Should Olivaichthys viedmensis get moved to Diplomystes??

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bekateen
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Should Olivaichthys viedmensis get moved to Diplomystes??

Post by bekateen »

Working on the Diplomystidae, I see . From what I can find, that name has not been valid for a long time and yet I find no old forum posts to address removing it (or not moving it) from Olivaichthys to Diplomystes viedmensis. Does any of our taxonomy folk have an objection as to why I shouldn't update this?

As context, the recent paper (HERE) updating Diplomystes says this about sp. nov.:
The five individuals kept as vouchers from the Bueno Basin show a long and continuous lateral line typical of the genus Diplomystes, so they were assigned to this genus following Arratia and Quezada-Romegialli (2017). The inclusion of this species to the genus Diplomystes makes the genus paraphyletic relative to Olivaichthys. Therefore, the genus Diplomystes should be used instead of Olivaichthys for species from Atlantic basins and the Baker Basin.
If this move is made, then Olivaichthys will be a genus without any species.

Cheers,
Eric
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Re: Should Olivaichthys viedmensis get moved to Diplomystes??

Post by Jools »

I can't see any reason not to move it. I'll pickup the empty genus at some point, I get a monthly alert. If someone describes a new catfish genus meantime then this can be readily reused (you and I will remember).

The odd thing is no robot has identified it as being in the wrong genus but I think that's to do with the following complexity:
Eschmeyer's Catalog of Fishes wrote:cuyanus, Diplomystes viedmensis Ringuelet [R. A.] 1965:91 [Physis (Buenos Aires) v. 25 (no. 69); ref. 9247] Arroyo Taucha [Yaucha], Vilucó, Province of Mendoza, Argentina. Holotype: MLP 286. Paratypes: MLP 948 (1). Type catalog: Ferraris 2007:166 [ref. 29155], Miquelarena & Nadalin 2014:10 [ref. 33466]. •Valid as Olivaichthys cuyanus (Ringuelet 1965) -- (de Pinna 1998:291 [ref. 23847], Ferraris in Reis et al. 2003:256 [ref. 27061], Ferraris 2007:166 [ref. 29155]). •Valid as Diplomystes cuyanus Ringuelet 1965 -- (Azpelicueta 1994:228 [ref. 22312], Azpelicueta 1994:13 [ref. 22377], Burgess & Finley 1996:163 [ref. 22901], Azpelicueta & Gosztonyi 1998:902 [ref. 25377], López et al. 2002:60 [ref. 26808], López et al. 2003:37 [ref. 27366], Lundberg et al. 2004:72 [ref. 27673], Menni 2004:79 [ref. 28131], Muñoz-Ramírez et al. 2014:148 [ref. 33192] with remarks, Mirande & Koerber 2015:27 [ref. 35117], Muñoz-Ramírez et al. 2023:8 [ref. 40526]). Current status: Valid as Diplomystes cuyanus Ringuelet 1965. Diplomystidae. Distribution: South America: several river basins in southern Argentina (Pacific drainage). Habitat: freshwater.

mesembrinus, Diplomystes viedmensis Ringuelet [R. A.] 1982:349, Figured (p. 350) [Limnobios (La Plata) v. 2 (no. 5); ref. 8984] Mouth of Senguer River, 45°60'S, 49°10'W, Province of Chubut, Argentina. Holotype (unique): MLP 8452. Type catalog: Ferraris 2007:166 [ref. 29155], Koerber 2007:2 [ref. 29776] with corrections, Miquelarena & Nadalin 2014:10 [ref. 33466]. •Valid as Olivaichthys mesembrinus (Ringuelet 1982) -- (Ferraris in Reis et al. 2003:256 [ref. 27061], Ferraris 2007:166 [ref. 29155]). •Valid as Diplomystes mesembrinus Ringuelet 1982 -- (Azpelicueta 1994:231 [ref. 22312], Azpelicueta 1994:13 [ref. 22377], Burgess & Finley 1996:163 [ref. 22901], Azpelicueta & Gosztonyi 1998:902 [ref. 25377], López et al. 2002:60 [ref. 26808], López et al. 2003:37 [ref. 27366], Lundberg et al. 2004:72 [ref. 27673], Menni 2004:79 [ref. 28131], Muñoz-Ramírez et al. 2014:146 [ref. 33192], Mirande & Koerber 2015:27 [ref. 35117], Muñoz-Ramírez et al. 2023:8 [ref. 40526]). Current status: Valid as Diplomystes mesembrinus (Ringuelet 1982). Diplomystidae. Distribution: South America: Baker, Chubut and Senguer River basins, Argentina. Habitat: freshwater.

viedmensis, Diplomystes MacDonagh [E. J.] 1931:65 [Notas Preliminares del Museo de La Plata v. 1; ref. 16301] Río Negro, vicinity of Viedma, Province of Río Negro, Argentina. Holotype: MLP 214 [ex 19-III-31.3]. Paratypes: MLP 8966 [ex MCILP 19-III-31-1] (1); ?MCLIP 19-III-31-2 (1). Type catalog: Ferraris 2007:166 [ref. 29155], Miquelarena & Nadalin 2014:10 [ref. 33466]. •Valid as Olivaichthys viedmensis (MacDonagh 1931) -- (de Pinna 1998:291 [ref. 23847] on Arratia 1987, Ferraris in Reis et al. 2003:256 [ref. 27061], López et al. 2003:37 [ref. 27366], Ferraris 2007:166 [ref. 29155], Arratia & Quezada-Romegialli 2017:6 [ref. 35155]). •Valid as Diplomystes viedmensis MacDonagh 1931 -- (Arratia 1987:68 [ref. 5957], Burgess 1989:25 [ref. 12860], Azpelicueta 1994:224 [ref. 22312], Azpelicueta 1994:12 [ref. 22377], Azpelicueta & Gosztonyi 1998:901 [ref. 25377], López et al. 2002:60 [ref. 26808], Lundberg et al. 2004:72 [ref. 27673], Menni 2004:79 [ref. 28131], Muñoz-Ramírez et al. 2014:146 [ref. 33192], Mirande & Koerber 2015:28 [ref. 35117], Muñoz-Ramírez et al. 2023:8 [ref. 40526]). Current status: Valid as Diplomystes viedmensis MacDonagh 1931. Diplomystidae. Distribution: South America: Negro River basin, Argentina and Chile. Habitat: freshwater.


Cheers,

Jools
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bekateen
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Re: Should Olivaichthys viedmensis get moved to Diplomystes??

Post by bekateen »

Thanks. Will do.
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