clarifying te supposed "debate" with Per Ahlberg.
Hey, Evidence free. you say you cite your sources. If that's a fact, why don't you do this:
Per Ahlberg's research paper: Per Erik Ahlberg1, Jennifer A. Clack2 & Henning Blom1,2,Vol 437|1 September 2005|doi:10.1038/nature03893
other sources (all given by Per Ahlberg's paper)
1. Jarvik, E. On the fish-like tail in the ichthyostegid stegocephalians. Meddelelser
øm Grønland 114, 1-90 (1952).
2. Jarvik, E. The oldest tetrapods and their forerunners. Sci. Mon. 80, 141-154
(1955).
3. Jarvik, E. Basic Structure and Evolution of Vertebrates Vol. 1 (Academic, New
York, 1980).
4. Coates, M. I. The Devonian tetrapod Acanthostega gunnari Jarvik: postcranial
anatomy, basal tetrapod relationships and patterns of skeletal evolution. Trans.
R. Soc. Edinb. Earth Sci. 87, 363-421 (1996).
5. Jarvik, E. The Devonian tetrapod Ichthyostega. Fossils and Strata 40, 1-206
(1996).
6. Coates, M. I. & Clack, J. A. in Studies on Early Vertebrates (eds Arsenault, M.,
Lelie`vre, H. & Janvier, P.) 373-388 (Bulletin du Muse´um national dhistoire
naturelle, Paris, 1995).
7. Coates, M. I. & Clack, J. A. Polydactyly in the earliest known tetrapod limbs.
Nature 347, 66-69 (1990).
8. Clack, J. A., Blom, H. & Ahlberg, P. E. New insights into the postcranial skeleton
of Ichthyostega. J. Vert. Paleontol. Abstr. 23, 41A (2003).
9. Blom, H., Clack, J. A. & Ahlberg, P. E. Localities, distribution and stratigraphical
context of the Late Devonian tetrapods of East Greenland. Meddelelser øm
Grønland Geosci. 43, 4-50 (2005).
10. Clack, J. A. et al. A uniquely specialised ear in a very early tetrapod. Nature
425, 65-69 (2003).
11. Clack, J. A. An early tetrapod from Romers Gap. Nature 418, 72-76 (2002).
12. Lombard, R. E. & Bolt, J. R. A new primitive tetrapod, Whatcheeria deltae, from
the Lower Carboniferous of Iowa. Palaeontology 38, 471-494 (1995).
13. Clack, J. A. & Finney, S. M. Pederpes finneyae, an articulated tetrapod from the
Tournaisian of western Scotland. J. Syst. Palaeontol. 2, 311-346 (2005).
14. Ruta, M., Coates, M. I. & Quicke, D. L. J. Early tetrapod relationships revisited.
Biol. Rev. 78, 251-345 (2003).
15. Holmes, R. The Carboniferous amphibian Proterogyrinus scheeli Romer, and the
early evolution of tetrapods. Phil. Trans. R. Soc. Lond. B 306, 431-524 (1984).
16. Clack, J. A. The dermal skull roof of Acanthostega, an early tetrapod from the
Late Devonian. Trans. R. Soc. Edinb. 93, 17-33 (2002).
Internet Infidels: http://www.freeratio.org//forumdisplay.php?f=66
the source said he went by "IronOne"
EDIT: the actual thread this all ocurred in: http://www.freeratio.org/thearchives/showthread.php?t=200704