Temporal range: Devonian to Carboniferous, Famennian–Moscovian
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Symmorium.
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Chondrichthyes
Order:
†Symmoriiformes
Family:
†Symmoriidae Dean, 1909
Genera
Cobelodus
Denaea
Petrodus
Symmorium
Symmoriidae is an extinct family of holocephalians[1] from the Devonian and Carboniferous periods.[2]
^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. Bibcode:2017Natur.541..208C. doi:10.1038/nature20806. ISSN 0028-0836. PMID 28052054. S2CID 4455946.
^"HIERARCHICAL TAXONOMY OF THE CLASS CHONDRICHTHYES". comenius.susqu.edu. 2007-09-27. Archived from the original on 2007-09-27. Retrieved 2021-11-23.
Symmoriidae is an extinct family of holocephalians from the Devonian and Carboniferous periods. Coates, Michael I.; Gess, Robert W.; Finarelli, John A...
hypothesis states that the order Symmoriida consists of the families Symmoriidae, Stethacanthidae and Falcatidae and thus are a monophyletic group. Another...
group is very controversial. There are two main hypothesis: The Families Symmoriidae, Stethacanthidae and Falcatidae are included within the Order Symmoriiformes...
(Asselian) Campo Mourão Formation Brazil Possibly a member of the family Symmoriidae. The type species is C. wittigi. ‘Dasyatis’ reticulata Sp. nov Guinot...
Global Information
