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[Annelida] devonian "spirorbids

J. Kirk Fitzhugh via annelida%40net.bio.net (by kfitzhug At nhm.org)
Sun Nov 5 18:09:42 EST 2006

At 03:11 AM 11/4/2006, Harry ten Hove wrote:
>Indeed the earliest reliable serpulid 
>identifications as far as I know are from the 
>Jurassic, and I would not be too surprised if 
>the spirorbids appeared in the Cretaceous only, 
>although the most recent phylogenies confirm 
>that spirorbids are an ingroup of Serpulidae 
>(e.g. E.K. Kupriyanova et al, 2006.- 
>Phylogenetic relationships within Serpulidae 
>(Sabellida, Annelida) inferred from molecular 
>and morphological data. Zoologica Scripta, 35, 
>5, September 2006, pp.421­439), making a 
>Jurassic age of spirorbid forms not unlikely.


Thanks for the overview. Speaking of the very 
nice paper by Kupriyanova et al. (2006), wherein 
partitioned analyses were performed, I would like 
to mention a paper I just published that 
discusses the fact that this popular approach is 
philosophically untenable: Fitzhugh, 
K.  2006.  The ‘requirement of total evidence’ 
and its role in phylogenetic systematics. Biology 
& Philosophy 21: 309-351. As well, my recent 
Zootaxa paper ('The abduction of phylogenetic 
hypotheses') shows that Bayesian reasoning cannot 
be applied to the inference of phylogenetic hypotheses.


J. Kirk Fitzhugh, Ph.D.
Curator of Polychaetes
Invertebrate Zoology Section
Research & Collections Branch
Los Angeles County Museum of Natural History
900 Exposition Blvd
Los Angeles CA 90007

Phone:   213-763-3233
FAX:       213-746-2999
e-mail:   kfitzhug At nhm.org
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