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Symmoriiformes

Chondrichthyes - Symmoriiformes

Synonymy list
YearName and author
1981Symmoriida Zangerl p. 68
1985Symmoriida Williams p. 88
1988Symmoriida Goto et al. p. 292
1998Symmoriida Williams p. 251
2001Symmoriida Coates and Sequeira
2002Symmoriida Sepkoski
2008Symmoriiformes Maisey p. 186
2010Symmoriiformes Ginter et al. p. 59
2013Symmoriiformes Ivanov et al.
2016Symmoriiformes Nelson et al. p. 46

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
superorderCladodontomorphi
orderSymmoriiformes()
orderSymmoriiformes()

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.

Or. †Symmoriiformes Zangerl 1981
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G. †Dwykaselachus Oelofsen 1986
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†Dwykaselachus oosthuizeni Oelofsen 1986
Fm. †Falcatidae Zangerl 1990
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G. †Cosmoselachus Bronson et al. 2024
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†Cosmoselachus mehlingi Bronson et al. 2024
G. †Damocles Lund 1986
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†Damocles attenuatus Davis 1883
†Damocles serratus Lund 1986
G. †Denaea Pruvost 1922
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†Denaea decora Ivanov 1999
†Denaea fournieri Pruvost 1922
†Denaea saltsmani Ginter and Hansen 2010
†Denaea wangi Wang et al. 2004
G. †Falcatus Lund 1985
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†Falcatus falcatus St John and Worthern 1875
†Falcatus hamatus Agassiz 1837
†Falcatus proclivus St John and Worthern 1875
G. †Ozarcus Pradel et al. 2014
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†Ozarcus mapesae Pradel et al. 2014
G. †Ferromirum Frey et al. 2020
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†Ferromirum oukherbouchi Frey et al. 2020
G. †Kawichthys Pradel et al. 2011
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†Kawichthys moodiei Pradel et al. 2011
G. †Kungurodus Ivanov 2017
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†Kungurodus obliquus Ivanov 2005
G. †Stemmatias Hay 1899
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†Stemmatias bicristatus St John and Worthen 1875
†Stemmatias bifurcatus St John and Worthen 1875
†Stemmatias cheiriformis St John and Worthen 1875
†Stemmatias compactus St John and Worthen 1875
†Stemmatias keokuk St John and Worthen 1875
†Stemmatias simplex St John and Worthen 1875
†Stemmatias symmetricus St John and Worthen 1875
Invalid names: Gunnellodus Wilimovksy 1954 [synonym], Stemmatodus St John and Worthen 1875 [replaced]
Fm. †Symmoriidae Dean 1909
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G. †Cobelodus Zangerl 1973
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†Cobelodus knightianus Cope 1891
G. †Danaea Pruvost 1922
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†Danaea meccaensis Williams 1985
G. †Gutturensis Sequeira and Coates 2000
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†Gutturensis neilsoni Traquair 1898
G. †Orestiacanthus Lund 1984
G. †Petrodus McCoy 1848
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†Petrodus acutus Newberry and Worthen 1866
†Petrodus patelliformis McCoy 1848
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Invalid names: Petrodus buttersi Newberry 1889 [synonym], Petrodus occidentalis Newberry and Worthen 1866 [synonym]
†Petrodus pustulosus Newberry and Worthen 1870
G. †Stethacanthulus Zangerl 1990
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†Stethacanthulus meccaensis Williams 1985
G. †Stethacanthus Newberry 1889
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†Stethacanthus altonensis St. John and Worthen 1875
†Stethacanthus compressus Newberry 1897
†Stethacanthus concavus Ginter 2018
†Stethacanthus depressus Stjohn and Worthen 1875
†Stethacanthus erectus Eastman 1903
†Stethacanthus exilis Hussakof 1913
†Stethacanthus gansuensis Wang et al. 2004
†Stethacanthus humilis Hussakof 1913
†Stethacanthus praecursor Hussakof and Bryant 1918
†Stethacanthus productus Newberry 1897
†Stethacanthus tumidus Newberry 1889
Invalid names: Cladodus hibberti Agassiz 1843 [nomen dubium], Pinegocaptus Minikh 2006 [synonym]
G. †Symmorium Cope 1893
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†Symmorium reniforme Cope 1893
Invalid names: Stethacanthidae Lund 1974 [synonym]
Invalid names: Denaeidae Berg 1940 [empty]
Diagnosis
No diagnoses are available