lethargic_man: (Default)
[personal profile] lethargic_man
Ever wondered where the ancestor of snakes lived when they lost their limbs, land or sea? The mystery has now been solved.

I bet that made your day.

Date: 2004-02-02 06:14 am (UTC)
ext_8103: (Default)
From: [identity profile] ewx.livejournal.com

Interesting. (I'm not a genetecist but...) I do wonder about the strength of the conclusion though.

They say that snakes are not related to the only marine lizards they know of from the right era and therefore are unlikely to have had a marine origin; and that seems a bit contingent on what fossils we happen to have discovered. Perhaps for instance there was another kind of marine lizard which happened to stick to habitats which for some reason are unlikely to preserve fossils.

Re:

Date: 2004-02-02 11:25 am (UTC)
ext_8103: (Default)
From: [identity profile] ewx.livejournal.com
Yesterday I couldn't even spell "geneticist", now ...

Date: 2004-02-02 11:29 am (UTC)
From: [identity profile] lethargic-man.livejournal.com
...you is one?

Fossilisation of protosnakes

Date: 2004-02-02 11:43 am (UTC)
From: [identity profile] lethargic-man.livejournal.com
A fair point... but how likely is it an entire lineage of aquatic lizards existed developing into snakes without leaving a single missing link. (A non-missing missing link, I mean. :o))

<considers> Quite likely, probably.

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Lethargic Man (anag.)

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