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Re: "Cope's Rule" Put to the Test
In a message dated 97-01-26 15:00:56 EST, email@example.com (Jonathan R.
<< >Rather, I say that BCF provides an instance of a phylogeny that >follows<
>Cope's Rule and is not an exception to it.
And this implies that Cope's rule is a workable construct, for which
exceptions must be justified. No evidence. >>
Name a genus of horse, fossil or recent, that is smaller than
_Hyracotherium_. Name a tetrapod family or other clade most of whose included
genera and species are of a >significantly< smaller adult size (factor of two
or more) than its earliest-known member or hypothesized common ancestor. For
every one you name of the latter, I'll name three that show the opposite