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Flower of Ibatia ganglinosa. Superseded combinations for this species include Cynanchum ganglinosum, Gonolobus ganglinosus, Matelea ganglinosa, and Pseudibatia ganglinosa[1]

In taxonomy, a superseded combination is a notice of change to the binomial nomenclature of the accepted name of a species. This happens when a species is moved to a new genus after the initial species description.[2] The original name is called a superseded combination,[3] and the new name is called the new combination,[4] or comb. nov..[5]

Some but not all superseded combinations are basionyms, and some basionyms are not superseded combinations.[6] The superseded combination is not the same as a synonym and technically should not be called one.[4]

If the species is moved again to a third genus, both of the older names are considered superseded combinations. The original name is the superseded original combination and the second name is the superseded recombination.[4] If the species were moved back to a previous genus, the International Commission on Zoological Nomenclature would not consider the current name to be a new combination.[7]

The specific epithet is kept in all these name changes,[3] with perhaps some modification of the suffix to harmonize with the genus name.

The golden fireworm, currently Chloeia flava, has the superseded combination of Aphrodita flava

For example, in 1766 Peter Simon Pallas described a new species of marine polychaete worm he called Aphrodita flava.[8] In 1867, that name became a superseded (original) combination when Hjalmar Kinberg moved the species to Thesmia, creating the new combination Thesmia flava.[9] The genus Thesmia was later synonymized with Chloeia,[10] creating a new combination of Chloeia flava[11] Aphrodita flava is the superseded original combination, Thesmia flava is the superseded subsequent recombination, and the current name Chloeia flava is the new combination.[11]

References

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  1. ^ "Ibatia ganglinosa (Vell.) Morillo". The International Plant Names Index and World Checklist of Vascular Plants 2024. Archived from the original on 18 April 2024. Retrieved 9 July 2024.
  2. ^ Poulin, Robert; Presswell, Bronwen (3 May 2024). "Nomenclatural stability and the longevity of helminth species names". Systematic Parasitology. 101 (34): 34. doi:10.1007/s11230-024-10161-4. ISSN 1573-5192. OCLC 10228354427. PMC 11068675. PMID 38700784. superseded combination, when a species was moved to a different genus in the years following its original description and naming
  3. ^ a b Minelli, Alessandro (21 August 2019). "The galaxy of the non-Linnaean nomenclature". History and Philosophy of the Life Sciences. 41 (31): 31. doi:10.1007/s40656-019-0271-0. ISSN 1742-6316. OCLC 8207041585. PMID 31435827. Archived from the original on 18 January 2024. Retrieved 8 July 2024. Soon thereafter, Brünnich (1772) introduced the genus Tapirus and the valid name for the Brazilian tapir is since the Tapirus terrestris and Linnaeus' original binomen (H. terrestris) is reduced to a superseded combination (a combination of the same specific epithet—terrestris, in this case—with the name of a genus to which the species is no longer referred).
  4. ^ a b c Tammy HORTON; Serge GOFAS; Andreas KROH; Gary C.B. POORE; Geoffrey READ; Gary ROSENBERG; Sabine STÖHR; Nicolas BAILLY; Nicole BOURY-ESNAULT; Simone N. BRANDÃO; Mark J. COSTELLO; Wim DECOCK; Stefanie DEKEYZER; Francisco HERNANDEZ; Jan MEES; Gustav PAULAY; Leen VANDEPITTE; Bart VANHOORNE; Sofie VRANKEN (2017). "Improving nomenclatural consistency: a decade of experience in the World Register of Marine Species" (PDF). European Journal of Taxonomy (389): 1-24. doi:10.5852/ejt.2017.389. ISSN 2118-9773. OCLC 8538908866. Archived (PDF) from the original on 19 April 2024. Retrieved 8 July 2024.
  5. ^ "GLOSSARY DEFINITIONS OF TERMS USED IN THIS CODE". International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. 2018. Archived from the original on 22 March 2023. Retrieved 8 July 2024. new combination (combinatio nova). A new name for a taxon below the rank of genus based on a legitimate, previously published name, which is its basionym and which provides the final epithet of the new combination (Art. 6.10 and 7.3)
  6. ^ "GLOSSARY DEFINITIONS OF TERMS USED IN THIS CODE". International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. 2018. Archived from the original on 22 March 2023. Retrieved 8 July 2024. basionym. The legitimate, previously published name on which a new combination or name at new rank is based. The basionym does not itself have a basionym; it provides the final epithet, name, or stem of the new combination or name at new rank (Art. 6.10)
  7. ^ International Commission on Zoological Nomenclature (1999). International code of zoological nomenclature = Code international de nomenclature zoologique (4 ed.). London: International Trust for Zoological Nomenclature, c/o Natural History Museum. p. 101. doi:10.5962/bhl.title.50608. ISBN 0853010064. OCLC 42516582. Archived from the original on 8 July 2024. Retrieved 8 July 2024. new combination. The first combination of a generic name and a previously established species-group name.
  8. ^ Pallas, P.S. (1766) Miscellanea zoologica. Quibus novae imprimis atque obscurae animalium species describuntur et observationibus iconibusque illustrantur. Petrum van Cleef. Hagí Comitum., xii + 224 pp.;14 pls., available online at https://archive.org/details/pspallasmedicina00pall page(s): 97, plate 8, figures 7-11; note: Indian Ocean (2 locations)
  9. ^ Kinberg, Johan Gustaf Hjalmar. (1867). Om Amphinomernas systematik. Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar, Stockholm. 24(3): 83-91., available online at https://biodiversitylibrary.org/page/32326623 Archived 2024-04-19 at the Wayback Machine page(s): 86
  10. ^ Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Thesmia Kinberg, 1867. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=326050 Archived 2021-06-18 at the Wayback Machine on 2024-07-08
  11. ^ a b Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Chloeia flava (Pallas, 1766). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=209687 Archived 2024-03-26 at the Wayback Machine on 2024-07-08
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