IRMNG name 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]
source of synonymy
Naugolnykh, S. V.; Kerp, H. (1996). Aspects of Permian palaeobotany and palynology. XV. On the oldest known peltasperms with radially symmetrical ovuliferous discs from the Kungurian (uppermost Lower Permian) of the Fore-Urals (Russia). <em>Review of Palaeobotany and Palynology.</em> 91(1-4): 35-62., available online at https://doi.org/10.1016/0034-6667(95)00066-6 note: as probable synonym (of P. retensorium) [details]
status 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]
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]
extant flag 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]
Unreviewed
Descriptive info Lobed cupule-like organ; Permian; Sylva River, near Kazarinovsky, Urals, Russia. (Index Nominum Genericorum) [details]
Taxonomic remark A junior homonym of Asterodiscus A.S. Johnson, 1852 (Bacillariophyta); the type (and only) species, A. disparis Zalessky, as listed as a probable synonym of the pteridosperm Peltaspermum retensorium by Serge Naugolnykh & Kerp, 1996. [details]
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