Martian human species

[Curtis Clark]

At 12:35 PM 9/27/99 -0500, Tom DiBenedetto wrote:
>If they now
>lose their mammary glands, go through a massive bout of reductive
>evolution to the point where they become single-celled, crawl into a
>thermal vent and start sucking sulfur, they will still be part of
>Mammalia, because Mammalia refers to a *historical lineage*., as do all
>taxa.

Just as evidently some retroviruses are mammals.

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