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Petalodontidae

Chondrichthyes - Petalodontiformes - Petalodontidae

Synonymy list
YearName and author
1866Petalodontidae Newberry and Worthen
1902Petalodontidae Hay p. 275
1981Petalodontidae Thurmond and Jones p. 78
1989Petalodontidae Lund p. 351
2004Petalodontidae Goto and Okura p. 219
2006Petalodontidae Nelson p. 43
2010Petalodontidae Ginter et al. p. 140

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyPetalodontidaeNewberry and Worthen 1866
familyPetalodontidaeNewberry and Worthen 1866

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 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 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. †Itapyrodus Silva Santos 1990
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Itapyrodus punctatus Silva Santos 1990
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
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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 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. †Strigilina Cope 1877
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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
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:09:25
Modified: 2009-07-21 09:09:25
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Arundian to the top of the Early/Lower Albian or 345.00000 to 109.00000 Ma
Minimum age of oldest fossil (stem group age): 342.8 Ma

Collections (68 total)


Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Alabama) Petalodus sp. (84103)
Mississippian358.9 - 323.2United 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)
Carboniferous358.9 - 298.9USA (West Virginia) Petalodus sp. (124708)
Osagean353.8 - 342.8USA (Indiana) Chomatodus sp. (2455)
Osagean353.8 - 342.8USA (Iowa) Chomatodus inconstans (133094)
Visean346.7 - 330.9United Kingdom Petalodus rectus, Petalodus acuminatus, Petalodus hastingsii (132783)
Chadian - Arundian345.3 - 342.8USA (Indiana) Chomatodus sp. (558)
Arundian345.0 - 342.8United Kingdom (Scotland) Antliodus scoticus (90682)
Arnsbergian326.4 - 318.1USA (Montana) Polyrhizodus digitatus (116655)
Bashkirian323.2 - 315.2United Kingdom (England) Petalodus sp. (132670)
Pennsylvanian323.2 - 298.9USA (Iowa) Petalodus allegheniensis (74898)
Pennsylvanian323.2 - 298.9United Kingdom Petalodus acuminatus (137321 137322 137324 137326 137327 137329)
Westphalian A - Westphalian B318.1 - 314.6USA (Arizona) Petalodontidae indet. (92271)
Moscovian315.2 - 307.0USA (Arizona) Petalodus ohioensis (90772)
Moscovian315.2 - 307.0Greenland Petalodus sp. (90247)
Moscovian315.2 - 307.0USA (Texas) Petalodus sp. (132077)
Moscovian315.2 - 307.0Japan Petalodus allegheniensis (90282)
Moscovian315.2 - 307.0Russian Federation Petalodus concavus (137350)
Moscovian315.2 - 307.0USA (New Mexico) Petalodontidae indet. (149385 149386 149387) Petalodus acuminatus (149388)
Kashirian - Myachkovian313.8 - 306.95USA (New mexico) Petalodus sp. (46548)
Kasimovian307.0 - 303.7USA (New Mexico) Petalodus ohioensis (130312) Petalodus sp. (149383)
Kasimovian307.0 - 303.7USA (Nebraska) Chomatodus arcuatus (132974) Petalodus alleghaniensis (132967 132978) Petalodus destructor, Chomatodus arcuatus (132676)
Kasimovian307.0 - 303.7USA (Kansas) Petalodus ohioensis (132333)
Missourian305.9 - 303.4USA (Ohio) Petalodus ohioensis (159903 159904)
Missourian305.9 - 303.4USA (Pennsylvania) Petalodus ohioensis (184103 184105)
Gzhelian303.7 - 298.9Slovenia Petalodontidae indet. (131613) Petalodus ohioensis (131612)
Gzhelian303.7 - 298.9USA (Kansas) Petalodus jewetti (132334) Petalodus sp. B, Petalodontidae indet. (132336)
Gzhelian303.7 - 298.9Italy (Udine) Petalodus ohioensis (131452)
Gzhelian303.7 - 298.9USA (Oklahoma) Petalodus sp. D (132338)
Noginian301.2 - 300.2USA (Kansas) Petalodus ohioensis (11789)
Asselian298.9 - 295.5Japan Petalodus acuminatus (90285)
Asselian298.9 - 295.5USA (Kansas) Chomatodus sp., Petalodus allegheniensis (132372) Petalodus sp. A (132335) Petalodus sp., Chomatodus arcuatus (132374)
Sakmarian295.5 - 290.1USA (New Mexico) Petalodus sp. (149384)
Sakmarian - Artinskian295.5 - 279.3USA (New Mexico) Petalodus sp. (180988)
Artinskian290.1 - 279.3USA (Kansas) Petalodus sp. C (132337)
Kungurian279.3 - 272.3Brazil Itapyrodus punctatus (51070)
Roadian272.3 - 268.8Japan Neopetalodus sp. (90286 133499) Petalodus sp. (90233)
Roadian272.3 - 268.8USA (Wyoming) Janassa unguiformis (128880)
Wuchiapingian259.9 - 254.17Japan Neopetalodus sp. (133503)
Wuchiapingian259.9 - 254.17Iran Petalodontidae indet. (63727)
Late/Upper Aptian - Early/Lower Albian122.46 - 109.0USA (Arizona) Petalodontidae indet. (208951 208952 208953)
Early/Lower Albian112.03 - 109.0Italy (Campania) Glossodus heckelii (112631)