Re: Platyhystrix and dinosaur humps/sails

[Dinogeorge@aol.com]

In a message dated 3/8/00 12:43:35 PM EST, Dinogeorge@aol.com writes:

<< I called it a ridge once or twice somewhere. There's also an ample ridge 
in 
 Becklespinax, though nothing else is known about it. >>

Now that I mention it, carnosaurs of the family Sinraptoridae generally have 
tall, laterally flattened neural spines on their caudal dorsal vertebrae (I 
consider this a probable sinraptorid synapomorphy), and these may grade into 
true ridges in some genera (e.g., Metriacanthosaurus).