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Article Source: BBC NewsScientists have identified the most ancient fossil relative of the predatory dinosaur Tyrannosaurus rex.
The new addition to T. rex's clan is known from a 30cm-long skull uncovered during excavations in Gloucestershire in the 1900s.
The well-preserved fossil is now held in London's Natural History Museum.
A British-German team has now uncovered evidence linking it to what may be the most famous dinosaur family of all.
Weak. I hope they are just simplifying it for the public, the features they consider synapomorphies between T rex and Proceratosaurus are also found in Ceratosaurus and other theropods not closely related to T rex, indicating convergent evolution rather than relation.
The D shaped and recurvate premaxillary teeth are certainly found in T rex, but also in Allosaurus and Ceratosaurus, a fact they seem to have overlooked...
The intrusion of the anterolateral flange of the quadrate in the infratemporal fenestra is found in T rex, but also is quite pronounced in all Ceratosaurus species.
I hope their CT scan was diagnostic, because dentition and fenestration won't cut it with Proceratosaurus. The nasal horn core is another minor problem.
#1 - Tue Nov 3, 2009 11:30 PM ESTWow justTim, couldn't have said it better myself. :-O What?
You sure know your dinosaurs. I just like to read articles about them and, watch the Discovery channel. I feel so inept. :(
Keep up the good work.
Thanks! :D
Those meat-eaters are fascinating! I am always amazed at how complex they really are :) Unfortunately I see paleontologists struggling to keep their work relevant, and that means a whole lot of T rex comparisons. I don't agree with this one so far, but may change my mind after I get the whole picture.
They sure were fascinating. As a carnivore myself, I enjoy watching their stealth, and cunning behavior. I am just glad there is a Winn Dixie store up the way from my house, and I don't have to, "bring home the bacon", in just such a fashion.
When you do "get the whole picture", let us know. It should be interesting.
REQUEST: Laymen terms only. :-)
LOL! Just got a visual of a person hunting dino-style :D
Laymen's terms...will do! There's really no fun in knowing terms like "antorbital fossa" unless you can say them every now and then though ;-)
I know exactly how you feel about words. My passion is vocabulary. I can spit the word out, read it without hesitation, and understand it's meaning. However, PLEASE don't ask me to spell it. My 'FRANKLIN SPELLING ACE' and I are connected at the hip. Or should I say, at the palm.
I am proud of you and hope you do something with YOUR passion.
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