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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.

Harry,

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.

Best,
Kirk

-----------------------------------------------------
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
http://www.nhm.org/research/annelida/staff.html
http://www.nhm.org/research/annelida/index.html
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