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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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Fm. †Falcatidae Zangerl 1990
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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 Worthen 1883
Falcatus hamatus Agassiz 1837
Falcatus proclivus St. John and Worthen 1875
G. †Ozarcus Pradel et al. 2014
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Ozarcus mapesae Pradel et al. 2014
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. †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
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:21:01
Modified: 2009-07-21 09:21:01
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Wagner 2023

Age range: base of the Frasnian to the top of the Early/Lower Miocene or 382.70000 to 15.97000 Ma

Collections (141 total)


Time interval Ma Country or state Original ID and collection number
Frasnian382.7 - 372.2Russian Federation Stethacanthidae indet. (133345) Symmoriidae indet. (133350)
Late/Upper Devonian382.7 - 358.9USA (Ohio) Stethacanthus altonensis (133420 133421 133422 133423)
Famennian372.2 - 358.9Russian Federation Stethacanthidae indet. (133360) Stethacanthus sp., Symmorium sp. (133361)
Middle Famennian370.6 - 364.7Russian Federation (Komi) Stethacanthidae indet. (133359)
Middle Famennian370.6 - 364.7Russian Federation (Oryol Oblast) Symmorium glabrum (226045)
Early/Lower Mississippian360.7 - 345.3USA (Ohio) Stethacanthus altonensis (133417)
Early/Lower Mississippian360.7 - 345.3USA (Iowa) Stethacanthus erectus, Physonemus depressus (133259)
Tournaisian358.9 - 346.7Russian Federation Stethacanthidae indet. (133364)
Mississippian358.9 - 323.2United Kingdom Petrodus patelliformis (132729) Physonemus attenuatus (137333)
Carboniferous358.9 - 298.9United Kingdom (Scotland) Akmonistion zangerli (134654)
Osagean353.8 - 342.8USA (Michigan) Physonemus depressus (133260)
Osagean353.8 - 342.8USA (Ohio) Stethacanthus altonensis (133418)
Visean346.7 - 330.9USA (Illinois) Stethacanthus altonensis (133416)
Arundian - Holkerian345.0 - 339.4Belgium Denaea fournieri (90649)
Serpukhovian330.9 - 323.2China (Gansu) Denaea sp., Stethacanthus altonensis, Stethacanthus gansuensis (120299)
Arnsbergian326.4 - 318.1USA (Montana) Falcatus falcatus (116655 116657 116659 116764 227064 227065) Falcatus falcatus, Damocles serratus (116654) Stethacanthus altonensis, Falcatus falcatus, Damocles serratus (90681)
Pendleian326.4 - 318.1United Kingdom (Scotland) Cladodus neilsoni (140305)
Pendleian326.4 - 318.1USA (Arkansas) Ozarcus mapesae (155545)
Bashkirian323.2 - 315.2Russian Federation Stethacanthidae indet. (133373) Stethacanthus sp., Stethacanthidae indet. (133287) Symmoriidae indet. (133372)
Pennsylvanian323.2 - 298.9USA (Iowa) Petrodus patelliformis (74898)
Moscovian315.2 - 307.0USA (Arizona) Petrodus patelliformis (90772)
Moscovian315.2 - 307.0USA (indiana) Stethacanthus altonensis, Denaea meccaensis (132245)
Moscovian315.2 - 307.0Greenland Denaea sp., Stemmatias simplex (198286)
Moscovian315.2 - 307.0USA (Illinois) Symmorium reniforme (132163)
Moscovian315.2 - 307.0USA (New Mexico) Stethacanthus sp. (149386)
Moscovian315.2 - 307.0USA (Indiana) Danaea meccaensis (132119) Denaea meccaensis (132182 132197 132226 132227 133375 133411) Denaea meccaensis, Stethacanthus longipeniculus, Bethacanthus insolitus (132157) Stethacanthus altonensis, Denaea meccaensis (131614 132282)
Moscovian315.2 - 307.0USA (South Dakota) Petrodus patelliformis (132341)
Moscovian315.2 - 307.0USA (Colorado) Petrodus patelliformis (105146)
Desmoinesian313.8 - 305.9USA (Oklahoma) Stethacanthus sp. (223893)
Desmoinesian313.8 - 305.9USA (Indiana) Denaea meccaensis (133415)
Westphalian D311.45 - 306.95USA (Indiana) Stethacanthulus longipeniculus, Denaea meccaensis (90689)
Kasimovian307.0 - 303.7USA (Kansas) Petrodus patelliformis (132333)
Kasimovian307.0 - 303.7USA (Nebraska) Stethacanthus altonensis (133405)
Kasimovian307.0 - 303.7USA (Missouri) Idiacanthus bellistriatus (132620) Petrodus sp., Idiacanthus cameratus (132633)
Kasimovian307.0 - 303.7USA (New Mexico) Cobelodus sp. (217022) Petrodus patelliformis (130312)
Gzhelian303.7 - 298.9USA (Nebraska) Stethacanthus sp., Symmoriiformes indet., Denaea saltsmani, Stethacanthus concavus (149380)
Gzhelian303.7 - 298.9USA (Kansas) Idiacanthus trispinosus, Idiacanthus sp. (132617) Kawichthys moodiei (119031)
Virgilian303.4 - 298.9USA (New Mexico) Cobelodus aculeatus, Symmorium reniforme (217070) Symmoriidae indet. (216993)
Virgilian - Asselian303.4 - 295.5Argentina Petrodus sp. (119028)
Asselian298.9 - 295.5Russian Federation Denaea decora (133278)
Asselian298.9 - 295.5Russian Federation (Orenburg) Denaea sp., Cobelodus obliquus, Denaea decora (90291)
Sakmarian295.5 - 290.1Russian Federation (Bashkortostan) Cobelodus obliquus (90294)
Sakmarian295.5 - 290.1USA (Kansas) Stemmatias sp. (130815)
Sakmarian295.5 - 290.1Russian Federation Denaea decora (133277)
Sakmarian295.5 - 290.1Russian Federation (Chelyabinsk) Denaea decora (90298 90299) Petrodus sp., Cobelodus obliquus, Denaea decora (90288)
Artinskian290.1 - 279.3Russian Federation Kungurodus obliquus (184255 184256)
Artinskian290.1 - 279.3Kazakhstan Stethacanthus sp., Cobelodus obliquus (119029)
Artinskian290.1 - 279.3USA (Nebraska) Styptobasis knightiana (149351)
Artinskian290.1 - 279.3Russian Federation (Bashkortostan) Cobelodus sp., Cobelodus obliquus (90289) Cobelodus sp., Stethacanthus altonensis (90290)
Kungurian279.3 - 272.3Russian Federation Kungurodus obliquus (184257) Stethacanthus sp., Symmoriiformes indet. (164769)
Roadian272.3 - 268.8USA (Texas) Symmoriiformes indet., Stethacanthulus decorus, Kungurodus sp. (132079)
Roadian272.3 - 268.8Japan Petrodus sp. (90286)
Roadian272.3 - 268.8Russian Federation Stethacanthus altonensis (164810)
Wordian268.8 - 265.1Russian Federation Symmoriiformes indet., Stethacanthus altonensis (164770)
Wordian268.8 - 265.1Oman Gunnellodus bellistriatus (121857 123785 140655 140657 140658 140659 140660 140661 140662 140664 140665 140666 140668 140669 140670 140672 140673)
Wordian268.8 - 265.1USA (Texas) Stethacanthulus meccaensis (132080 132083 132084 132085 132086 211385 211386 211387 211388 211389 211390 211391 211392 211393 211394 211395 211396)
Capitanian265.1 - 259.9USA (Texas) Stethacanthulus meccaensis (132082 211397 211398 211399 211400 211401 211402 211403) Stethacanthus meccaensis, Symmoriiformes indet. (155403 155404 155405 155406) Symmoriiformes indet. (155407 155408) Symmoriiformes indet., Stethacanthulus meccaensis (184258 184259)
Early/Lower Valanginian140.2 - 136.4France (Gard) Falcatidae indet. (213631)
Early/Lower Miocene23.03 - 15.97Panama Danaea sp. (32394 32396)
Miocene - Pliocene23.03 - 2.588Bolivia Danaea sp. (34363)