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Symmoriidae
Taxonomy
Symmoriidae was named by Dean (1909).
It was assigned to Cladodontida by Lund (1986); to Symmoriida by Zangerl (1981), Williams (1985), Goto et al. (1988), Ivanov (1999); and to Symmoriiformes by Ginter et al. (2010), Ivanov et al. (2013), Nelson et al. (2016), Ginter (2018).
It was assigned to Cladodontida by Lund (1986); to Symmoriida by Zangerl (1981), Williams (1985), Goto et al. (1988), Ivanov (1999); and to Symmoriiformes by Ginter et al. (2010), Ivanov et al. (2013), Nelson et al. (2016), Ginter (2018).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Physonemus chesterensis St. John and Worthen |
| 1875 | Physonemus parvulus St. John and Worthen |
| 1902 | Physonemus chesterensis Hay p. 333 |
| 1902 | Physonemus parvulus Hay p. 333 |
| 1909 | Symmoriidae Dean |
| 1974 | Stethacanthidae Lund |
| 1981 | Symmoriidae Zangerl p. 69 |
| 1981 | Stethacanthidae Zangerl p. 71 |
| 1985 | Stethacanthidae Lund p. 2 |
| 1985 | Symmoriidae Williams p. 88 |
| 1986 | Stethacanthidae Lund p. 13 |
| 1986 | Symmoriidae Lund p. 18 |
| 1988 | Symmoriidae Goto et al. p. 292 |
| 1999 | Symmoriidae Ivanov p. 273 |
| 2001 | Stethacanthidae Coates and Sequeira |
| 2010 | Symmoriidae Ginter et al. p. 60 |
| 2013 | Symmoriidae Ivanov et al. p. 154 |
| 2016 | Symmoriidae Nelson et al. p. 46 |
| 2018 | Symmoriidae Ginter p. 394 |
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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.
Fm. †Symmoriidae Dean 1909
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G. †Cobelodus Zangerl 1973
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†Cobelodus aculeatus Zangerl and Case 1976
†Cobelodus knightianus Cope 1891
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 decorus Ivanov 1999
†Stethacanthulus longipeniculus Zangerl 1990
†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 longipeniculus Zangerl 1990
†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]
Invalid names: Stethacanthidae Lund 1974 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Frasnian to the top of the Early/Lower Miocene or 382.31000 to 15.98000 Ma
Collections (119 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Frasnian | Russian Federation | Stethacanthidae indet. (133345) Symmoriidae indet. (133350) | |
| Late/Upper Devonian | USA (Ohio) | Stethacanthus altonensis (133420 133421 133422 133423) | |
| Famennian | Russian Federation | Stethacanthidae indet. (133360) Stethacanthus sp., Symmorium sp. (133361) | |
| Middle Famennian | Russian Federation (Oryol Oblast) | Symmorium glabrum (226045) | |
| Middle Famennian | Russian Federation (Komi) | Stethacanthidae indet. (133359) | |
| Early/Lower Mississippian | USA (Ohio) | Stethacanthus altonensis (133417) | |
| Early/Lower Mississippian | USA (Iowa) | Stethacanthus erectus, Physonemus depressus (133259) | |
| Tournaisian | Russian Federation | Stethacanthidae indet. (133364) | |
| Mississippian | United Kingdom | Petrodus patelliformis (132729) | |
| Osagean | USA (Michigan) | Physonemus depressus (133260) | |
| Osagean | USA (Ohio) | Stethacanthus altonensis (133418) | |
| Visean | USA (Illinois) | Stethacanthus altonensis (133416) | |
| Chesterian | USA (Arkansas) | Cobelodus sp. (239123) | |
| Pendleian | United Kingdom (Scotland) | Akmonistion zangerli (134654) Cladodus neilsoni (140305) | |
| Serpukhovian | United Kingdom (Scotland) | Orestiacanthus sp. (235483) | |
| Serpukhovian | China (Gansu) | Stethacanthus altonensis, Stethacanthus gansuensis (120299) | |
| Arnsbergian | USA (Montana) | Stethacanthus altonensis (90681) | |
| Bashkirian | Russian Federation | Stethacanthidae indet. (133373) Stethacanthus sp., Stethacanthidae indet. (133287) Symmoriidae indet. (133372) | |
| Pennsylvanian | USA (Iowa) | Petrodus patelliformis (74898) | |
| Moscovian | USA (Colorado) | Petrodus patelliformis (105146) | |
| Moscovian | USA (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) | |
| Moscovian | USA (New Mexico) | Stethacanthus sp. (149386) | |
| Moscovian | USA (Arizona) | Petrodus patelliformis (90772) | |
| Moscovian | USA (indiana) | Stethacanthus altonensis, Denaea meccaensis (132245) | |
| Moscovian | USA (Illinois) | Symmorium reniforme (132163) | |
| Moscovian | USA (South Dakota) | Petrodus patelliformis (132341) | |
| Desmoinesian | USA (Indiana) | Denaea meccaensis (133415) | |
| Desmoinesian | USA (Oklahoma) | Stethacanthus sp. (223893) | |
| Westphalian D | USA (Indiana) | Stethacanthulus longipeniculus, Denaea meccaensis (90689) | |
| Kasimovian | USA (New Mexico) | Cobelodus sp. (217022) Petrodus patelliformis (130312) | |
| Kasimovian | USA (Kansas) | Petrodus patelliformis (132333) | |
| Kasimovian | USA (Nebraska) | Stethacanthus altonensis (133405) | |
| Kasimovian | USA (Missouri) | Petrodus sp. (132633) | |
| Late/Upper Pennsylvanian | USA (Texas) | Stethacanthus sp. (236693) | |
| Gzhelian | USA (Nebraska) | Stethacanthus sp., Stethacanthus concavus (149380) | |
| Virgilian | USA (New Mexico) | Symmoriidae indet. (216993) Symmorium reniforme, Cobelodus aculeatus (217070) | |
| Virgilian - Asselian | Argentina | Petrodus sp. (119028) | |
| Asselian | Russian Federation (Orenburg) | Denaea decora (90291) | |
| Asselian | Russian Federation | Denaea decora (133278) | |
| Sakmarian | Russian Federation (Chelyabinsk) | Denaea decora (90298 90299) Petrodus sp., Denaea decora (90288) | |
| Sakmarian | Russian Federation | Denaea decora (133277) | |
| Artinskian | Kazakhstan | Stethacanthus sp. (119029) | |
| Artinskian | USA (Nebraska) | Styptobasis knightiana (149351) | |
| Artinskian | Russian Federation (Bashkortostan) | Cobelodus sp. (90289) Cobelodus sp., Stethacanthus altonensis (90290) | |
| Kungurian | Russian Federation | Stethacanthus sp. (164769) | |
| Kungurian | USA (Texas) | Stethacanthulus sp. (276260) | |
| Kungurian - Roadian | USA (Texas) | Stethacanthulus sp., Stethacanthulus meccaensis (276248) | |
| Roadian | Japan | Petrodus sp. (90286) | |
| Roadian | USA (Texas) | Stethacanthulus decorus (132079 241643 241644 241645 241646 241647 241648) Stethacanthulus meccaensis, Stethacanthulus decorus (276249) Stethacanthulus sp., Stethacanthulus meccaensis (276250) Stethacanthus sp, Stethacanthulus sp., Stethacanthulus meccaensis, Stethacanthulus decorus (276252) Stethacanthus sp., Stethacanthulus sp. (276251) | |
| Roadian | Russian Federation | Stethacanthus altonensis (164810) | |
| Wordian | Russian Federation | Stethacanthus altonensis (164770) | |
| Wordian | USA (Texas) | Stethacanthulus meccaensis (132080 132083 132084 132085 132086 211385 211386 211387 211388 211389 211390 211391 211392 211393 211394 211395 211396) Stethacanthus sp., Stethacanthulus meccaensis, Stethacanthulus decorus (276253) | |
| Capitanian | USA (Texas) | Stethacanthulus meccaensis (132082 184258 184259 211397 211398 211399 211400 211401 211402 211403 276255) Stethacanthus meccaensis (155403 155404 155405 155406) | |
| Early/Lower Miocene | Panama | Danaea sp. (32394 32396) | |
| Miocene - Pliocene | Bolivia | Danaea sp. (34363) |