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Chaetognatha (arrow worm)
Taxonomy
Chaetognatha was named by Leuckart (1854). It is extant.
It was assigned to Ecdysozoa by Zrzavy et al. (1998); to Metazoa by Sepkoski (2002); to Protostomia by Edgecombe et al. (2011); to Scalidophora by Nielsen (2012); and to Chaetognathifera by Park et al. (2024).
It was assigned to Ecdysozoa by Zrzavy et al. (1998); to Metazoa by Sepkoski (2002); to Protostomia by Edgecombe et al. (2011); to Scalidophora by Nielsen (2012); and to Chaetognathifera by Park et al. (2024).
Synonymy list
Year | Name and author |
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1854 | Chaetognatha Leuckart |
1998 | Chaetognatha Zrzavy et al. |
2002 | Chaetognatha Sepkoski |
2011 | Chaetognatha Edgecombe et al. p. 153 figs. Fig. 1 |
2012 | Chaetognatha Nielsen p. 304 |
2024 | Chaetognatha Park et al. |
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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.
Ph. Chaetognatha Leuckart 1854 [arrow worm]
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G. †Eognathacantha Chen and Huang 2002
Cl. †Protoconodonta Landing 1995
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G. †Mongolodus Missarzhevsky 1977
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†Mongolodus maximi Gravestock et al. 2001
†Mongolodus sulcus Parkhaev and Demidenko 2010
Invalid names: Maldeotaia Singh and Shukla 1981 [synonym]
G. †Protohertzina Missarzhevsky 1973
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†Protohertzina anabarica Missarzhevsky 1973
†Protohertzina cultrata Missarzhevsky 1977
†Protohertzina dabashanensis Yang and He 1984
†Protohertzina robusta Qian 1977
†Protohertzina siciformis Missarzhevsky 1973
†Protohertzina unguliformis Missarzhevsky 1973
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Invalid names: Emeidus primitivus Chen 1982 [synonym], Hastina bialata Yang and He 1984 [synonym]
Invalid names: Emeidus Chen 1982 [synonym], Hastina Yang and He 1984 [synonym]
Or. †Protoconodontida Landing 1995
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G. †Ganloudina
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†Ganloudina longispina Yang and He 1984
†Ganloudina platybasala Yang and He 1984
†Ganloudina symmetrica He 1983
G. †Titerina
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Bambach et al. 2007 |
Age range: base of the Jinnigian to the top of the Westphalian D or 538.80000 to 307.50000 Ma
Collections (150 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Jinnigian | China (Yunnan) | Mongolodus longispina, Mongolodus rostriformis, Protohertzina anabarica (201533 201537) Mongolodus rostriformis (201527 201539) Mongolodus rostriformis, Protohertzina anabarica (201528 201534) Protohertzina anabarica (201524) Protohertzina anabarica, Protohertzina unguliformis (201491) Protohertzina wangjiawanensis (106506) | |
Nemakit-Daldynian | China (Yunnan) | Protohertzina anabarica, Protohertzina unguliformis (96432) Protohertzina sp. (96322) | |
Nemakit-Daldynian | Kazakhstan | Protohertzina anabarica (99319 99358) Protohertzina anabarica, Protohertzina unguliformis (99294 99295 99304) | |
Nemakit-Daldynian | Russian Federation (Krasnoyarsk Krai) | Protohertzina anabarica (233192 233193) | |
Nemakit-Daldynian | China (Hunan) | Protohertzina anabarica, Protohertzina siciformis, Protohertzina unguliformis (97714) | |
Nemakit-Daldynian | Russian Federation (Krasnoyarsk) | Protohertzina anabarica (99483) | |
Nemakit-Daldynian | China (Shaanxi) | Paracanthodus variabilis, Protohertzina anabarica, Protohertzina unguliformis (86619) Protoconodontida indet. (86572 86573) Protohertzina anabarica, Protohertzina unguliformis (86552 86554 86555 86556 86561 86562) Protohertzina unguliformis (86553 86557 86558 86560 86564 86566 86567 86568 86569 86570 86571 86620) | |
Nemakit-Daldynian | Iran | Protohertzina anabarica (10526) Protohertzina sp. (10522) | |
Nemakit-Daldynian | Russian Federation (Siberia) | Protohertzina anabarica, Protohertzina unguliformis (50340 50414) Protohertzina ungullformis (50427) Protohertzina ungullformis, Protohertzina anabarica (50424 50425) | |
Nemakit-Daldynian | Mongolia (Govi-Altay) | Protohertzina anabarica (99556) Protohertzina sp., Protohertzina anabarica (99557) Protohertzina unguliformis (99555) | |
Nemakit-Daldynian | India | Protohertzina anabarica, Maldeotaia bandalica (99560) | |
Nemakit-Daldynian | China (Sichuan) | Paracanthodus variabilis, Protohertzina unguliformis (232841) Protohertzina anabarica, Protohertzina unguliformis, Ganloudina symmetrica (232842) Protohertzina sp. (8088) | |
Nemakit-Daldynian | China (Hubei) | Protohertzina sp. (10499 97556) | |
Nemakit-Daldynian | Russian Federation (Sakha) | Protohertzina anabarica (99228) Protohertzina ungulata (99461) | |
Nemakit-Daldynian - Tommotian | China (Hubei) | Protohertzina anabarica, Protohertzina unguliformis (155448 155462 155464 155466) | |
Early/Lower Cambrian | China (Sichuan) | Mongolodus longispinus, Protohertzina anabarica (86617) | |
Early/Lower Cambrian | China (Shaanxi) | Mongolodus longispina, Mongolodus platybasalis, Protohertzina unguliformis (86588) Mongolodus longispina, Protohertzina unguliformis (86592) Mongolodus platybasalis, Protohertzina unguliformis (86586 86587) Protohertzina unguliformis (86579 86580 86582 86583 86584 86585 86589 86590 86591) Protohertzina unguliformis, Protohertzina anabarica (86593) | |
Meishucunian - Nemakit-Daldynian | China (Yunnan) | Protohertzina anabarica (96451) Protohertzina anabarica, Protohertzina siciformis, Protohertzina unguliformis (96431 96433) | |
Meishucunian | China (Shaanxi) | Protohertzina sp. (107774) | |
Meishucunian | China (Yunnan) | Mongolodus rostriformis (201529) | |
Meishucunian | China (Zhejiang) | Kijacus kijanicus (108039) Protohertzina anabarica, Protohertzina unguliformis (108038) | |
Meishucunian | China (Hubei) | Protohertzina anabarica (107634 107635 107636 107665 107789) Protohertzina anabarica, Protohertzina robusta (106524) Protohertzina anabarica, Protohertzina unguliformis (155446 155468 155469 155471 155473) Protohertzina sp. (108414) | |
Meishucunian | China (Guizhou) | Protohertzina anabarica (106508 106516) Protohertzina sp., Protohertzina anabarica (106519) | |
Meishucunian | China (Sichuan) | Ganloudina symmetrica (108041) Hastina bialata, Ganloudina platybasala, Ganloudina longispina, Protohertzina dabashanensis, Hastina quadrigoniata (107389) Leguminella serrata (107390) Paracanthodus variabilis, Protohertzina anabarica, Protohertzina siciformis, Protohertzina unguliformis (108312) | |
Tommotian | India | Ganloudina sp., Protohertzina anabarica, Protohertzina siciformis (140175) Protohertzina siciformis, Protohertzina unguliformis (87099) | |
Tommotian | Canada (Newfoundland and Labrador) | Maldeotaia bandalica (87332) Protohertzina anabarica, Maldeotaia bandalica (87334) | |
Tommotian | Kazakhstan | Kijacus kijanicus (99298) Protohertzina siciformis (99296 99305 99321 99322 99352 99354 99360) Protohertzina siciformis, Kijacus kijanicus (99297) | |
Tommotian | United Kingdom (Warwickshire) | Glauderia mirabilis (10252 10253) | |
Tommotian | China (Hubei) | Protohertzina anabarica, Protohertzina unguliformis (155441 155442 155444) | |
Tommotian | China (Yunnan) | Protohertzina unguliformis, Mongolodus sulcus (171902) | |
Atdabanian | Kazakhstan | Glauderia multifidus (99301 99302 99332) Kijacus kijanicus, Protohertzina cultrata (99299 99300) | |
Atdabanian | Greenland (Peary Land) | Timorebestia koprii (90574) | |
Atdabanian | Canada (Nova Scotia) | Protohertzina anabarica (9385) | |
Atdabanian | China (Zhejiang) | Protohertzina anabarica (96666) | |
Atdabanian | China (Yunnan) | Amiskwia sinica (68083) | |
Atdabanian - Botomian | Canada (Nova Scotia) | Protohertzina anabarica (9391) | |
Branchian | United Kingdom (England) | Protohertzina cultrata (79935) Protohertzina sp. indet. (79928) | |
Botomian | Australia (South Australia) | Mongolodus rostriformis, Protohertzina siciformis (97751) | |
Botomian | Kazakhstan | Glauderia multifidus (99362) | |
Delamaran | Canada (British Columbia) | Chaetognatha indet. A (84424 84426) Chaetognatha indet. A, Amiskwia sagittiformis (84428) | |
Amgan | Russian Federation (Siberia) | Protoconodonta indet. (110619 110820 110821 110822) | |
Solvan | Russian Federation (Siberia) | Protoconodonta indet. (49429 49430 110823 110824) | |
Westphalian D | USA (Illinois) | Paucijaculum samamithion (122493 151848) |