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RE: sauropods' lifespan
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu]
> On Behalf Of Jura
> > >> Living up to 100 years - just a popular-science
> > guess or any
> > >> _references_ for such a statement?
> > >> Cheers, David
> > >
> > > In fact, there is no evidence that sauropods lived
> > longer than ~50 years or
> > > so:
> > > Sander, P.M. 2000. Longbone histology of the
> > Tendaguru sauropods:
> > > implications for growth and biology. Paleobiology
> > 26:466-488.
> > Around 50 years? Even the really large ones? That's some
> growth rate.
> To heck with the growth rate, if the 50 year limit applies to
> all the large sauropods, then that makes for a remarkably
> craptacular lifespan.
> Even (relatively) puny elephants beat that number out at 70 years.
> Which says nothing for bicentennial whales.
Yes, but elephants and whales suffer from the craptacular placental mode of
reproduction, so they have to invest a HUGE amount of resources over long
periods of time to increase the survival chance of a few offspring.
Sauropods, on the other hand, can use the shotgun approach...
Thomas R. Holtz, Jr.
Email: firstname.lastname@example.org Phone: 301-405-4084
Office: Centreville 1216
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Faculty Director, Earth, Life & Time Program, College Park Scholars
Mailing Address: Thomas R. Holtz, Jr.
Department of Geology
Building 237, Room 1117
University of Maryland
College Park, MD 20742 USA