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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) and Ivanov (1999); and to Symmoriiformes by Ginter et al. (2010), Ivanov et al. (2013), Nelson et al. (2016) and Ginter (2018).
It was assigned to Cladodontida by Lund (1986); to Symmoriida by Zangerl (1981), Williams (1985), Goto et al. (1988) and Ivanov (1999); and to Symmoriiformes by Ginter et al. (2010), Ivanov et al. (2013), Nelson et al. (2016) and 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. †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 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, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Frasnian to the top of the Early/Lower Miocene or 382.70000 to 15.97000 Ma
Collections (99 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 (Komi) | Stethacanthidae indet. (133359) | |
| Middle Famennian | Russian Federation (Oryol Oblast) | Symmorium glabrum (226045) | |
| Early/Lower Mississippian | USA (Iowa) | Stethacanthus erectus, Physonemus depressus (133259) | |
| Early/Lower Mississippian | USA (Ohio) | Stethacanthus altonensis (133417) | |
| 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) | |
| 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 (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 (indiana) | Stethacanthus altonensis, Denaea meccaensis (132245) | |
| Moscovian | USA (Illinois) | Symmorium reniforme (132163) | |
| Moscovian | USA (South Dakota) | Petrodus patelliformis (132341) | |
| Moscovian | USA (Arizona) | Petrodus patelliformis (90772) | |
| Moscovian | USA (Colorado) | Petrodus patelliformis (105146) | |
| Desmoinesian | USA (Oklahoma) | Stethacanthus sp. (223893) | |
| Desmoinesian | USA (Indiana) | Denaea meccaensis (133415) | |
| Westphalian D | USA (Indiana) | Stethacanthulus longipeniculus, Denaea meccaensis (90689) | |
| Kasimovian | USA (New Mexico) | Cobelodus sp. (217022) Petrodus patelliformis (130312) | |
| Kasimovian | USA (Missouri) | Petrodus sp. (132633) | |
| Kasimovian | USA (Nebraska) | Stethacanthus altonensis (133405) | |
| Kasimovian | USA (Kansas) | Petrodus patelliformis (132333) | |
| Late/Upper Pennsylvanian | USA (Texas) | Stethacanthus sp. (236693) | |
| Gzhelian | USA (Nebraska) | Stethacanthus sp., Stethacanthus concavus (149380) | |
| Virgilian | USA (New Mexico) | Cobelodus aculeatus, Symmorium reniforme (217070) Symmoriidae indet. (216993) | |
| Virgilian - Asselian | Argentina | Petrodus sp. (119028) | |
| Sakmarian | Russian Federation (Chelyabinsk) | Petrodus sp. (90288) | |
| 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) | |
| Roadian | Russian Federation | Stethacanthus altonensis (164810) | |
| Roadian | Japan | Petrodus sp. (90286) | |
| Roadian | USA (Texas) | Stethacanthulus decorus (132079) | |
| 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) | |
| Capitanian | USA (Texas) | Stethacanthulus meccaensis (132082 184258 184259 211397 211398 211399 211400 211401 211402 211403) Stethacanthus meccaensis (155403 155404 155405 155406) | |
| Early/Lower Miocene | Panama | Danaea sp. (32394 32396) | |
| Miocene - Pliocene | Bolivia | Danaea sp. (34363) |