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

Re: T-Rex teeth



MARTIN@srv0.ems.edinburgh.ac.uk writes:

> How were a T-rex' teeth arranged?  Was it like a shark, which has a row of 
> front teeth which are easily ripped out when it bites, but has 2 or 3 rows 
> of nascent teeth which quickly grow to replace them?  Or once gone, were 
> they gone forever?

T. rex had a single row of erupted teeth, unlike a shark's multiple
rows.  But, like a shark, T. rex had nascent teeth growing in to
replace those that were being used, damaged, and lost.  This is why
excavated jawbones show teeth of many different sizes.

-dick

|   Omnes hic mentes mihi sunt, non Conlegioni Armorum Digitalum.      |
|   All opinions here are mine, not Digital Equipment Corporation's.   |
|                                                                      |
|   Easynet: VORTEX::CALIPH::BINDER     Internet: binder@zk3.dec.com   |