RE: dinodimorphism

["Peschier, Jarno" <jpeschier@saralee-de.com>]

> -----Original Message-----
> From: Nick Longrich [mailto:longrich@alumni.princeton.edu]
> Sent: Friday, December 21, 2001 3:02 AM
> To: dinosaur@usc.edu
> Subject: dinodimorphism
> 
>> While the determination of the presence or absence of sexual 
>> dimorphism can be gleamed from some groups of dinosaurs, I
>> think that trying to determine the sex of a fossil dinosaur
>> is probably a pipe dream. If someone proves me wrong,
>> however, I'd be very excited. ;)
> 
>       There's a way- eggs found inside a gracile or robust 
> morphotype would pretty clearly demonstrate that one of the
> morphs was female.

In fact, wouldn't this only demonstrate this for the one particular specimen
found? Couldn't the different morphs not still simply represent individual
variations or (sub)species differences, implying that individuals of both
morphs could have been either male or female...?

With mesozoic greetings,
Jarno Peschier (dinosaur@jarno.demon.nl)