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Re: New sauropod paper
Mike Taylor wrote-
> If "R. tamesnensis" doesn't have designated type material, its a
> nomen nudum and Sereno et al. can make those specimens the holotype
> of whatever name they choose. However, I have not read de
> Lapparent's paper to see if this is really the case.
There is an English translation freely downloadable from the wondrous
Polyglot Paleontologist web-site:
In this, "_R._" _tamesnensis_ is described in reasonable detail in
pages 29-35. There was evidently a great deal of material -- 4 teeth,
100 vertebrae, 12 ribs, 5 scapulae, 1 ilium, 2 ischia and a whole mass
of appendicular material. However, it does seem that no particular
part of this agglomeration is specified to be the holotype; indeed, I
can't find a single specimen number listed anywhere in the section.
So it looks like you're right -- the name is taxonomic junk.
Doesn't this just mean all of the specimens are syntypes? A lectotype
should probably be chosen, but the name's hardly invalid. Note Sereno chose
a lectotype for Elaphrosaurus gautieri when he renamed it Spinostropheus.