Atlantal ribs of the Carnegie Diplodocus, Moscow and Vienna casts
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Eighteen months ago, I noted that the Carnegie Museum’s Diplodocus mount
has no atlantal ribs (i.e. ribs of the first cervical vertebra, the atlas).
But th...
1 day ago
2 comments:
All I can guess is that it is a portion of a skull. The lower curved surface is dorsal margin of the infratemporal fenestra.
I think it is the ilium of Massospondylus. The lower curved area could be part of the acetabulum.
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