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RE: Can we tell if any dinosaurs observed semelparity?





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> Date: Sat, 20 Mar 2010 09:13:05 -0400
> From: tholtz@umd.edu
> To: keenir@hotmail.com
> CC: dinosaur@usc.edu
> Subject: Re: Can we tell if any dinosaurs observed semelparity?
>
> Assuming that multi-year associations of dinosaurs are actually family
> groups (not an absolutely safe assumption, but a pretty secure one), then
> we have multiple broods of Psittacosaurus, Sinornithomimus, tyrannosaurs,
> many centrosaurines, hadrosaurids, and more found together. Since a
> semelparous taxon cannot--by definition--produce more than one brood,
> semelparity in dinosaurs seems highly unlikely.
 
Thank you for your time and for your reply.
 
have nice days and be well.
 

>
> Anthony Docimo wrote:
>>
>>
>> I was reading an essay by David Quammen about semelparity in bamboo and
>> salmon, and my thought was "could sauropods do this? the long-lived
>> females lay their eggs and leave them to the males, while the females limp
>> away to draw the predators *away* from the eggs and males."
>>
>>
>>
>> Is there any way to tell which, if any, of the dinosaurs practiced
>> semelparity? (having a long long life, breeding once & producing scores
>> of young, then dying)
>>
>>
>> thank you.
>>
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>
>
> --
> Thomas R. Holtz, Jr.
> Email: tholtz@umd.edu Phone: 301-405-4084
> Office: Centreville 1216
> Senior Lecturer, Vertebrate Paleontology
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>
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>                                         
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