961,...
Taxonomic remark From DINOFLAJ3: The name Membranosphaera was originally used by Samoilovitch in Samoilovitch and Mtchedlishvili (1961, p.251) as the name of a "group". Lentin and Williams (1989, p.241) considered that the name Membranosphaera was validly published by Norris and Sarjeant (1965, p.40). However, Fensome et al. (1990, p.313) noted "... Samoilovitch and Mtchedlishvili (1961) assigned species directly to Membranosphaera, thus clearly indicating Membranosphaera to be equivalent to a genus. Since Lentin and Williams (1989) did not specify which nomenclatural rule they were invoking, Williams et al. (1998, p.396) considered this generic name to have been validly published in Samoilovitch and Mtchedlishvili (1961)". Stover and Evitt (1978, p.263) and Fensome et al. (1990, p.313) included this genus in the acritarchs. Vozzhennikova in Lentin and Williams (1993, p.421) noted that Membranosphaera is a dinoflagellate cyst with an apical archeopyle. [details]
IRMNG (2021). Membranosphaera S.R. Samoilovitch ex G. Norris & W.A.S. Sarjeant, 1965 †. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=1089984 on 2025-03-28
Date action by
basis of record
Fensome, R.A., Taylor, F.J.R., Norris, G., Sarjeant, W.A.S., Wharton, D.I. & Williams, G.L. (1993). A Classification of Living and Fossil Dinoflagellates. Micropaleontology Special Publication 7, 350pp. [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 Sluijs, A.; Bijl, P. K.; Schouten, S.; Röhl, U.; Reichart, G.-J.; Brinkhuis, H. (2011). Southern ocean warming, sea level and hydrological change during the Paleocene-Eocene thermal maximum. <em>Climate of the Past.</em> 7(1): 47-61., available online at https://doi.org/10.5194/cp-7-47-2011 [details] verified source for family Williams, G. L.; Fensome, R. A.; MacRae, R. A. (2017). DINOFLAJ3. American Association of Stratigraphic Palynologists, Data Series no. 2. , available online at http://dinoflaj.smu.ca/dinoflaj3 note: as per Elytrocysta [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 Fensome, R.A., Taylor, F.J.R., Norris, G., Sarjeant, W.A.S., Wharton, D.I. & Williams, G.L. (1993). A Classification of Living and Fossil Dinoflagellates. Micropaleontology Special Publication 7, 350pp. [details] extant flag source Fensome, R.A., Taylor, F.J.R., Norris, G., Sarjeant, W.A.S., Wharton, D.I. & Williams, G.L. (1993). A Classification of Living and Fossil Dinoflagellates. Micropaleontology Special Publication 7, 350pp. [details] habitat flag source Fensome, R.A., Taylor, F.J.R., Norris, G., Sarjeant, W.A.S., Wharton, D.I. & Williams, G.L. (1993). A Classification of Living and Fossil Dinoflagellates. Micropaleontology Special Publication 7, 350pp. [details] Unreviewed
Descriptive info Upper Cretaceous; W Siberia, Russia. (Index Nominum Genericorum) [details]Taxonomic remark From DINOFLAJ3: The name Membranosphaera was originally used by Samoilovitch in Samoilovitch and Mtchedlishvili (1961, p.251) as the name of a "group". Lentin and Williams (1989, p.241) considered that the name Membranosphaera was validly published by Norris and Sarjeant (1965, p.40). However, Fensome et al. (1990, p.313) noted "... Samoilovitch and Mtchedlishvili (1961) assigned species directly to Membranosphaera, thus clearly indicating Membranosphaera to be equivalent to a genus. Since Lentin and Williams (1989) did not specify which nomenclatural rule they were invoking, Williams et al. (1998, p.396) considered this generic name to have been validly published in Samoilovitch and Mtchedlishvili (1961)". Stover and Evitt (1978, p.263) and Fensome et al. (1990, p.313) included this genus in the acritarchs. Vozzhennikova in Lentin and Williams (1993, p.421) noted that Membranosphaera is a dinoflagellate cyst with an apical archeopyle. [details] |
