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Helicoprionidae

Chondrichthyes - Eugeneodontiformes - Helicoprionidae

Taxonomy
Helicoprionidae was named by Karpinsky (1911). Its type is Helicoprion.

It was synonymized subjectively with Agassizodontidae by Nelson (2006).

It was assigned to Bradyodonti by Obruchev (1964); and to Eugeneodontiformes by Itano and Lucas (2018).

Synonyms
Synonymy list
YearName and author
1911Helicoprionidae Karpinsky
1964Helicoprionidae Obruchev p. 362
1981Agassizodontidae Zangerl p. 86
2004Agassizodontidae Goto and Okura p. 218
2006Agassizodontidae Nelson p. 44
2010Agassizodontidae Ginter et al. p. 124
2018Helicoprionidae Itano and Lucas p. 408

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderEugeneodontiformes()
familyHelicoprionidaeKarpinsky 1911
familyHelicoprionidaeKarpinsky 1911

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. †Helicoprionidae Karpinsky 1911
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G. †Helicoprion Karpinsky 1899
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†Helicoprion bessonowi Karpinsky 1899
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Invalid names: Helicoprion nevadensis Wheeler 1939 [synonym]
†Helicoprion davisii Woodward 1886
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Invalid names: Helicoprion jingmenense Chen et al. 2007 [synonym], Helicoprion sierrensis Wheeler 1939 [synonym], Lissoprion ferrieri Hay 1907 [synonym]
†Helicoprion ergassaminon Bendix-Almgreen 1966
Invalid names: Lissoprion Hay 1907 [synonym]
G. †Karpinskiprion Lebedev and Itano 2023
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†Karpinskiprion ivanovi Karpinsky 1924
Invalid names: Agassizodontidae Zangerl 1981 [synonym]
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 07:03:14
Modified: 2009-07-21 09:03:14
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Wagner 2023

Age range: base of the Moscovian to the top of the Capitanian or 315.20000 to 259.51000 Ma

Collections (46 total)


Time interval Ma Country or state Original ID and collection number
Pennsylvanian323.2 - 298.9USA (Iowa) Campodus variabilis (74898)
Moscovian315.2 - 307.0Japan Agassizodus sp. (90282)
Kasimovian307.0 - 303.7USA (New Mexico) Campyloprion ivanovi (196772)
Kasimovian307.0 - 303.7USA (Nebraska) Campodus variabilis (132971 133262 133265)
Gzhelian303.7 - 298.9Russian Federation (Volgograd) Karpinskiprion ivanovi (232358)
Gzhelian303.7 - 298.9Russian Federation Helicoprion ivanovi (173816)
Asselian298.9 - 295.5Bolivia Parahelicoprion mariosuarezi (117946)
Asselian298.9 - 295.5USA (Kansas) Agassizodus sp., Agassizodus variabilis (132372)
Asselian - Sakmarian298.9 - 290.1USA (Nevada) Helicoprion sp. (130653)
Cisuralian298.9 - 273.01USA (Nevada) Edestus lecontei (196771)
Cisuralian298.9 - 273.01USA (California) Helicoprion sierrensis (118113)
Permian298.9 - 251.902USA (Nevada) Helicoprion nevadensis (118114)
Sakmarian293.52 - 290.1USA (Nevada) Helicoprion sp. (130655)
Sakmarian293.52 - 290.1USA (New Mexico) Agassizodus sp. (39154)
Artinskian290.1 - 279.3USA (Texas) Helicoprion ferrieri (105721)
Artinskian290.1 - 279.3Russian Federation Helicoprion bessonowi (149416)
Artinskian290.1 - 279.3Kazakhstan Helicoprion bessonowi (119029)
Kungurian279.3 - 272.3Mexico (Puebla) Helicoprion sp. (90679)
Kungurian279.3 - 272.3USA (Texas) Helicoprion sp. (90276)
Kungurian279.3 - 272.3Australia (Western Australia) Helicoprion davisii (118112)
Kungurian279.3 - 272.3China (Hubei) Helicoprion jingmenense (120307)
Guadalupian273.01 - 259.51Canada (British Columbia) Helicoprion sp. (149354)
Roadian272.3 - 268.8USA (Utah) Helicoprion sp. (11271)
Roadian272.3 - 268.8USA (Texas) Helicoprion sp. (152125)
Roadian272.3 - 268.8Canada (Alberta) Helicoprion sp. (112844)
Roadian272.3 - 268.8USA (Idaho) Helicoprion davisii (152127 152129 152130) Helicoprion davisii, Helicoprion ergassaminon (152128) Helicoprion ferrieri (140078) Helicoprion sp. (11285 152131) Helicoprion sp., Helicoprion ergassaminon (140145) Lissoprion ferrieri (132826)
Roadian272.3 - 268.8USA (Wyoming) Helicoprion sp. (11229) Lissoprion ferrieri (108931)
Roadian272.3 - 268.8Japan Helicoprion bessonowi (133437)
Roadian272.3 - 268.8Canada (Nunavut) Helicoprion sp. (90234 152126)
Roadian272.3 - 268.8USA (Montana) Helicoprion sp. (11280)
Capitanian264.28 - 259.51Japan Helicoprion sp. (149339)
Wuchiapingian259.9 - 254.17Greenland Sarcoprion edax (136371 136372)
Wuchiapingian259.9 - 254.17USA (Wyoming) Campodus variabilis, Edestus sp. (90235)