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Sachitida

Synonyms
Synonymy list
YearName and author
1980Sachitida He
1981Thambetolepida Jell
2002Sachitida Sepkoski
2007Halwaxida Conway Morris and Caron p. 1258
2010Sachitida Parkhaev and Demidenko p. 955
2017Sachitida Kouchinsky et al. p. 373
2017Sachitida Vinther et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
RankNameAuthor
superphylumLophotrochozoa
phylumMollusca
—Sachitida(He 1980)
—Sachitida(He 1980)

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.

Unr. †Sachitida He 1980
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Cl. Aculifera Blumrich 1891
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Fm. †Halkieriidae Poulsen 1967
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Subfm. †Halkieriinae Poulson 1967
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G. †Eohalobia Luo et al. 1982
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Invalid names: Meishucunchiton Yü 1987 [synonym], Parapunctella Luo and Jiang 1982 [synonym], Zeugites Qian et al. 1979 [synonym]
G. †Halkieria Poulsen 1967
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†Halkieria amorphe Meshkova 1974
†Halkieria curvativa Missarzhevsky and Mambetov 1981
†Halkieria denlanatiformis Missarzhevsky and Mambetov 1981
†Halkieria evangelista Conway Morris and Peel 1995
†Halkieria mira Qian and Xiao 1984
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Invalid names: Sachites glossoides Gao et al. 1985 [synonym], Sachites liratus Gao et al. 1985 [synonym]
†Halkieria obliqua Poulsen 1967
†Halkieria sacciformis Meshkova 1969
†Halkieria sthenobasis Luo and Jiang 1982
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Invalid names: Halkieria toruliformis Wang 1994 [synonym]
†Halkieria stonei Landing et al. 1989
†Halkieria trianguliformis Missarzhevsky and Mambetov 1981
†Halkieria undulatus Wang 1994
†Halkieria wangi Parkhaev and Demidenko 2010
Invalid names: Acrosquama Qian and Xiao 1984 [synonym], Acuminachites Qian and Yin 1984 [synonym], Dactyosachites He 1981 [synonym], Microsachites He 1981 [synonym]
G. †Ocruranus Liu 1979
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†Ocruranus finial Liu 1979
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Invalid names: Chengjiangoconus trilophodes He and Yang 1982 [synonym], Dengyingoconus trianguliformis Xing et al. 1984 [synonym], Liorichita sublaevis Liu 1987 [synonym], Ocruranus diandongensis Luo et al. 1982 [synonym], Ocruranus gryphus Liu 1987 [synonym], Ocruranus regularis Liu 1987 [synonym], Parascenella typica Chen and Xiong 1984 [synonym], Pileconus veloides Jiang 1980 [synonym], Postestephaconus tentes Jiang 1980 [synonym], Stephaconus subpentaedrus Jiang 1980 [synonym], Stoliconus usitatus Jiang 1980 [synonym], Stoliconus vemeres Jiang 1980 [synonym]
†Ocruranus kangerluk Peel 2021
†Ocruranus modestus Yü 1987
†Ocruranus septentrionalis Peel and Skovsted 2005
†Ocruranus trulliformis Jiang 1980
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Invalid names: Ginella yichangensis Chen and Zhang 1980 [synonym]
Invalid names: Chengjiangoconus He and Yang 1982 [synonym], Cremnodinotus Liu 1987 [synonym], Dengyingoconus [synonym], Hanshuiella Yue and Xing 1984 [synonym], Jiangiconus Starobogatov and Moskalev 1987 [synonym], Liorichita Liu 1987 [synonym], Parascenella Chen and Xiong 1984 [synonym], Pileconus [synonym], Postephaconus Jiang 1980 [synonym], Postestephaconus Jiang 1980 [synonym], Runnegarochiton Yü 1987 [synonym], Stephaconus Jiang 1980 [synonym], Stoliconus Jiang 1980 [synonym], Yuanjiapingella Yue 1984 [synonym]
G. †Sinosachites He 1980
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Invalid names: Sinosachites triangularis Yin and He 1980 [synonym]
Invalid names: Thambetolepis [synonym]
G. †Inughuitoconus Peel 2021
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G. †Hippopharangites Bengtson 1990
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†Hippopharangites dailyi Bengston 1990
G. †Miriella
G. †Quadrochites Qian et al. 1979
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†Quadrochites disjunctus Qian et al. 1979
Fm. †Siphogonuchitidae Qian 1977
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G. †Calvapilosa Vinther et al. 2017
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†Calvapilosa kroegeri Vinther et al. 2017
G. †Dabashanites Chen 1979
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†Dabashanites mirus Chen 1979
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†Drepanochites dilatatus Luo et al. 1982
Invalid names: Drepanochites deminatus Jiang 1980 [nomen nudum]
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†Lomasulcachites macrus Luo et al. 1982
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Invalid names: Heterosculpotheca phaneres Luo et al. 1982 [synonym], Siphogonuchites spinatus Xing 1984 [synonym]
G. †Lopochites Qian 1977
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Invalid names: Palaeosulcachites latus Jiang 1980 [synonym]
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Invalid names: Lopochites intercostatus Qian 1984 [synonym]
G. †Quadrosiphogonuchites Chen 1982
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Invalid names: Paraconularoides He 1984 [synonym], Paranabarites Jiang 1982 [synonym]
G. †Siphogonuchites Qian 1977
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†Siphogonuchites bisulcatus Qian and Yin 1984
†Siphogonuchites equilateralis Qian and Yin 1984
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Invalid names: Palaeosulcachites biformis Qian 1977 [synonym], Palaeosulcachites irregularis Qian 1977 [synonym], Palaeosulcachites minus Qian 1984 [synonym], Palaeosulcachites shipaiensis Qian 1984 [synonym], Trapezochites minuta Jiang 1980 [synonym]
Invalid names: Palaeosulcachites Qian 1977 [synonym], Sachitelus intercostatus Jiang 1980 [nomen nudum], Trapezochites Qian and Yiang 1982 [synonym], Trapezochites chordoides Jiang 1980 [nomen nudum]
G. †Tianzhushania Qian et al. 1979
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†Tianzhushania longa Qian et al. 1979
†Tianzhushania obesa Qian et al. 1979
Invalid names: Halkierioidea Poulsen 1967 [empty], Halwaxida Conway Morris and Caron 2007 [synonym], Siphogonuchitoidea Qian 1977 [empty], Thambetolepida Jell 1981 [synonym]
Diagnosis
ReferenceDiagnosis
P. Y. Parkhaev and Y. Demidenko 2010"Dorsum bears sclerites of two types, i.e., two relatively large low-conical shell plates on anterior and posterior parts of body (posterior or both plates can be reduced), and numerous scaly sclerites on rest of surface."
Measurements
No measurements are available
Locomotion: actively mobileuc
Life habit: epifaunaluc
Diet: grazeruc
Created: 2009-04-21 09:48:26
Modified: 2009-04-21 11:48:26
Source: uc = unranked clade
Reference: Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Jinnigian to the top of the Darriwilian or 538.80000 to 458.40000 Ma
Minimum age of oldest fossil (stem group age): 530.7 Ma

Collections (348 total)


Time interval Ma Country or state Original ID and collection number
Jinnigian538.8 - 530.7China (Yunnan) Halkieria sp., Lopochites latazonalis, Halkieria sthenobasis (201549 201551) Halkieria sthenobasis (201510) Lopochites lubricus (201533 201534 201537 201539) Lopochites lubricus, Siphogonuchites triangularis (201528) Siphogonuchites triangularis (201490)
Manykaian538.8 - 529.0Russian Federation (Siberia) Siphogonuchites triangularis (50316)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Siberia) Halkieria longa, Siphogonuchites sp., Halkieria amorphe (50317) Halkieria saccifromis (50419) Lopochites sp., Siphogonuchites sp., Palaeosulcachites sp. (50427) Palaeosulcachites sp. (50340) Siphogonuchites sp. (50417)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Krasnoyarsk Krai) Lopochites sp. (233193)
Nemakit-Daldynian538.8 - 525.5Mongolia (Govi-Altay) Halkieria projecta (99556) Halkieria projecta, Lopochites sp. (99557)
Nemakit-Daldynian538.8 - 525.5China (Shaanxi) Lopochites latazonalis (86559) Lopochites latazonalis, Lopochites quadrogonus (86561 86564) Siphogonuchites mirus, Siphogonuchites triangularis, Lopochites latazonalis (86554 86555 86558 86569) Siphogonuchites mirus, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus (86553 86560) Siphogonuchites triangularis (86556) Siphogonuchites triangularis, Lopochites latazonalis (86567 86568 86570) Siphogonuchites triangularis, Lopochites latazonalis, Halkieria sthenobasis (86566)
Nemakit-Daldynian538.8 - 525.5China (Sichuan) Quadrosiphogonuchites antiquus (232840) Quadrosiphogonuchites antiquus, Quadrosiphogonuchites quadratus (232841) Quadrosiphogonuchites quadratus, Siphogonuchites triangularis (232842)
Nemakit-Daldynian538.8 - 525.5China (Hunan) Lopochites sp. (97714)
Nemakit-Daldynian538.8 - 525.5China (Yunnan) Ocruranus finial (94557 94558 94559 171896 171899) Ocruranus finial, Halkieria sthenobasis (171898)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Khabarovsk Krai) Lopochites sp., Siphogonuchites sp., Halkieria sacciformis (50367) Siphogonuchites sp. (50418)
Nemakit-Daldynian538.8 - 525.5Iran Lopochites sp., Palaeosulcachites sp. (10527 10528 10529) Palaeosulcachites sp. (10526)
Nemakit-Daldynian538.8 - 525.5Russian Federation (Khabarovsk) Halkieria sp. (99465)
Manykaian - Tommotian538.8 - 521.0China (Yunnan) Ocruranus finial, Eohalobia diandongensis (9854 9855 9861 9862 9863 9864 9865 9866)
Nemakit-Daldynian - Tommotian538.8 - 521.0Russian Federation (Sakha) Halkieria costata, Halkieria sp., Siphogonuchites sp., Halkieria sacciformis (99229)
Placentian538.8 - 517.1USA (Massachusetts) Halkieria sp. (56827)
Early/Lower Cambrian538.8 - 509.0China (Shaanxi) Halkieria sthenobasis (86613) Lopochites latazonalis (86585 86586 86592) Siphogonuchites mirus, Siphogonuchites triangularis, Lopochites latazonalis (86593) Siphogonuchites triangularis (86587 86590) Siphogonuchites triangularis, Lopochites latazonalis (86581 86582 86583 86588 86589 86591)
Early/Lower Cambrian538.8 - 509.0Australia (South Australia) Oikozetetes mounti (190168 190395)
Waucoban538.8 - 509.0Canada (Northwest Territories) Wiwaxia corrugata (6850) Wiwaxia sp. (227949 227951 227953 227954)
Cambrian538.8 - 485.4China (Yunnan) Wiwaxia douposiensis (235630)
Meishucunian - Nemakit-Daldynian530.7 - 525.5China (Yunnan) Eohalobia diandongensis (49681) Siphogonuchitidae indet. (96431 96433)
Meishucunian530.7 - 521.0China (Xinjiang) Acrosquama mira (107481)
Meishucunian530.7 - 521.0China (Sichuan) Lopochites sp., Siphogonuchites sp., Palaeosulcachites sp., Trapezochites sp. (107389)
Meishucunian530.7 - 521.0China (Shaanxi) Hanshuiella primitiva, Yuanjiapingella longa, Yuanjiapingella curta (107775) Lopochites sp., Sachites sacciformis, Sachites amorphe, Siphogonuchites intermedius, Siphogonuchites pusilliformis (107790) Sinosachites flabelliformis, Sinosachites triangularis (107791) Siphogonuchites sp., Palaeosulcachites irregularis, Lopochites latazonalis (107774)
Meishucunian530.7 - 521.0China (Anhui) Stephaconus sp. (107772)
Meishucunian530.7 - 521.0China (Zhejiang) Lopochites sp., Siphogonuchites carinatus (108039)
Meishucunian530.7 - 521.0China (Yunnan) Eohalobia diandongensis (108256) Eohalobia diandongensis, Siphogonuchites triangularis (201511) Halkieria sp. (201557 201560 201576 201577 201578 201580 201583 201585 201586 201587 201588 201589 201590 201591 201593 201594) Halkieria sp., Halkieria sthenobasis (201556 201558 201563 201566) Halkieria sp., Siphogonuchites triangularis (201574) Halkieria sthenobasis (96292 96296 201553 201554 201555 201564 201565) Lopochites dilatatus, Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus, Lomasulcachites macrus (201567) Lopochites lubricus, Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus, Lomasulcachites macrus (201545) Lopochites lubricus, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus, Lomasulcachites macrus (201572) Lopochites sp., Siphogonuchites sp. (108257 108260) Lopochites sp., Siphogonuchites sp., Palaeosulcachites sp. (108259) Ocruranus finial, Eohalobia diandongensis, Lopochites latazonalis (201544) Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis (201512 201513 201531 201542) Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lomasulcachites macrus (201529) Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis (201541 201569 201570) Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus (201568) Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites quadrogonus (201517) Ocruranus finial, Siphogonuchites triangularis (201530 201547) Ocruranus finial, Siphogonuchites triangularis, Lopochites latazonalis (201546) Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Lopochites latazonalis, Lopochites quadrogonus (201543) Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Drepanochites dilatatus (201514) Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Drepanochites dilatatus (201515) Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus (201516 201518) Ocruranus trulliformis, Ocruranus finial, Siphogonuchites triangularis, Lopochites latazonalis, Lomasulcachites macrus (201519) Sinosachites falbelliformis (96291) Sinosachites falbelliformis, Halkieria sthenobasis (96290) Sinosachites flabelliformis (107773) Siphogonuchites triangularis (108258 201520) Siphogonuchites triangularis, Halkieria sthenobasis (201552) Siphogonuchites triangularis, Lopochites latazonalis, Halkieria sthenobasis (201548) Siphogonuchites triangularis, Lopochites latazonalis, Lomasulcachites macrus (201521) Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus (201571) Siphogonuchites triangularis, Lopochites quadrogonus, Lomasulcachites macrus, Halkieria sthenobasis (201523)
Meishucunian530.7 - 521.0China (Guizhou) Lopochites sp., Zeugites biformis, Zeugites bifidus (106512) Siphogonuchites triangulatus, Palaeosulcachites minus, Trapezochites chordoides, Siphogonuchites intermedius, Siphogonuchites bisulcatus, Siphogonuchites equilateralis (106513) Siphogonuchites triangulatus, Zeugites bifidus, Palaeosulcachites shipaiensis (106514)
Meishucunian530.7 - 521.0China (Hubei) Ginella yichangensis (108415) Palaeosulcachites biformis (155446) Palaeosulcachites shipaiensis (107636 107665) Sachites sacciformis, Tianzhushania longa, Tianzhushania obesa, Zeugites bifidus, Quadrochites disjunctus, Palaeosulcachites shipaiensis (107634) Stephaconus trulliformis (107789)
Meishucunian - Tommotian530.7 - 521.0China (Yunnan) Halkieria sthenobasis (96285 96286 96287 96288 96289) Halkieria undulata, Ocruranus subpentaedrus, Ocruranus finial, Eohalobia diandongensis, Halkieria sacciformis, Siphogonuchites triangularis, Lopochites latazonalis, Lopochites quadrogonus, Lomasulcachites macrus, Drepanochites dilatatus, Halkieria sthenobasis, Halkieria wangi (96449) Halkieria undulatus, Halkieria toruliformis (50465) Ocruranus trulliformis, Ocruranus finial, Eohalobia diandongensis (50504) Sinosachites falbelliformis (96301 96303) Sinosachites flabelliformis (96445) Siphogonuchites triangularis, Halkieria sthenobasis (96284)
Tommotian525.5 - 521.0Russian Federation (Krasnoyarsk) Halkieria sp. (99484)
Tommotian525.5 - 521.0Russian Federation (Siberia) Halkieria intercostata, Siphogonuchites sp. (50428) Halkieria sacciformis (50321 50369 50430) Halkieria saccifromis (50368) Siphogonuchites sp., Halkieria sacciformis (50319)
Tommotian525.5 - 521.0Russian Federation (Khabarovsk Krai) Halkieria sacciformis (50420) Halkieria saccifromis, Halkieria tongus, Siphogonuchites sp. (50314) Halkieria sp. (50370)
Tommotian525.5 - 521.0China (Hubei) Siphogonuchites triangularis, Palaeosulcachites biformis (155444)
Tommotian525.5 - 521.0Russian Federation (Sakha) Halkieria sp. (233167 233169)
Tommotian525.5 - 521.0Canada (Newfoundland and Labrador) Halkieria sp. (56958 56959) Halkieria stonei (87108 87332 87334)
Tommotian525.5 - 521.0USA (Massachusetts) Halkieria sp. (56830)
Tommotian525.5 - 521.0Canada (Nova Scotia) Halkieria fordi (6896)
Tommotian525.5 - 521.0Russian Federation (Krasnoyarsk Krai) Halkieria sp., Lopochites sp. (233198) Lopochites sp., Siphogonuchites triangularis (233166) Lopochites sp., Tianzhushania longa (233194)
Tommotian525.5 - 521.0Kazakhstan Halkieria denlanatiformis, Halkieria sacciformis (99361) Halkieria denlanatiformis, Halkieria sacciformis, Halkieria amorphe (99298 99315) Halkieria sacciformis (99331)
Tommotian525.5 - 521.0China (Yunnan) Halkieria undulata, Ocruranus trulliformis, Eohalobia diandongensis, Halkieria sacciformis, Siphogonuchitidae gen. et. sp. indet, Siphogonuchites triangularis, Lopochites latazonalis, Lomasulcachites macrus, Drepanochites dilatatus, Dabashanites mirus, Halkieria sthenobasis, Halkieria wangi (171902) Ocruranus finial, Eohalobia diandongensis (171901) Ocruranus subpentaedrus, Ocruranus finial, Eohalobia diandongensis, Siphogonuchites triangularis, Lopochites latazonalis, Drepanochites dilatatus (94556)
Tommotian525.5 - 521.0Russian Federation (Yakutiya) Halkieria costulata, Halkieria sacciformis (90088) Halkieria sacciformis (80796 80812) Halkieria sp. (80809) Sachites sacciformis (80952)
Tommotian525.5 - 521.0Russian Federation Halkieria costulata, Halkieria sacciformis (90089)
Tommotian - Atdabanian525.5 - 516.0Canada (Nova Scotia) Halkieria fordi (6897)
Tommotian - Atdabanian525.5 - 516.0China (Xinjiang) Halkieria mira (6814)
Atdabanian521.0 - 516.0Kazakhstan Halkieria amorphe, Halkieria trianguliformis, Halkieria curvativa (99300) Halkieria curvativa (99299 99301 99316 99332)
Atdabanian521.0 - 516.0Australia (South Australia) Halkieria parva (97781 97782) Halkieria sclerites (96454) Halkieria sp., Thambetolepis delicata, Hippopharangites dailyi (96960) Halkieriidae indet. (10016 97767) Hippopharangites dailyi (96920) Thambetolepis delicata (97789) Thambetolepis delicata, Halkieria parva (97783) Thambetolepis delicata, Halkieria parva, Hippopharangites dailyi (96966 97739 97740 97741 97744 97747 97769) Thambetolepis delicata, Hippopharangites dailyi (96931 97742 97746 97748 97749 97750)
Atdabanian521.0 - 516.0Kyrgyzstan Halkieria sacciformis (99326 99327)
Atdabanian521.0 - 516.0China Sinosachites flabelliformis (8331)
Atdabanian521.0 - 516.0Canada (Nova Scotia) Halkieria fordi (9385 9386 9390)
Atdabanian521.0 - 516.0Russian Federation (Siberia) Halkieria sp. (174247 174257)
Atdabanian521.0 - 516.0China (Xinjiang) Halkieria mira (6815 7824 7825 7826 7827)
Atdabanian521.0 - 516.0China (Yunnan) Sinosachites flabelliformis, Halkieria sthenobasis (86691)
Atdabanian521.0 - 516.0Greenland (Peary Land) Halkieria evangelista (90574)
Atdabanian521.0 - 516.0Greenland (Pearyland) Halkieria sp. (9917)
Atdabanian521.0 - 516.0Russian Federation (Krasnoyarskiy Kray) Halkieria sp. (80843)
Nangaoian - Atdabanian521.0 - 516.0China (Yunnan) Sinosachites flabelliformis, Halkieria sthenobasis (96446)
Atdabanian - Botomian521.0 - 512.9Australia (Northern Territory) Thambetolepis sp. (80920)
Atdabanian - Botomian521.0 - 512.9Canada (Nova Scotia) Halkieria fordi (9391)
Atdabanian - Botomian521.0 - 512.9China (Yunnan) Wiwaxia foliosa (159584)
Atdabanian - Botomian521.0 - 512.9Antarctica (South Shetland Islands) Halkieria parva (49691)
Branchian517.1 - 509.0USA (Massachusetts) Halkieria sp. (56838 56840)
Botomian516.0 - 512.9USA (Massachusetts) Halkieria sp. (56839)
Botomian516.0 - 512.9Russian Federation (Yakutia) Wiwaxia sp. (90438)
Botomian516.0 - 512.9China (Shaanxi) Halkieria sp. (199516)
Botomian516.0 - 512.9Australia (South Australia) Halkieria parva (97718) Halkieria sclerites (67981 172616) Hippopharangites dailyi (156332) Thambetolepis delicata (97745) Thambetolepis delicata, Halkieria parva (97700) Thambetolepis delicata, Halkieria parva, Hippopharangites dailyi (50793 96917 96932 96958 96959 96965 97701 97717 97751 97770 97773 97774 97775) Thambetolepis delicata, Halkieriidae indet., Hippopharangites dailyi (97776) Thambetolepis delicata, Hippopharangites dailyi (96914 96916 97771 97772 97777)
Dyeran515.3 - 511.2Canada (Newfoundland and Labrador) Ocruranus sp. (50783)
Dyeran515.3 - 511.2USA (New York) Halkieria sp. (78765 171821)
Dyeran515.3 - 511.2Greenland Ocruranus sp. (49459 49464) Ocruranus sp., Ocruranus septentrionalis (49456)
Dyeran515.3 - 511.2Greenland (Lauge Koch Land) Inughuitoconus borealis (220278)
Dyeran515.3 - 511.2Greenland (Peary Land) Ocruranus sp., Inughuitoconus borealis, Hippopharangites groenlandicus, Ocruranus kangerluk (210618)
Toyonian512.9 - 510.2Australia (South Australia) Thambetolepis delicata (96921 96929) Thambetolepis delicata, Hippopharangites dailyi (97698)
Toyonian512.9 - 510.2Morocco Oikozetetes seilacheri (9123)
Toyonian512.9 - 510.2Turkey (Konya) Halkieria spp. (91535)
Delamaran511.2 - 506.5USA (Utah) Wiwaxia corrugata (77218)
Delamaran511.2 - 506.5Canada (British Columbia) Wiwaxia corrugata (84412 84413 84414 84415 84416 84417 84418 84419 84420 84421 84422 84423 84424 84425 84426 84427 84428 84429 84430 84431 84432 84433 84434 84435 84436 84437) Wiwaxia sp., Oikozetetes seilacheri (121959)
Delamaran511.2 - 506.5Jordan Siphogonuchites indet. (139936)
Taijangian509.0 - 504.5China (Guizhou) Wiwaxia sp. (79770 125162)
Middle Cambrian509.0 - 497.0Canada (Brithish Columbia) Wiwaxia sp. (188661 188662)
St Davids509.0 - 497.0Canada (British Columbia) Wiwaxia sp. (122094)
St Davids - Merioneth509.0 - 485.4Canada (British Columbia) Orthrozanclus reburrus (6854)
Tremadoc486.5 - 477.7Morocco Calvapilosa kroegeri (184198 184210 184211)
Tremadocian485.4 - 477.7Morocco (Anti-Atlas) Calvapilosa kroegeri (166727)
Darriwilian467.3 - 458.4United Kingdom (Wales) S. PMU 39350/1 (230215)