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Petalodontidae
Taxonomy
Petalodontidae was named by Newberry and Worthen (1866). Its type is Petalodus.
It was assigned to Petalodontoidea by Hay (1902); to Bradyodonti by Thurmond and Jones (1981); and to Petalodontiformes by Lund (1989), Goto and Okura (2004), Nelson (2006), Ginter et al. (2010).
It was assigned to Petalodontoidea by Hay (1902); to Bradyodonti by Thurmond and Jones (1981); and to Petalodontiformes by Lund (1989), Goto and Okura (2004), Nelson (2006), Ginter et al. (2010).
Subtaxa
Antliodus, Chomatodus, Glossodus, Glyphanodus, Harpacodus, Itapyrodus, Lisgodus, Neopetalodus, Peltodus, Petalodus (syn. Sicarius) (type genus), Polyrhizodus, Strigilina, Tanaodus
Synonymy list
| Year | Name and author |
|---|---|
| 1866 | Petalodontidae Newberry and Worthen |
| 1902 | Petalodontidae Hay p. 275 |
| 1981 | Petalodontidae Thurmond and Jones p. 78 |
| 1989 | Petalodontidae Lund p. 351 |
| 2004 | Petalodontidae Goto and Okura p. 219 |
| 2006 | Petalodontidae Nelson p. 43 |
| 2010 | Petalodontidae Ginter et al. p. 140 |
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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. †Petalodontidae Newberry and Worthen 1866
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G. †Antliodus Newberry and Worthen 1866
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†Antliodus arcuatus Newberry 1889
†Antliodus cucullus Newberry and Worthen 1866
†Antliodus gracilis Saint John and Worthen 1875
†Antliodus mucronatus Newberry and Worthen 1866
†Antliodus parvulus Newberry and Worthen 1866
†Antliodus perovalis Saint John and Worthen 1875
†Antliodus politus Newberry and Worthen 1866
†Antliodus robustus Newberry and Worthen 1866
†Antliodus sarcululus Newberry and Worthen 1870
†Antliodus similis Newberry and Worthen 1866
†Antliodus simplex Newberry and Worthen 1866
†Antliodus sulcatus Newberry and Worthen 1866
G. †Chomatodus Agassiz 1838
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†Chomatodus affinis Newberry and Worthen 1866
†Chomatodus angustus Newberry 1879
†Chomatodus chesterensis Saint John and Worthen 1875
†Chomatodus cinctus Agassiz 1838
†Chomatodus comptus Saint John and Worthen 1875
†Chomatodus costatus Newberry and Worthen 1866
†Chomatodus cultellus Newberry and Worthen 1866
†Chomatodus denticulatus M'Coy 1848
†Chomatodus elegans Newberry and Worthen 1866
†Chomatodus inconstans Saint John and Worthen 1875
†Chomatodus incrassatus Saint John and Worthen 1875
†Chomatodus insignis Leidy 1857
†Chomatodus linearis Agassiz 1836
†Chomatodus loriformis Newberry and Worthen 1866
†Chomatodus molaris Newberry and Worthen 1866
†Chomatodus newberryi Hay 1902
†Chomatodus oliquus M'Coy 1848
†Chomatodus parallelus Saint John and Worthen 1875
†Chomatodus pusillus Newberry and Worthen 1866
†Chomatodus selliformis Newberry 1879
†Chomatodus truncatus Agassiz 1843
†Chomatodus varsouviensis Saint John and Worthen 1875
G. †Glossodus M'Coy 1848
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†Glossodus heckelii Costa 1864
†Glossodus lingusbovis Mcoy 1848
†Glossodus marginatus M'Coy 1848
G. †Glyphanodus Davis 1883
G. †Harpacodus St. John and Worthen 1875
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†Harpacodus clavatus Davis 1883
†Harpacodus compactus St. John and Worthen 1875
†Harpacodus dentatus Davis 1883
†Harpacodus occidentalis St. John and Worthen 1875
G. †Lisgodus Saint John and Worthen 1875
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†Lisgodus affinis Newberry 1879
†Lisgodus curtus Saint John and Worthen 1875
†Lisgodus selluliformis Saint John and Worthen 1875
†Lisgodus serratus Saint John and Worthen 1875
G. †Neopetalodus Murata and Uyeno 1979
G. †Peltodus Newberry and Worthen 1870
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Peltodus plicomphalus Saint John and Worthen 1875
Peltodus pulvinulus Newberry and Worthen 1870
Peltodus quadratus Saint John and Worthen 1875
Peltodus transversus Saint John and Worthen 1875
†Peltodus unguiformis St John and Worthen 1870
G. †Petalodus
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†Petalodus acuminatus Agassiz 1838
†Petalodus allegheniensis Leidy 1856
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Invalid names: Petalodus destructor Newberry and Worthen 1870 [synonym], Sicarius extinctus Leidy 1856 [synonym]
†Petalodus arcuatus St. John 1870
†Petalodus curtus Newberry and Worthen 1870
†Petalodus davisii Woodward 1889
†Petalodus flabellula Woodward 1889
†Petalodus grandis Davis 1883
†Petalodus hastingsiae Owen 1840
†Petalodus hybridus Saint John and Worthen 1875
†Petalodus jewetti Miller 1957
†Petalodus knappi Newberry 1879
†Petalodus linguifer Newberry and Worthen 1866
†Petalodus ohioensis Safford 1853
†Petalodus proximus Saint John and Worthen 1875
†Petalodus sagittatus Agassiz 1843
Invalid names: Sicarius Leidy 1856 [synonym]
G. †Polyrhizodus M'Coy 1848
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†Polyrhizodus attenuatus Davis 1883
†Polyrhizodus carbonarius Saint John and Worthen 1875
†Polyrhizodus colei Davis 1883
†Polyrhizodus concavus Trautschold 1874
†Polyrhizodus dentatus Newberry and Worthen 1866
†Polyrhizodus digitatus Leidy 1857
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Invalid names: Polyrhizodus amplus St. John and Worthen 1875 [synonym], Polyrhizodus excavatus Saint John and Worthen 1866 [synonym], Polyrhizodus littoni Newberry and Worthen 1870 [synonym], Polyrhizodus lobatus Newberry and Worthen 1866 [synonym], Polyrhizodus princeps Newberry and Worthen 1866 [synonym], Polyrhizodus williamsi St. John and Worthen 1875 [synonym]
†Polyrhizodus elongatus Davis 1883
†Polyrhizodus inflexus Newberry and Worthen 1866
†Polyrhizodus latus Newberry 1897
†Polyrhizodus magnus M'Coy 1848
†Polyrhizodus minimus Saint John and Worthen 1875
†Polyrhizodus modestus Newberry 1875
†Polyrhizodus nanus Saint John and Worthen 1875
†Polyrhizodus piasaensis Saint John and Worthen 1875
†Polyrhizodus ponticulus Newberry and Worthen 1866
†Polyrhizodus porosus Newberry and Worthen 1866
†Polyrhizodus pusillus M'Coy 1848
†Polyrhizodus rectus Newberry 1897
†Polyrhizodus truncatus Newberry and Worthen 1870
G. †Tanaodus St. John and Worthen 1875
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Tanaodus angularis Newberry and Worthen 1866
Tanaodus bellcinctus Saint John and Worthen 1875
Tanaodus depressus Saint John and Worthen 1875
Tanaodus gracillimus Newberry and Worthen 1866
Tanaodus grossiplicatus Saint John and Worthen 1875
Tanaodus multiplicatus Newberry and Worthen 1866
Tanaodus obscurus Leidy 1857
Tanaodus polymorphus Saint John and Worthen 1875
Tanaodus praenuntius Saint John and Worthen 1875
Tanaodus pumilis Saint John and Worthen 1875
Tanaodus sculptus Saint John and Worthen 1875
Tanaodus sublunatus Saint John and Worthen 1875
†Tanaodus wisei Traquair 1901
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Wagner 2023 | |||||
Age range
Maximum range based only on fossils: base of the Chadian to the top of the Early/Lower Albian or 346.70000 to 110.10000 Ma
Minimum age of oldest fossil (stem group age): 342.9 Ma
Minimum age of oldest fossil (stem group age): 342.9 Ma
Collections (69 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mississippian | USA (Alabama) | Petalodus sp. (84103) | |
| Mississippian | United Kingdom | Petalodus acuminatus (132782) Petalodus aliformis, Petalodus acuminatus (132729) Petalodus flabellula (137332) Petalodus rectus, Chomatodus denticulatus, Chomatodus truncatus, Chomatodus oliquus, Glossodus marginatus, Petalodus hastingsii, Petalodus sagittatus, Polyrhizodus magnus, Polyrhizodus pusillus, Chomatodus linearis (132781) Polyrhizodus magnus, Petalodus davisii, Polyrhizodus colei, Polyrhizodus elongatus, Polyrhizodus attenuatus, Glossodus lingusbovis (137333) | |
| Carboniferous | USA (West Virginia) | Petalodus sp. (124708) | |
| Osagean | USA (Iowa) | Chomatodus inconstans (133094) | |
| Osagean | USA (Indiana) | Chomatodus sp. (2455) | |
| Arundian | United Kingdom (Scotland) | Antliodus scoticus (90682) | |
| Chadian - Arundian | USA (Indiana) | Chomatodus sp. (558) | |
| Visean | United Kingdom | Petalodus rectus, Petalodus acuminatus, Petalodus hastingsii (132783) | |
| Arnsbergian | USA (Montana) | Polyrhizodus digitatus (116655) | |
| Bashkirian | United Kingdom (England) | Petalodus sp. (132670) | |
| Pennsylvanian | United Kingdom | Petalodus acuminatus (137321 137322 137324 137326 137327 137329) | |
| Pennsylvanian | USA (Iowa) | Petalodus allegheniensis (74898) | |
| Westphalian A - Westphalian B | USA (Arizona) | Petalodontidae indet. (92271) | |
| Moscovian | USA (New Mexico) | Petalodontidae indet. (149385 149386 149387) Petalodus acuminatus (149388) | |
| Moscovian | Greenland | Petalodus sp. (90247) | |
| Moscovian | USA (Texas) | Petalodus sp. (132077) | |
| Moscovian | Japan | Petalodus allegheniensis (90282) | |
| Moscovian | Russian Federation | Petalodus concavus (137350) | |
| Moscovian | USA (Arizona) | Petalodus ohioensis (90772) | |
| Kashirian - Myachkovian | USA (New Mexico) | Petalodus sp. (46548) | |
| Kasimovian | USA (Nebraska) | Chomatodus arcuatus (132974) Petalodus alleghaniensis (132967 132978) Petalodus destructor, Chomatodus arcuatus (132676) | |
| Kasimovian | USA (Kansas) | Petalodus ohioensis (132333) | |
| Kasimovian | USA (New Mexico) | Petalodus ohioensis (130312) Petalodus sp. (149383) | |
| Late/Upper Pennsylvanian | USA (Texas) | Antliodus sp., Petalodus ohioensis (236693) | |
| Missourian | USA (Pennsylvania) | Petalodus ohioensis (184103 184105) | |
| Missourian | USA (Ohio) | Petalodus ohioensis (159903 159904) | |
| Gzhelian | Slovenia | Petalodontidae indet. (131613) Petalodus ohioensis (131612) | |
| Gzhelian | USA (Oklahoma) | Petalodus sp. D (132338) | |
| Gzhelian | USA (Kansas) | Petalodus jewetti (132334) Petalodus sp. B, Petalodontidae indet. (132336) | |
| Gzhelian | Italy (Udine) | Petalodus ohioensis (131452) | |
| Asselian | USA (Kansas) | Chomatodus sp., Petalodus allegheniensis (132372) Petalodus sp. A (132335) Petalodus sp., Chomatodus arcuatus (132374) | |
| Asselian | Japan | Petalodus acuminatus (90285) | |
| Sakmarian | USA (New Mexico) | Petalodus sp. (149384) | |
| Sakmarian - Artinskian | USA (New Mexico) | Petalodus sp. (180988) | |
| Artinskian | USA (Kansas) | Petalodus sp. C (132337) | |
| Kungurian | Brazil | Itapyrodus punctatus (51070) | |
| Noginskian | USA (Kansas) | Petalodus ohioensis (11789) | |
| Roadian | Japan | Neopetalodus sp. (90286 133499) Petalodus sp. (90233) | |
| Roadian | USA (Wyoming) | Janassa unguiformis (128880) | |
| Wuchiapingian | Iran | Petalodontidae indet. (63727) | |
| Wuchiapingian | Japan | Neopetalodus sp. (133503) | |
| Late/Upper Aptian - Early/Lower Albian | USA (Arizona) | Petalodontidae indet. (208951 208952 208953) | |
| Early/Lower Albian | Italy (Campania) | Glossodus heckelii (112631) |