Fwd: Re: More on the 'cladistics' of sequences

Jim Whitfield jwhitfie at LIFE.UIUC.EDU
Fri Jun 4 16:54:32 CDT 2004

Two other quite influential ones that could be mentioned in the
context of whether (or how)
a priori polarization of characters is required are:

Maddison, W. P., M. J. Donoghue and D. R. Maddison. 1984.  Outgroup
analysis and parsimony.
Syst. Zool. 33: 83-103.

Meacham, C. A.  1984.  The role of hypthesized direction of
characters in the estimation of evolutionary history.  Taxon 33:

These two discuss methods more like the way modern parsimony programs
work, especially with multiple outgroups.

                                                Cheers, Jim

>Date:         Fri, 4 Jun 2004 16:59:39 -0400
>Reply-To: "Stephen C. Carlson" <scarlson at MINDSPRING.COM>
>Sender: Taxacom Discussion List <TAXACOM at listserv.nhm.ku.edu>
>From: "Stephen C. Carlson" <scarlson at MINDSPRING.COM>
>Subject:      Re: More on the 'cladistics' of sequences
>To: TAXACOM at listserv.nhm.ku.edu
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>Back in 1997, a member of Taxacom posted a list of 17 references
>for outgroup analysis:
>     http://biodiversity.uno.edu/~gophtax/_gophtax.97/1133.html
>Of those, the following four seem to be the most important:
>Donoghue, M.J. and P.D. Cantino. 1984. The logic and limitations of the
>outgroup substitution approach to cladistic analysis. Systematic Botany
>Farris, J.S. 1982. Outgroups and parsimony. Systematic Zoology 31:328-334.
>Stevens, P.F. 1980. Evolution of polarity of character states. Annual
>Review of Ecology of Systematics 11:333-358.
>Watrous, L.E. and Q.E. Wheeler. 1981. The out-group comparison method of
>character analysis. Systematic Zoology 30:1-11.
>Stephen Carlson
>Stephen C. Carlson,
>mailto:scarlson at mindspring.com
>"Poetry speaks of aspirations, and songs chant the words."  Shujing 2.35

James B. Whitfield
Associate Professor
Entomology, 320 Morrill Hall
505 S. Goodwin Ave
University of Illinois
Urbana, IL 61801
tel. (217)333-2567 (office)
(217) 265-8123 (lab)
FAX (217) 244-3499
email jwhitfie at life.uiuc.edu
lab web pages:  http://www.life.uiuc.edu/whitfield/

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