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Arctacanthus
Taxonomy
Arctacanthus was named by Nielsen (1932) [Sepkoski's age data: P Guad-u Sepkoski's reference number: 2]. Its type is Arctacanthus uncinatus.
It was assigned to Ctenacanthoidea by Zangerl (1981); to Ctenacanthida by Sepkoski (2002); to Hybodontoidea by Yamagishi (2004); and to Chimaeriformes by Li et al. (2022).
It was assigned to Ctenacanthoidea by Zangerl (1981); to Ctenacanthida by Sepkoski (2002); to Hybodontoidea by Yamagishi (2004); and to Chimaeriformes by Li et al. (2022).
Species
Synonyms
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Synonymy list
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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.
G. †Arctacanthus Nielsen 1932
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†Arctacanthus exiguus Yamagishi 2004
†Arctacanthus multisectus Branson 1933
†Arctacanthus phosphoriensis Branson 1916
†Arctacanthus spitzbergensis Hulke 1873
†Arctacanthus uncinatus Nielsen 1932
†Arctacanthus wyomingensis Branson 1934
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Invalid names: Dolophonodus uncinatus Branson 1933 [replaced]
Invalid names: Ancistriodus Branson 1933 [synonym], Dolophonodus Branson 1933 [synonym], Hamatus Branson 1930 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Carroll 1988, Wagner 2023, Hendy et al. 2009 |
Age range: base of the Wuchiapingian to the top of the Julian or 259.90000 to 232.00000 Ma
Collections (29 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wuchiapingian | Greenland | A. uncinatus (122145 122146 122147) | |
Wuchiapingian | USA (Wyoming) | Dolophonodus uncinatus, Hamatus phosphoriensis, Ancistriodus multisectus (90235) Hamatus phosphoriensis (90237 90238) Hamatus phosphoriensis, Ancistriodus multisectus (90236) | |
Anisian | Japan (Ehime) | A. exiguus (148426 148427 148434) | |
Longobardian | China (Guizhou) | A. sp. (171931 171932 224432 224435 224439 224440 224441 224442 224444 224445 224446 224451 224452) | |
Carnian | China (Guizhou) | A. exiguus (121316) A. sp. (121317 121318 121319) | |
Julian | China (Guizhou) | A. sp. (224455 224456) |