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Re: New publications



So, new birds are beginning to usurp old birds before the K/T?

On Sat, 18 Sep 2004, Tommy Tyrberg wrote:

> Clarke, J. A. & Norell, M. 2004. New Avialan Remains and a Review of the
> Known Avifauna from the Late
>   Cretaceous Nemegt Formation of Mongolia. American Museum Notitates 
> 3447:1-12.
>
> ABSTRACT: Small vertebrates have remained relatively poorly known from the
> Nemegt Formation, although
> it has produced abundant and well-preserved large dinosaur remains. Here we
> report
> three new avialan specimens from the Late Cretaceous (Maastrichtian) of
> Omnogov Aimag,
> Mongolia. These fossils were collected from the Nemegt Formation exposed at
> the locality of
> Tsaagan Khushu in the southern Gobi Desert. All of the new finds are
> partial isolated bones
> with a limited number of preserved morphologies; however, they further
> understanding of
> dinosaur diversity in the Late Cretaceous of Mongolia and, specifically,
> from the Nemegt
> Formation. The new specimens are described and evaluated in phylogenetic
> analyses. These
> analyses indicate that all three fossils are placed as part of the clade
> Ornithurae.
> Avialan diversity of the Nemegt Formation is reviewed and briefly compared
> with that of
> the underlying Djadokhta and Barun Goyot Formations. These formations have
> been considered
> to represent at least two distinct Late Cretaceous environments, with the
> Nemegt typically
> interpreted as representing more humid conditions. Ornithurine and
> enantiornithine birds are
> known from the Nemegt as well as the Djadokhta and Barun Goyot Formations,
> although
> ornithurine remains are more common in the Nemegt. No avialan species known
> from the
> Djadokhta, or Barun Goyot, are also known from the Nemegt Formation and,
> overall, the
> avialan taxa from these formations do not appear more closely related to
> each other than to
> other avialans. Whether these faunal differences are best interpreted as
> environmental, temporal,
> or sampling/preservational should be further investigated.
>
> Available at: http://diglib1.amnh.org/novitates/i0003-0082-3447-01-0001.pdf
>
>
>
> The Abstract book of the 2nd WEAVP is now available at:
> http://eavp.alettra.de/abstracts/2ndWEAVPabstracts.pdf
>
> It contains several interesting things, among other things that the
> hungarian pterosaur mentioned in a recent thread is Azdarcho aff
> lancicollis: "Attila Ösi: New azhdarchid pterosaur remains from the Late
> Cretaceous of Hungary"
>
> Also:
>
> Dinosaurs from the Early Cretaceous Ilek Formation in West Siberia, Russia
>
> New sauropod remains from the Villar del Arzobispo Formation (Upper Jurassic-
> Lower Cretaceous transition) of Galve (Teruel, Spain)
>
> First dinosaur from the Shan-Thai Block of South-East Asia : a Jurassic
> sauropod from the southern peninsula of Thailand
>
> Maastrichtian sauropods of the Hateg Basin, Romania
>
> Marine reptiles from the Middle Jurassic of Northwestern Switzerland
>
> A brick in a wall: the first nyctosaurid pterosaur from the Coniacian of NE
> Mexico and its impact on the pterosaurian wing anatomy
>
> Telmatosaurus hatchlings and embryos from Tustea (Hateg Basin, Romania)
>
> Therizinosauroid Affinities Within Maniraptoriform Theropods Based On
> Embryonic Data
>
> The first dinosaur footprints from the Middle Jurassic (Bathonian ?
> Callovian) of
> the Middle Atlas mountains (Morocco)
>
> A plant-eating crocodyliform from the Late Cretaceous of Hungary
>
> Feeding the Mechanical Mosasaur: what did Carinodens eat?
>
> The inflated sauropod ? distribution and development of pneumatic structures 
> in
> the cervical vertebrae of Diplodocus (Sauropodomorpha)
>
> Upper Jurassic (Kimmeridgian and Tithonian) marine reptiles in the collections
> of the Universidad Autónoma de Nuevo León, Facultad de Ciencias de la Tierra,
> Linares, Mexico
>
> A big theropod from the Jurassic-Cretaceous boundary (Tithonian-Berriasian,
> Villar del Arzobispo Formation) of Galve sub-basin (Teruel, Spain)
>
> Two new ornithopod dinosaurs from the Lower Cretaceous (lower Barremian,
> Camarillas Formation) of Galve (Teruel, Spain)
>
>
>
>
>
> Tommy Tyrberg
>