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Newcomer (Male) with a few things to share (2nd attempt)
Not sure if my first attempt at sending this quite worked (got one response
saying it was truncated) so I'm sending this again.
Oh, and as for the person who thought I was female, I'm not. Jamie is
actually short for James.
Hello, I'm kind of new here and I thought I'd introduce myself on the list
(though I've been lurking around the archives for the past year or so.)
My name is Jamie Stearns. I am 18 and going into college, hopefully to
become a paleontologist. I've been interested in dinosaurs since I was 5,
and have recently completed a massive cladogram containing every taxon I
could find sufficient information on, using several different websites as
well as the archives of this list. I have attempted in most cases to find
pictures or diagrams of the actual skeletal material to base my conclusions
on, though much of it is somewhat of a compromise between different
analyses. Due to the size of it, I'm going to start by posting a small part
of it here.
Non-Coelurosaurian Theropods:
|--Ornithischia
|--Sauropodomorpha
|--Guaibasaurus
|--Eoraptor
|----Herrerasaurus
| `--Staurikosaurus
|--Segisaurus
|--Procompsognathus
|--Coelophysis
|--Syntarsus
|--Gojirasaurus
|--Liliensternus
|--Dilophosaurus
|-----Elaphrosaurus
| |--Spinostropheus
| |--Ceratosaurus
| |--Rugops
| |----Masiakasaurus
| | `--Noasaurus
| |----Abelisaurus
| | `--Indosuchus
| |--Ekrixinatosaurus
| |----Aucasaurus
| | `--Carnotaurus
| |--Majungasaurus
| `--Rajasaurus
|-------Megalosaurus
| | `--Poekilopleuron
| |--Torvosaurus
| |----Baryonyx
| | `--Suchomimus
| |--Irritator
| `--Spinosaurus
|--Eustreptospondylus
|--Gasosaurus
|-----Cryolophosaurus
| |--Piatnitzkysaurus
| |--Afrovenator
| |--Monolophosaurus
| |--Fukuiraptor
| |-----Siamotyrannus
| | |--Metriacanthosaurus
| | |--Sinraptor
| | `--Yangchuanosaurus
| |--Allosaurus
| |--Neovenator
| |--Acrocanthosaurus
| |--Tyrannotitan
| |--Carcharodontosaurus
| |--Giganotosaurus
| `--Mapusaurus
`--Coelurosauria
I could not find much information on *Dubreuillosaurus* and the identity of
*Shuvosaurus* seems somewhat problematic, so I'm not sure exactly where to
put either one.
I agree with Rauhut on the placement of *Dilophosaurus* as well as the
inclusion of *Afrovenator* within Carnosauria (however, I find it to be
somewhat more basal than Rauhut). Piatnitzkysaurus may belong here too, as
it also seems to have the characteristic lacrimal ornamentation and the
narrow frontal between the eyes shared by other carnosaurs, though I'm not
sure its lacrimal is known.
I'm not sure why coelophysids are considered monophyletic. *Gojirasaurus*
and *Liliensternus*, at least the reconstructions I've seen of them, appear
to be closer to *Dilophosaurus* at least in size and robust build than
either is to *Coelophysis*, though I may be missing something here.
Finally, *Elaphrosaurus* and it's relative *Spinostropheus* are also pretty
hard to place, given that they're alternately placed as coelophysids (well,
*Elaphrosaurus* at least), more derived ceratosaurs, basal abelisaurs, or
even close to the beginning of Noasauridae. I have them as basal to
(*Ceratosaurus*+Abelisauria) at the moment.