Basal Chondrichthyes

	Mikko's Phylogeny Archive	Chordate Groups
	Basal Chondrichthyes -families

<==o CHONDRICHTHYES (rustokalat)
   |?- †CORODONTIA
   `--+--o †CLADOSELACHIMORPHA
      |  `--o †CLADOSELACHIFORMES
      |     |?- †Antarctilamnidae?
      |     `-- †Cladoselachidae
      `--+?-o †SYMMERIIDA
         |  |-- †Stethacanthidae
         |  `-- †Symmoriidae
         `--o EUCHONDROCEPHALI
            |?-o †HELODONTIFORMES
            |  `-- †Helodontidae
            |-- ELASMOBRANCHII (leveäsuiset, true sharks)
            `-- HOLOCEPHALI (koppapäiset)

Reference(s):

Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698

Carroll, R. L., 1988: Appendix. 594-648
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698

Long, J. A., 1995: The Rise of Fishes: 500 million years of evolution.
–Johns Hopkins University Press, Baltimore & London, pp. 1-223

Nelson, J. S., 1994: Fishes of the world.
–John Wiley & Sons Inc., New York, 1994, xx-600