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Polyacrodus

Chondrichthyes - Hybodontiformes - Polyacrodontidae

Synonymy list
YearName and author
1889Polyacrodus Jaekel p. 321
1935Hybodus (Polyacrodus) Dalinkevičius p. 256
1963Polyacrodus Jordan p. 596
1987Polyacrodus Maisey p. 27
1993Polyacrodus Biddle p. 197
1997Polyacrodus Johns p. 31
1998Polyacrodus Duffin p. 244
2002Polyacrodus Chhabra and Mishra p. 152 figs. pl. 1, fig. 1
2002Polyacrodus Delsate et al. p. 12
2002Polyacrodus Sepkoski
2002Polyacrodus Underwood and Rees p. 93
2003Polyacrodus Cicimurri p. 5 fig. N/A
2004Polyacrodus Everhart
2004Polyacrodus Yamagishi p. 570
2007Polyacrodus Cahuzac et al. p. 9
2010Polyacrodus Ginter et al. p. 91
2017Polyacrodus Siversson and Machalski p. 439
2020Polyacrodus Skinner et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
orderHybodontiformes(Patterson 1966)
superfamilyHybodontoidea
familyPolyacrodontidae
genusPolyacrodus

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.

G. †Polyacrodus Jaekel 1889
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Polyacrodus brevicostatus Patterson 1966
Polyacrodus claveringensis Stensiö 1932
Polyacrodus cloacinus Quenstedt 1858
Polyacrodus heterodon Patterson 1966
Polyacrodus jiangxiensis Wang et al. 2007
Polyacrodus krafti Seilacher 1943
Polyacrodus lapalomensis Johnson 1981
Polyacrodus maiseyi Landemaine 1991
Polyacrodus minimus Agassiz 1939
Polyacrodus parvidens Woodward 1916
Polyacrodus polycyphus Agassiz 1843
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Invalid names: Orodus triadeus Schmid 1861 [synonym]
Polyacrodus pyramidalis Stensiö 1921
Polyacrodus ritchiei Johnson 1981
Polyacrodus tiandongensis Wang. et al. 2001
Polyacrodus tregoi Rieppel et al. 1996
Polyacrodus tuberculatus Rogovich 1861
Polyacrodus wichitaensis Johnson 1981
Polyacrodus zideki Johnson 1981
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 13:49:23
Modified: 2009-12-13 03:31:01
Source: c = class, subp = subphylum
References: Wagner 2023, Carroll 1988

Age range: base of the Artinskian to the top of the Early/Lower Campanian or 290.10000 to 70.60000 Ma

Collections (144 total)


Time interval Ma Country or state Original ID and collection number
Permian298.9 - 252.17USA (Oklahoma) P. zideki (221392)
Artinskian290.1 - 279.3USA (Texas) P. wichitaensis (117097 117098) P. zideki, P. ritchiei (117099)
Artinskian - Kungurian290.1 - 272.3USA (Texas) P. wichitaensis (117094 117096) P. zideki, P. lapalomensis, P. wichitaensis (117095)
Kungurian279.3 - 272.3USA (Texas) P. wichitaensis (117093) P. zideki, P. wichitaensis (117092)
Roadian272.3 - 268.8Russian Federation P. sp. (117434)
Wordian268.8 - 265.1Russian Federation P. sp. (197588 197767)
Urzhumian268.0 - 265.0Russian Federation (Chuvasia Republic) P. sp. (232562 232564)
Capitanian265.1 - 259.9USA (Texas) P. sp. (184258)
Wuchiapingian259.9 - 254.17Iran (Fars) P. sp. (137396)
Changhsingian254.17 - 252.17Iran P. sp. (137399)
Changhsingian254.17 - 252.17China (Jiangxi) P. jiangxiensis (119866)
Dienerian252.17 - 251.3Russian Federation P. sp. (90219)
Griesbachian252.17 - 251.3Greenland P. claveringensis (48123)
Induan - Olenekian252.17 - 247.2Japan (Ehime) P. minimus (148619)
Smithian251.3 - 247.2Russian Federation P. sp. (90220 90221 90222 90223)
Spathian251.3 - 247.2Svalbard and Jan Mayen P. sp. (196857)
Spathian251.3 - 247.2China P. tiandongensis (120378)
Olenekian251.2 - 247.2Japan (Shikoku Island) P. minimus (133504)
Anisian247.2 - 242.0Japan (Ehime) P. sp. (148426 148427 148434 148436)
Bithynian247.2 - 242.0USA (Nevada) P. sp. A, P. sp. B, P. tregoi (93564)
Anisian - Ladinian247.2 - 237.0France (Provence-Alpes-Cote d'Azur Region) P. minimus (31768)
Ladinian242.0 - 237.0Germany Hybodus polycyphus (137656)
Ladinian242.0 - 237.0India (Uttaranchal) P. sp. (153315)
Ladinian242.0 - 237.0Germany (Baden-Wurttemberg) P. krafti (118108)
Fassanian242.0 - 235.0Poland P. sp. (149685)
Longobardian242.0 - 235.0France (Grand Est) P. polycyphus (139873 139874)
Carnian237.0 - 228.0United Kingdom (England) Hybodus sp. (46889)
Carnian237.0 - 228.0Svalbard and Jan Mayen P. pyramidalis (120227)
Norian228.0 - 208.5USA (Texas) P. sp. (48424)
Norian - Rhaetian228.0 - 201.3Belgium P. cloacinus (131520)
Rhaetian208.5 - 201.3United Kingdom (England) Hybodus cloacinus (53829 96617 120898 120928 122365 131728) P. minimus (120897)
Rhaetian208.5 - 201.3Germany (Westphalia) Hybodus cloacinus (218156)
Rhaetian208.5 - 201.3United Kingdom Hybodus cloacinus (137661)
Rhaetian208.5 - 201.3Luxembourg Hybodus cloacinus (67895)
Rhaetian208.5 - 201.3Germany (Baden-Württemberg) Hybodus cloacinus (91635) P. sp. (131422)
Rhaetian208.5 - 201.3France (Provence-Alpes-Cote d'Azur Region) Hybodus cloacinus, P. minimus (31772 31773) P. minimus (31774) P. sp. (166561)
Rhaetian208.5 - 201.3Germany (Vienna) Hybodus cloacinus (189823)
Rhaetian208.5 - 201.3Netherlands P. sp. (137658)
Rhaetian208.5 - 201.3United Kingdom (Wales) P. cloacinus (46077)
Rhaetian208.5 - 201.3France (Jura) Hybodus cloacinus (60566)
Rhaetian208.5 - 201.3Belgium (Gaume) P. cloacinus (139198) P. sp. 1, P. sp. 2, P. cloacinus (139199 139202 139204)
Rhaetian208.5 - 201.3France (Champagne-Ardennes) Hybodus cloacinus, P. minimus (139922)
Rhaetian208.5 - 201.3Germany Hybodus cloacinus (149329) Hybodus polycyphus (122369)
Rhaetian208.5 - 201.3Poland Hybodus cloacinus (124679)
Liasicus201.3 - 196.5Belgium (Luxembourg) P. sp. (40087)
Sinemurian199.3 - 190.8United Kingdom (England) Hybodus cloacinus (122153)
Early/Lower Toarcian183.0 - 182.0France (Lorraine) P. sp. (68316)
Toarcian - Aalenian182.7 - 170.3India (Andhra Pradesh) P. sp. (39673)
Middle Jurassic174.1 - 163.5China (Hubei) P. sp. (85492) P. sp., Hybodus parvidens (85493)
Early/Lower Bajocian171.6 - 168.4France (Grand Est) P. sp. (179498)
Bathonian168.3 - 166.1Tunisia (Tataouine) P. sp. (141913)
Early/Lower Bathonian167.7 - 164.7France P. sp. (61378)
Middle Bathonian167.7 - 164.7France (Basse-Normandie) P. sp. (28444)
Callovian166.1 - 163.5Kyrgyzstan (Jalal-Abad) P. balabansaiensis, P. prodigialis (37596 37597)
Late/Upper Oxfordian161.2 - 155.7France (Basse-Normandie) P. sp. (74916)
Tithonian152.1 - 145.0France (Charente) P. parvidens (144934)
Late/Upper Tithonian - Early/Lower Berriasian150.8 - 140.2Morocco (Oriental) P. sp. (45726)
Late/Upper Tithonian - Early/Lower Berriasian150.8 - 140.2France (Nord-Pas-de-Calais) P. sp. (92144 92145)
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2United Kingdom (England) P. parvidens (90711 90713)
Late/Upper Berriasian145.0 - 140.2United Kingdom (England) P. parvidens (90714 90715 90716 90717 90719 90720 90721 90722 90723 90725 90726 90727 90728 90729)
Late/Upper Berriasian145.0 - 140.2Denmark (Bornholm) Hybodus parvidens (68331)
Berriasian145.0 - 139.8Sweden (Scania) Hybodus parvidens (144784 144785 144786)
Early/Lower Cretaceous - Aptian145.0 - 113.0Brazil (Ceará) P. sp. (59355)
Cretaceous145.0 - 66.0Spain (Cantabria) Hybodus parvidens (136002)
Late/Upper Valanginian140.2 - 136.4United Kingdom (England) Hybodus parvidens, Hybodus brevicostatus (96621)
Early/Lower Barremian130.0 - 125.45Spain (Teruel) Hybodus parvidens (36365 67985)
Early/Lower Barremian130.0 - 125.45Spain (Aragón) Hybodus parvidens (36368 59076 89275) P. sp., Hybodus parvidens, P. brevicostatus (28196)
Late/Upper Barremian130.0 - 125.45United Kingdom (England) Hybodus parvidens (46875)
Aptian - Albian125.0 - 100.5USA (Wyoming) Hybodus parvidens (137567)
Aptian - Albian125.0 - 100.5USA (Utah) P. sp. (97951)
Late/Upper Aptian122.46 - 112.03USA (Texas) Hybodus parvidens (14408) P. parvidens (52865)
Albian113.0 - 100.5USA (Texas) Hybodus brevicostatus (99148) Hybodus parvidens (27604 27606 99157) Hybodus parvidens, Hybodus brevicostatus (99143)
Middle Albian - Early/Lower Cenomanian109.0 - 93.5USA (Wyoming) Hybodus parvidens (137562)
Late/Upper Albian105.3 - 99.6Poland P. illingworthi (213375)
Late/Upper Albian105.3 - 99.6USA (Kansas) P. sp. (38111)
Late/Upper Albian - Cenomanian105.3 - 93.9Russian Federation (Belgorod) P. sp. (32314)
Late/Upper Albian - Early/Lower Cenomanian105.3 - 93.5Kazakhstan P. spp., P. illingworthi (175010)
Early/Lower Cenomanian99.6 - 93.5Uzbekistan (Navoi) P. torosus, P. illingworthi (58208)
Early/Lower Cenomanian99.6 - 93.5France (Poitou-Charentes) P. levis, P. maiseyi (77233) P. maiseyi (77230 77232) P. sp. (73862)
Middle Cenomanian99.6 - 93.5Russian Federation (Volgograd) P. sp. (92399)
Early/Lower Turonian93.5 - 89.3Canada (Alberta) P. sp. (136242)
Coniacian89.8 - 86.3United Kingdom (Northern Ireland) P. sp. (213383)
Santonian86.3 - 83.6Russian Federation (Orenburg) P. sp. (232890)
Late/Upper Santonian85.8 - 83.5France (Aude) P. brabanticus (233200)
Early/Lower Campanian83.5 - 70.6Sweden (Skåne) P. siversoni, P. sp. (74334)