Nautilida

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(put superfamilies under taxomomy, titled dendrogram, Phylogeny.)
(Introduction: modified section)
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==Introduction==
==Introduction==
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'''Time:''' [[Devonian]] to [[Recent]].
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'''Range:''' [[Devonian]] to [[Recent]].
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The nautilids include the modern pearly ''[[nautilus]]'' and its evolutionary ancestors and relatives. During the late [[Paleozoic]] and the [[Mesozoic]] this was a large and successful group, but today is represented only by several species of the genus ''Nautilus''.
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The Nautilida is an order of mostly coiled [[Nautiloidea|nautiloid]] cephalopods, derived from the [[Oncocerida]] in the Devonian.  Today the order is represented by the modern pearly ''[[Nautilus]]'' and its close relative, ''[[Allonautilus]]''; the only two known living genera of shelled cephalopods. However during the late [[Paleozoic]] and for much of the [[Mesozoic]] this had been a large and diverse group with families and superfamilies.
==Conch Shape==
==Conch Shape==

Revision as of 01:21, 1 June 2011

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