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RE: Common ceratopsian horn ailments
The reference you are referring to here was published by R. S. Lull in
his 1933 monograph. He illustrated part of the squamosal of the YPM 1831
specimen, I believe. It was examined by a Dr. Mook(?) I think, and he
compared it to bone lesions found in human remains. The photos I've seen
are interesting, but I don't know for sure whether it was bone cancer or
not. A re-examination of the problem would be nice.
Regarding other pathologies, the St. Paul Science Museum Triceratops has
a nice drainage-canal in the jugal. Also, some Torosaurus caudal
vertebrae I've seen have monster drainage canals, indicating some sort
of painful infection. The whole centrum is warped.
C. W. Gilmore published drawings of a Triceratops orbital horn that was
injured and re-healed. The horn was broken about 2/3 of the way up, and
rounded over into a kind of stump. I have a picture of that one laying
around some where. In the same paper, Gilmore illustrated some nice
cross-sectional views of Triceratops skulls, and a scapula with a
massive spur coming off of the blade. Gilmore is definitely one of the
un-sung heroes of paleontology.
I'm trying to think of other injuries I've seen in the horns, but I
can't think of them off-hand (too late in the day).
Hope that helps,
Date: Mon, 17 Aug 1998 22:33:41 -0700
From: "Stewart, Dwight" <Dwight.Stewart@VLSI.com>
To: "'email@example.com'" <firstname.lastname@example.org>,
Subject: RE: Common ceratopsian horn ailments
I read recently (will look for the reference) that evidence was found of
"bone cancer" in a torosaurus fossil. What that evidence was, I'm not
because I don't recall the specifics. Nevertheless, I'll look for the
From: Larry Dunn [SMTP:email@example.com]
Sent: Friday, August 14, 1998 1:03 PM
Subject: Common ceratopsian horn ailments
What, if anything, does the fossil record tell us about common
ailments of ceratopsian (or ceratopian, if you prefer) horns?
Breakage, problematic rehealings (if this happened), rot,
problems due to prior malnutrition, whatever.
If there is a decent amount of material, if it genus or species
specific or common to all ceratopsians?
Most importantly, how would it manifest itself physically? For
instance, how would part of a horn have broken off? Please be
if you can so that I get a decent idea of what I'd be looking at
were standing a few feet from the head of the animal.
An odd question, but thanks for any help,
"Atheism -- a non-prophet organization"
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