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Symmorium

Chondrichthyes - Symmoriiformes - Symmoriidae

Taxonomy
Symmorium was named by Cope (1893) [Sepkoski's age data: D Fame-u C Mosc-u Sepkoski's reference number: 2,451,898].

It was assigned to Cladodontidae by Jordan (1963); to Symmoriida by Sepkoski (2002); and to Symmoriidae by Zangerl (1981), Williams (1985), Goto et al. (1988), Ivanov (1999) and Ginter et al. (2010).

Synonymy list
YearName and author
1893Symmorium Cope p. 999
1963Symmorium Jordan p. 592
1981Symmorium Zangerl p. 70
1985Symmorium Williams p. 103
1988Symmorium Goto et al. p. 292
1999Symmorium Ivanov p. 273
2002Symmorium Sepkoski, Jr.
2010Symmorium Ginter et al. p. 60

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
superorderCladodontomorphi
orderSymmoriiformes()
familySymmoriidaeDean 1909
genusSymmorium

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available