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Ovalocephalus
Taxonomy
Ovalocephalus was named by Koroleva (1959). It is not extant. Its type is Ovalocephalus kelleri.
It was assigned to Hammatocnemidae by Kielan-Jaworowska et al. (1991); to Phacopida by Sepkoski (2002); to Pliomeridae by Jell and Adrain (2002); and to Hammatocneminae by Zhou and Zhou (2019).
It was assigned to Hammatocnemidae by Kielan-Jaworowska et al. (1991); to Phacopida by Sepkoski (2002); to Pliomeridae by Jell and Adrain (2002); and to Hammatocneminae by Zhou and Zhou (2019).
Species
Synonyms
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Synonymy list
Year | Name and author |
---|---|
1959 | Ovalocephalus Koroleva |
1960 | Hammatocnemis Kielan |
1974 | Tzuchiatocnemis Sheng |
1990 | Paratzuchiatocnemis Wu and Xia |
1991 | Ovalocephalus Kielan-Jaworowska et al. |
2002 | Ovalocephalus Jell and Adrain p. 416 |
2002 | Ovalocephalus Sepkoski |
2002 | Paratzuchiatocnemis Sepkoski |
2019 | Ovalocephalus Zhou and Zhou p. 160 |
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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. †Ovalocephalus Koroleva 1959
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†Ovalocephalus eoprimitivus Zhou and Zhou 2008
†Ovalocephalus kanlingensis Zhang 1981
†Ovalocephalus kelleri Koroleva 1959
†Ovalocephalus tetrasulcatus Kielan 1960
Invalid names: Hammatocnemis Kielan 1960 [synonym], Paratzuchiatocnemis Wu and Xia 1990 [synonym], Tzuchiatocnemis Sheng 1974 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Aberhan et al. 2004, Hendy 2009 |
Age range: base of the Floian to the top of the Pusgillian or 477.70000 to 449.20000 Ma
Collections (91 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Arenigian | China (Hunan) | O. sp. (116206 116207 116210 116212 116220) | |
Arenigian | China (Hubei) | O. primitivus (116198 116201 116202 116203) O. sp. (116205) | |
Dawan | China (Guizhou) | Hammatocnemis sp. (7385) | |
Dawan | China (Sichuan) | Hammatocnemis sp. (7659) | |
Arenig | China (XinJiang) | Hammatocnemis sp. (20806) | |
Arenig | China (Hubei) | Hammatocnemis sp. (4714 4715) | |
Floian | China (Hubei) | O. eoprimitivus (221197 221198) | |
Floian | China (Hunan) | O. sp. (226639) | |
Dapingian | China (Hubei) | O. primitivus (116200) | |
Early/Lower Llanvirn | China (Yunnan) | Hammatocnemis sp. (5423) | |
Llanvirn | China (Xinjiang) | O. kanlingensis (188381) | |
Llandeilo | China (Guizhou) | Hammatocnemis sp. (188421) | |
Costonian - Harnagian | China (GanSu) | Hammatocnemis sp. (8551) | |
Harnagian - Longvillian | China (Sichuan) | Hammatocnemis sp. (7645) | |
Soudleyan - Longvillian | China (Guizhou) | Hammatocnemis sp. (5139) | |
Costonian - Marshbrookian | China (GanSu) | Hammatocnemis sp. (8548) | |
Harnagian - Marshbrookian | China (Guizhou) | Hammatocnemis sp. (7383) | |
Soudleyan - Marshbrookian | China (Sichuan) | Hammatocnemis sp. (7256) | |
Soudleyan - Marshbrookian | China (JiangSu) | Hammatocnemis sp. (7943) | |
Soudleyan - Marshbrookian | China (Hubei) | Hammatocnemis sp. (4691) | |
Soudleyan - Marshbrookian | China (Guizhou) | Hammatocnemis sp. (4745) | |
Harnagian - Actonian | China (Sichuan) | Hammatocnemis sp. (7656) | |
Sandbian | China (Gansu) | Hammatocnemis obsoletus, Hammatocnemis kanlingensis (182201) O. kelleri (182202) | |
Caradoc | China (ZheJiang) | Hammatocnemis sp. (7769 7781 7810) | |
Caradoc | China (XinJiang) | Hammatocnemis sp. (20801 20802) | |
Caradoc | China (QingHai) | Hammatocnemis sp. (23600) | |
Caradoc | China (Guizhou) | O. yangtzeensis, O. ovatus (182197 182198 182199 182200) | |
Caradoc | China (YunNan) | Hammatocnemis sp. (7743) | |
Longvillian | China (ShanXi) | Hammatocnemis sp. (7885) | |
Longvillian - Marshbrookian | China (ShanXi) | Hammatocnemis sp. (7918) | |
Longvillian - Marshbrookian | China (Anhui) | Hammatocnemis sp. (7836) | |
Longvillian - Marshbrookian | China (Hunan) | Hammatocnemis sp. (7689) | |
Longvillian - Onnian | China (Sichuan) | Hammatocnemis sp. (7644 7655) | |
Marshbrookian | China (ShanXi) | Hammatocnemis sp. (7883) | |
Actonian - Onnian | China (ShanXi) | Hammatocnemis sp. (7882 7917) | |
Actonian - Onnian | China (Hunan and Hubei) | Hammatocnemis sp. (7714) | |
Actonian - Onnian | China (Guizhou) | Hammatocnemis sp. (5137) | |
Actonian - Onnian | China (Hubei) | Hammatocnemis sp. (4690) | |
Actonian - Onnian | China (AnHui) | Hammatocnemis sp. (7835 7848 7858) | |
Actonian - Onnian | China (ZheJiang) | Hammatocnemis sp. (7779 7804 7809) | |
Actonian - Onnian | China (Hunan) | Hammatocnemis sp. (7688 7697) | |
Actonian - Onnian | China (Sichuan) | Hammatocnemis sp. (5338 7255 7667) | |
Actonian - Onnian | China (JiangXi) | Hammatocnemis sp. (7749) | |
Actonian - Onnian | China (JiangSu) | Hammatocnemis sp. (7942) O. sp. (7929) | |
Actonian - Cautleyan | Iran (Gilan) | O. tetrasulcatus (232879 232880) | |
Katian | China | O. sp. (236250) | |
Katian | China (JiangSu) | O. decorosus (192795) O. decorosus, O. ovatus (192793 192794 192796) | |
Katian | China (Xinjiang) | O. kanlingensis (188364) O. kelleri, O. kanlingensis (188385) | |
Kralodvorian | Italy (Sardinia) | O. tetrasulcatus (75890 192914) | |
Kralodvorian | Spain (Zaragoza) | O. sp., Hammatocnemis sp. (21057) | |
Pusgillian | China (Guizhou) | Hammatocnemis sp. (4750 7382) | |
Pusgillian | China (Hubei) | Hammatocnemis sp. (4689) | |
Pusgillian - Cautleyan | China (JiangSu) | Hammatocnemis sp. (7872) | |
Ashgill | China (Hubei) | O. decorosus (114989) | |
Ashgill | Spain (Aragon) | O. sp. (163399) O. tetrasulcatus (80725 80768) |