Hemichordata
Acorn worms and pterobranchs
- Planctosphaeroidea
- Planctosphaeridae
- Pterobranchia
- Cephalodiscidae
- Rhabdopleuridae
- Atubaridae
- Enteropneusta
- Ptychoderidae
- Harrimaniidae
- Spengelidae
- Saxipendiidae
References
Benito, J. and F. Pardos. 1997. Hemichordata. Pages 15-101 in Microscopic Anatomy of Invertebrates, Vol. 15. F. W. Harrison, ed. Wiley Liss, New York.
Cameron, C.B., J. R. Garey, and B. J. Swalla. 2000. Evolution of the chordate body plan: New insights from phylogenetic analyses of deuterostome phyla. Proceedings of the National Academy of Sciences USA 97:4469-4474.
Castresana, J., G. Feldmaier-Fuchs, S. Yokobori, N. Satoh, and S. Pääbo. 1998. The mitochondrial genome of the hemichordate Balanoglossus carnosus and the evolution of deuterostome mitochondria. Genetics 150:1115-1123.
Halanych, K. M. 1995. The phylogenetic position of the pterobranch hemichordates based on 18S rDNA sequence data. Molecular Phylogenetics and Evolution 4:72-76.
Henry, J. Q., K. Tagawa and M. Q. Martindale. 2001. Deuterostome evolution: early development in the enteropneust hemichordate, Ptychodera flava. Evolution and Development 3:375-390.
Winchell, C. J., J. Sullivan, C. B. Cameron, B. J. Swalla, and J. Mallatt. 2002. Evaluating hypotheses of deuterostome phylogeny and chordate evolution with new LSU and SSU ribosomal DNA data. Molecular Biology and Evolution 19:762-776.
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Tree of Life Web Project. 1995. Hemichordata. Acorn worms and pterobranchs. Version 01 January 1995 (temporary). http://tolweb.org/Hemichordata/2498/1995.01.01 in The Tree of Life Web Project, http://tolweb.org/