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Re: [dinosaur] Diplodocus Marsh, 1878 (Sauropoda), ICZN petition to designate D. carnegii Hatcher, 1901 as type species

Just a note to readers:

Diplodocimorpha has nothing to do with the ICZN. It's not a
coordinate-ranked taxon.

On Tue, Apr 12, 2016 at 11:14 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
> A new petition to the ICZN. (Thanks to Cary Woodruff for passing this item
> on.)
> Case 3700
> Diplodocus Marsh, 1878 (Dinosauria, Sauropoda): proposed designation of D.
> carnegii Hatcher, 1901 as the type species.
> Emanuel Tschopp and Octávio Mateus (2016)
> Bulletin of Zoological Nomenclature 73(1): 17-24
> http: //
> docentes.fct.unl.pt/omateus/files/tschopp_mateus_2016_-_case_3700_-_diplodocus_type.pdf
> Abstract.
> The purpose of this application, under Articles 78.1 and 81.1 of the Code,
> is to replace Diplodocus longus Marsh, 1878 as the type species of the
> sauropod dinosaur genus Diplodocus by the much better represented D.
> carnegii Hatcher, 1901, due to the undiagnosable state of the holotype of D.
> longus (YPM 1920, a partial tail and a chevron). The holotype of D.
> carnegii, CM 84, is a well-preserved and mostly articulated specimen. Casts
> of it are on display in various museums around the world, and the species
> has generally been used as the main reference for studies of comparative
> anatomy or phylogeny of the genus. Both species are known from the Upper
> Jurassic Morrison Formation of the western United States. The genus
> Diplodocus is the basis for the family-level taxa diplodocinae Marsh, 1884,
> diplodocidae Marsh, 1884, diplodocimorpha Marsh, 1884 (Calvo & Salgado,
> 1995) and diplodocoidea Marsh, 1884 (Upchurch, 1995). It is also a specifier
> of at least 10 phylogenetic clades. With the replacement of D. longus by D.
> carnegii as type species, Diplodocus could be preserved as a taxonomic name
> with generally accepted content. Taxonomic stability of the entire clade
> diplodocoidea, and the proposed definitions of several clades within
> Sauropoda, could be maintained.
> Keywords. Nomenclature; taxonomy; Dinosauria; Sauropoda; diplodocidae;
> Diplodocus; Diplodocus longus; Diplodocus carnegii; U.S.A.; Upper Jurassic
> Morrison Formation.

Jaime A. Headden
The Bite Stuff: 

"Innocent, unbiased observation is a myth" - P. B. Medawar (1969)