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Typo in the Paluxysaurus paper?
The left nasal is shown in figure 5, the caption says
that 1 is the dorsal view and 2 is a lateral view. Is
this a typo? Based on a quick comparison with other
sauropods, It seems to be the other way around.
--- Mike Taylor <email@example.com> wrote:
> Jerry D. Harris writes:
> > Hi All -
> > Before we get to the juicy stuff, here's some new
> > [snip]
> But, Jerry, you missed the highlight: a new, and
> Rose, Peter J. 2007. A new titanosauriform
> (Dinosauria: Saurischia) from the Early Cretaceous
> of central
> Texas and its phylogenetic relationships.
> Electronica 10 (2): 8A.
> A collection of primitive titanosauriform sauropods
> from the Jones
> Ranch locality, Early Cretaceous Twin Mountains
> Formation (~112 Ma),
> central Texas, represents one of the richest
> accumulations of sauropod
> bones in North America. Autapomorphic characters of
> the taxon include
> cranial and mid-caudal neural arches with distinct
> intraprezygapophyseal laminae (tprl), accessory
> vertebral laminae on
> cranial dorsal neural arches, and dorsal neural
> spines that lack a
> postspinal lamina.
> Non-vertebral skeletal elements referred to the
> genus Pleurocoelus
> from the Arundel Formation of Maryland and Virginia
> possess some
> diagnostic morphological characteristics and can be
> compared with the
> Jones Ranch sauropod. The latter differs from
> Pleurocoelus in the
> shape of the caudoventral margin of the maxilla, the
> shape of the
> distal scapular blade, and the shape of the proximal
> condyle of the
> tibia. The Jones Ranch sauropod is also
> morphologically distinct from
> all other sauropods described and named from the
> Early Cretaceous of
> North America.
> Cladistic analysis places this sauropod within
> Titanosauriformes. The
> Texas sauropod does not possess synapomorphies of
> Somphospondyli, and
> derived characters that have been used to define the
> Titanosauria are
> also absent, affirming its placement as a basal
> titanosauriform. The
> new taxon from Texas is known from more material
> than any other North
> American Early Cretaceous sauropod. Description of
> the taxon increases
> the diversity of sauropods in North America during
> the Early
> Cretaceous and provides more complete, associated
> material that can be
> compared to new discoveries from this time period.
> /o ) \/ Mike Taylor <firstname.lastname@example.org>
> )_v__/\ Archosaurs rule!
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