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Godefroit et al. 2004 - Reappraisal of Aralosaurus tuberiferus




Hi everybody,

I suppose this is a new reference, shame on me if it
isn't...

Mark Van Tomme



GODEFROIT, P., ALIFANOV V. & Y. BOLOTSKY, 2004. - A
re-appraisal of Aralosaurus tuberiferus (Dinosauria,
Hadrosauridae) from the Late Cretaceous of Kazakhstan.
Bulletin de l'Institut royal des Sciences naturelles
de Belgique, Sciences de la Terre, 74 supplement:
139154, 1 pl., 7 figs, Bruxelles - Brussel, December
15, 2004. - ISSN 0374-6291.

Abstract

Aralosaurus tuberiferus ROZHDESTVENSKY, 1968
(Dinosauria: Hadrosauridae) is based on a fragmentary
sku11 from the Beleutinskaya Svita (?Turonian, Late
Cretaceous) from the Sakh-Sakh locality of central
Kazakhstan. Redescription of the type material reveals
that it is a valid taxon, characterised by a hollow
nasal crest-like structure located far in front of the
orbits and by a well_developed curved crest on the
maxilla that borders laterally the caudal part of the
premaxillary shelf. Phylogenetic analysis, based on 36
cramaI characters, indicates that A. tuberiferus is
the most basallambeosaurine hadrosaurid known to date;
it is therefore not a gryposaur-like hadrosaurine as
previously described. Lambeosaurines originated from
Asia and then migrated to North America before or at
the beginning of the late Campanian. They remained
weIl diversified in eastem Asia until the late
Maastrichtian.





                
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