Taxonomic Swap 145448
(Guardado el 01/08/2024)
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Worms Citation is for P.Gracilis Reeve 1846 - originally described as buccinum gracile reeve 1846.
Okay, this is really strange – there are two pages:
https://www.marinespecies.org/aphia.php?p=taxdetails&id=491249
and
https://www.marinespecies.org/aphia.php?p=taxdetails&id=1548312
I suspect this is a mistake by WoRMS: the original names of either species are, as far as I can tell, different species. However, WoRMS has (accidentally?) assigned both to the same name, yet separate authors.
I think Beechey is more on the money about P.Gracilis and P.Unicolor both recognised by WoRMS. P.Gracilis Reeve seems to be a different tropical species
My new understanding is that this isn't a mistake by WoRMS, but just a very confusing taxonomic situation. I was alerted to it by @profmollusc, but didn't look into the situation enough to understand that we were both looking at the wrong taxon (Buccinum gracile=Pisania gracilis=Prodotia lannumi instead of Phos gracilis=Pisania gracilis).
I have restored Pisania gracilis as valid and that name can now be used. Sorry about this mix up!
Are we sure that this is correct? It would appear that Pisania and Prodotia come from different families under the Buccinoidea super family. I note that Beechey thought it possible that P.Unicolor could be a synonym for p.Gracilis, P.Gracilis Sowerby1859 still accepted by WoRMS as valid species. https://www.marinespecies.org/aphia.php?p=taxdetails&id=491249
https://seashellsofnsw.org.au/Pisaniinae/Pages/Pisania_gracilis.htm