[Taxacom] OMG! DNA only descriptions! - Round Three

Joey Slowik slowspider at gmail.com
Tue Aug 4 12:44:53 CDT 2020


I haven't read Meierotto et al. (2019) but have done a bit with DNA
barcoding. I don't see how that little bit of information could be
used for species descriptions alone. There have been arguments for
Generic elevation based on DNA barcodes with some success in crab
spiders, for example Breitling, R. (2019a). But it seems like with
spiders anyway you need some physical attributes as well, or more DNA.
This never rids mtDNA of always presenting the identification of the
mother in introgression. In my work I have come across species which
barcoded out as one species and morphologically was another. A clear
sign of introgression, and would be an incorrect ID using barcode
alone.

Just a couple thoughts

Joey Slowik
UAF

On 8/4/20, Carlos Alberto Martínez Muñoz via Taxacom
<taxacom at mailman.nhm.ku.edu> wrote:
> Dear Taxacomers,
> I bring to your attention a new chapter on the Meierotto et al. (2019) saga:
> Zamani et al. (2020): The omission of critical data in the pursuit of
> ‘revolutionary’ methods to accelerate the description of species.
> https://www.researchgate.net/publication/343408816_The_omission_of_critical_data_in_the_pursuit_of_'revolutionary'_methods_to_accelerate_the_description_of_species
>
> "In our eyes, methodological changes to the way species are delineated and
> described are an important component of increasing the rate of species
> description, but dismissing the existing literature, and producing
> ‘descriptions’ that contain almost no information on the morphology of
> species, its variation, their unique features, their biology, or other
> aspects, do not constitute a revolution, and cannot be adopted."
>
> Kind regards,
>
> Carlos A. Martínez Muñoz
> Zoological Museum, Biodiversity Unit
> FI-20014 University of Turku
> Finland
> Myriatrix <http://myriatrix.myspecies.info/>
> ResearchGate profile
> <https://www.researchgate.net/profile/Carlos_Martinez-Munoz>
> Myriapod Morphology and Evolution
> <https://www.facebook.com/groups/205802113162102/>
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