Symmoriidae

Symmoriidae is an extinct family of holocephalians[1]</ref> from the Devonian and Carboniferous periods.[2]

Symmoriidae
Temporal range: Devonian to Carboniferous, Famennian–Moscovian
Symmorium.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: †Symmoriida
Family: †Symmoriidae
Dean, 1909
Genera

References
  1. Coates, Michael I.; Gess, Robert W.; Finarelli, John A.; Criswell, Katharine E.; Tietjen, Kristen (January 2017). "A symmoriiform chondrichthyan braincase and the origin of chimaeroid fishes". Nature. 541 (7636): 208–211. doi:10.1038/nature20806. ISSN 0028-0836.
  2. https://web.archive.org/web/20070927011823/http://comenius.susqu.edu/biol/202/Animals/DEUTEROSTOMES/CRANIATA/CHONDRICHTHYES.htm
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