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Dwykia

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Extinct genus of fishes

Dwykia Temporal range:Tournaisian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Family:	†Dwykiidae Gardiner, 1969
Genus:	†Dwykia Gardiner, 1969
Species:	†D. analensis
Binomial name
†Dwykia analensis Gardiner, 1969

Dwykia (named after the overlyingDwyka Group) is anextinct genus of prehistoric freshwaterray-finned fish that lived during the earlyCarboniferous period (Tournaisian age) in what is now South Africa.^[1] It contains a single species,D. analensis from theWaaipoort Formation of the UpperWitteberg Series.^[2]^[3] It is one of a number of early fish genera long placed in the likelyparaphyletic orderPalaeonisciformes.^[4]

^"PBDB Taxon".paleobiodb.org. Retrieved2024-12-15.
^Gardiner, Brian George (1969). "New palaeoniscoid fish from the Witteberg series of South Africa".Zoological Journal of the Linnean Society.48 (4):423–452.doi:10.1111/j.1096-3642.1969.tb00722.x.
^Gess, Robert W. (2016), Linol, Bastien; de Wit, Maarten J. (eds.),"Vertebrate Biostratigraphy of the Witteberg Group and the Devonian-Carboniferous Boundary in South Africa",Origin and Evolution of the Cape Mountains and Karoo Basin, Cham: Springer International Publishing, pp. 131–140,doi:10.1007/978-3-319-40859-0_13,ISBN 978-3-319-40859-0, retrieved2024-12-15
^GARDINER, BRIAN G.; SCHAEFFER, BOBB; MASSERIE, JUDY A. (2005-08-01)."A review of the lower actinopterygian phylogeny".Zoological Journal of the Linnean Society.144 (4):511–525.doi:10.1111/j.1096-3642.2005.00181.x.ISSN 0024-4082.

seeGnathostomata
Actinopterygii	see below↓

†Austelliscus †Cheirolepis †Cuneognathus †Dialipina? †Kentuckia †Krasnoyarichthys †Ligulalepis? †Limnomis †Meemannia †Moythomasia †Naxilepis? †Orvikuina? †Osorioichthys †Palaeoneiros †Pickeringius †Raynerius †Stegotrachelus †Tegeolepis †Terenolepis?
†Howqualepididae	Donnrosenia Howqualepis
†Mimiidae	Gogosardina Mimipiscis
Post-Devonian taxa	see below↓

Dorypterus
Bobasatraniidae	Bobasatrania Ebenaqua Ecrinesomus?

Mesolepis Paramesolepis Proteurynotus Wardichthys
Amphicentridae	Amphicentrum Cheirodopsis Eurynotus
Styracopteridae	Benedenius Fouldenia Styracopterus