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Re: Extinction Question and a Thank You!

On Mon, 07 Feb 2005 08:51:18 -0500 "Thomas R. Holtz, Jr."
<tholtz@geol.umd.edu> writes:

> B) Longer answer: that being said, there certainly are some modern 
> organisms who closely resemble their ancient ancestors. Blue
> green bacteria are relatively unchanged over billions of years, at 
> least anatomically. The living Neoceratodus lungfish is nearly
> identical to the extinct Triassic Ceratodus.

Don't forget _Lingula_.

BTW:  Two _Lingula_, found laying side by side, are called co-Lingula.

.......hello?......Is this mic on?......