Taxacom: A new genus described instead of making nomen nudum available

[Francisco Welter-Schultes]

Dear mikhai,
from what you wrote, if I did not misunderstand or miss anything, your 
conclusions seem to be correct.
Yes, zoologists are free to select any name they like. The 2020 authors 
could have made Birsteiniamysis available, but they decided to select a 
different name.

If this helps.

Best wishes
Francisco

Am 25.02.2022 um 17:34 schrieb Mikhail Daneliya via Taxacom:
> Dear colleagues,
> I have another interesting case in my crustacean group. I hope you can
> clarify my confusion.
> 
> *Birsteiniamysis* first mentioned in a book of abstracts (Tchindonova,
> 1979), without a reference to species and without description.
> 
> *Birsteiniamysis* gen.n. mentioned in Tchindonova (1981), with reference to
> three species, without type species designation, without description.
> 
> The staff of the Zoogical Society of London (1985) noticed that no type
> species was designated for *Birsteiniamysis*.
> 
> *Birsteiniamysis* gen.n. mentioned in Tchindonova (1993), with reference to
> three species, with diagnosis, but without type species designation.
> 
> *Birsteiniamysis* Tchindonova, 1979 (or 1981) used by many authors as valid.
> 
> Petryashov (2014) mentioned *Birsteiniamysis inermis* (W.-Suhm, 1874) as
> the type species of *Birsteiniamysis* Tchindonova, 1979, neither providing
> a description, nor referring to Tchindonova (1993).
> 
> Hendrickx et al. (2020) do not consider Petryashev (2014) as valid
> designator, and describe a new genus *Neobirsteiniamysis* Hendrickx &
> Tchindonova, 2019 in Hendrickx et al. (2020) (without “gen. nov.”), with
> the type species *Petalophthalmus inermis *Willemoes-Suhm, 1874. Only
> online; not registered with Zoobank.
> 
> Hendrickx & Tchindonova (2020) correct themselves describing
> *Neobirsteiniamysis* gen. nov., with the type species *Petalophthalmus
> inermis *Willemoes-Suhm, 1875, and register it with Zoobank.
> 
> I would make Birsteiniamysis available, but why do the colleagues decide
> otherwise? Is everything fine here, and people can do whatever they like?
> 
> Best wishes,
> Mikhail Daneliya
> Finland
> 
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