[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: sauropod rearing

On Mon, 30 Jan 2006 GSP1954@aol.com wrote:
In a message dated 1/30/06 11:27:55 AM, rtravsky@uwyo.edu writes:

<< The pelvic region has always looked too rigid to permit much in the way of
rearing, particularly if there are large neural spines. A quick hop up,
but a sustained rearing...? >>

Say what? Rigidity would be a good thing for rearing. That's why pelvo-sacral
complexes are so robustly built, especially in ground slothes adapted for

Rigid as in inflexible. Consider elephant skeleton


and horse


Both can rear and have less rigid looking pelvic structures. BUT,
I just came across


which features for sale a replica of a baby sauropod and there's one
depiction of the replica rearing. However, that's a young one; here's
an adult


with what appears to be fused spines. This is the sort of thing I was
thinking of.