Yates, 2001. A new look at Thecodontosaurus and the origin of sauropod
dinosaurs. JVP 21(3) 116A.
This cladogram is very different from the next one. Seems like
we're still far away from any consensus. :.-(
Galton, 2001. Valid species of prosauropod
dinosaurs from the Upper Triassic of Germany. JVP 21(3) 52A.
Hwang, Norell, Gao and Qiang, 2001. New
information on Jehol theropods. JVP 21(3) 64A.
Two new specimens of Microraptor were shown- CAGS
20-8-001 and CAGS 20-7-004. [...] Pleurocoels are absent from all
Sounds like a juvenile character. Is it
Uncinate processes have expanded distal ends and
span 3 ribs.
The relatively longest, and possibly
absolutely shortest, uncinates I've ever read of.
Five sacrals are present, whose neural spines are
fused into a lamina and transverse processes fused to the
Hey, it's in dorsal view! I predict the
ilia are far away from and more or less parallel to that lamina?
The furcula has an interclavicular angle of 92
degrees in one specimen, but 81 degrees in the other. Additionally, one
furcula has a rounded ventral edge like Sinornithosaurus, while the other is
more angular like Velociraptor.
Ah, was I wise to exclude furcular
Oddly, all metacarpals are subequal in length,
with digit I having an especially large ungual.
Are you sure the hand is not from something
The specimen that was to be named "Huaxiasaurus"
(NGMC 98-5-003) from the Lower Yixian Formation at Sihuten, Liaoning
Why "was to be named"?
It isn't the Czerkas aye-aye dino, is it?
A phylogenetic analysis with 205 characters and
48 taxa was shown,
Holtz had a phylogeny of theropods with 85 taxa
and 642 characters with the following topology-
Longrich, 2001. Secondarily flightless
maniraptoran theropods? JVP 21(3) 74A.Argued
that several characters- remiges; retrices on a proximally flexible yet
distally stiff tail; V-shaped tail in Caudipteryx; overlapping feathers with
curved rachis; foldable forelimbs; anterior center of gravity; enlaged
posteroventral pectoralis origin; thoracic bracing. His phylogeny based
on 30 taxa and over 250 characters is-
I'm amazed that hundreds of characters, and several times as many
characters as taxa, still produce really big polytomies.
Norell, Makovicky, Currie and Ji, 2001. Three
cases of soft-tissue preservation in theropod dinosaurs: Changing our
perception of theropod appearence. JVP 21(3) 83A-84A.
The distribution of different types of integument
on cf. Sinornithosaurus is explained in detail- single filaments are on the
head and tail, sprays of multiple filaments from a single base are on the body
and thigh while true feathers are on the arms. Another Sinornithosaurus
specimen (BI 3-13) is also described. It is almost complete, preserved
in side view. There are long feathers with rachis on the forelimbs and
hindlimbs, as well as a 250 millimeter long tail
So it has wings and a
3. Thou shalt not make in thy thesis any
graven image, nor any likeness of anything that is in the H E A V E N
S above, nor in the E A R T H beneath, nor in the W A T
E R S under the earth.