comparing semaphoronts

Barry M. OConnor bmoc at UMICH.EDU
Fri Oct 17 12:11:10 CDT 1997

I'm looking for studies where authors have compared cladograms generated
from characters derived from different life stages of the same organisms,
the semaphoronts of Hennig.  I'm aware of Brooks' work with the cercariae &
adults of trematodes, but am looking for similar explicit comparisons
dealing with holometabolous insects, crustacea, or other groups where
discrete "metamorphosis" is part of the life history.
        Thanks for the help.

Barry M. OConnor                phone: (313) 763-4354
Museum of Zoology               FAX: (313) 763-4080
University of Michigan          e-mail: bmoc at
Ann Arbor, MI 48109-1079  USA

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