Re: Vitakridrinda publication validity

[Justin Tweet <thescelosaurus@gmail.com>]

How long has Article 9.9 been in effect? The accepted citation for the
naming of Parksosaurus, Sternberg 1937, is the 1930s version of a GSA
abstract. Of course, the holotype had already been described by Parks
(as Thescelosaurus warreni). Not quite as odd as Lull stumping for
Procheneosaurus (named in a caption), but still...

Speaking of modification of names, the print version of "New
leptoceratopsids from the Upper Cretaceous of Alberta, Canada"
(http://dx.doi.org/10.1016/j.cretres.2011.11.018) has changed
Gryphognathus (online advance version) to Gryphoceratops. Was the
former preoccupied?

-Justin