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Protohertzina
Taxonomy
Protohertzina was named by Missarzhevsky (1973) [Sepkoski's age data: V (N-Da-l)-Cm(Boto-l)]. It is considered to be a form taxon. Its type is Protohertzina anabarica.
It was assigned to Furnishinidae by Clark et al. (1981), Azmi and Pancholi (1983); to Protoconodontida by Sepkoski (2002); to Protoconodonta by Parkhaev and Demidenko (2010); and to Chaetognatha by Kouchinsky et al. (2017).
It was assigned to Furnishinidae by Clark et al. (1981), Azmi and Pancholi (1983); to Protoconodontida by Sepkoski (2002); to Protoconodonta by Parkhaev and Demidenko (2010); and to Chaetognatha by Kouchinsky et al. (2017).
Synonyms
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Synonymy list
Year | Name and author |
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1973 | Protohertzina Missarzhevsky p. 54 |
1981 | Protohertzina Clark et al. p. W114 |
1982 | Emeidus Chen p. 258 |
1983 | Protohertzina Azmi and Pancholi p. 366 |
1984 | Hastina Yang and He p. 38 |
2002 | Protohertzina Sepkoski |
2010 | Protohertzina Parkhaev and Demidenko p. 925 |
2017 | Protohertzina Kouchinsky et al. p. 396 |
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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. †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]
Diagnosis
Reference | Diagnosis | |
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P. Y. Parkhaev and Y. Demidenko 2010 | "Bilaterally symmetrical, conical strongly elongated claw-like elements, straight or gradually bent, with expanded basal part. Basal cavity deep, reaching apical part of element. Anterior side convex, rarely straight, circular in cross-section, with small depression (furrow) in basal part of element. Posterior side concave, rarely straight, with median carina. Median carina rarely present on anterior side. Anterior and posterior sides separated from each other by lateral ribs. Chemical composition of elements calcium phosphate." |
Measurements
No measurements are available
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Source: g = genus, p = phylum | |||||
References: Hendy et al. 2009, Bambach et al. 2007 |
Collections (119 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Jinnigian | China (Yunnan) | P. anabarica (201524 201528 201533 201534 201537) P. anabarica, P. unguliformis (201491) P. wangjiawanensis (106506) | |
Nemakit-Daldynian | Russian Federation (Krasnoyarsk) | P. anabarica (99483) | |
Nemakit-Daldynian | Russian Federation (Sakha) | P. anabarica (99228) P. ungulata (99461) | |
Nemakit-Daldynian | China (Shaanxi) | P. anabarica, P. unguliformis (86552 86554 86555 86556 86561 86562 86619) P. unguliformis (86553 86557 86558 86560 86564 86566 86567 86568 86569 86570 86571 86620) | |
Nemakit-Daldynian | China (Sichuan) | P. anabarica, P. unguliformis (232842) P. sp. (8088) P. unguliformis (232841) | |
Nemakit-Daldynian | Iran | P. anabarica (10526) P. sp. (10522) | |
Nemakit-Daldynian | Russian Federation (Siberia) | P. anabarica, P. unguliformis (50340 50414) P. ungullformis (50427) P. ungullformis, P. anabarica (50424 50425) | |
Nemakit-Daldynian | China (Hubei) | P. sp. (10499 97556) | |
Nemakit-Daldynian | Russian Federation (Krasnoyarsk Krai) | P. anabarica (233192 233193) | |
Nemakit-Daldynian | India | P. anabarica (99560) | |
Nemakit-Daldynian | Mongolia (Govi-Altay) | P. anabarica (99556) P. sp., P. anabarica (99557) P. unguliformis (99555) | |
Nemakit-Daldynian | Kazakhstan | P. anabarica (99319 99358) P. anabarica, P. unguliformis (99294 99295 99304) | |
Nemakit-Daldynian | China (Yunnan) | P. anabarica, P. unguliformis (96432) P. sp. (96322) | |
Nemakit-Daldynian | China (Hunan) | P. anabarica, P. siciformis, P. unguliformis (97714) | |
Nemakit-Daldynian - Tommotian | China (Hubei) | P. anabarica, P. unguliformis (155448 155462 155464 155466) | |
Early/Lower Cambrian | China (Shaanxi) | P. unguliformis (86579 86580 86582 86583 86584 86585 86586 86587 86588 86589 86590 86591 86592) P. unguliformis, P. anabarica (86593) | |
Early/Lower Cambrian | China (Sichuan) | P. anabarica (86617) | |
Meishucunian - Nemakit-Daldynian | China (Yunnan) | P. anabarica (96451) P. anabarica, P. siciformis, P. unguliformis (96431 96433) | |
Meishucunian | China (Hubei) | P. anabarica (107634 107635 107636 107665 107789) P. anabarica, P. robusta (106524) P. anabarica, P. unguliformis (155446 155468 155469 155471 155473) P. sp. (108414) | |
Meishucunian | China (Shaanxi) | P. sp. (107774) | |
Meishucunian | China (Guizhou) | P. anabarica (106508 106516) P. sp., P. anabarica (106519) | |
Meishucunian | China (Zhejiang) | P. anabarica, P. unguliformis (108038) | |
Meishucunian | China (Sichuan) | Hastina bialata, P. dabashanensis, Hastina quadrigoniata (107389) P. anabarica, P. siciformis, P. unguliformis (108312) | |
Tommotian | China (Hubei) | P. anabarica, P. unguliformis (155441 155442 155444) | |
Tommotian | Canada (Newfoundland and Labrador) | P. anabarica (87334) | |
Tommotian | India | P. anabarica, P. siciformis (140175) P. siciformis, P. unguliformis (87099) | |
Tommotian | Kazakhstan | P. siciformis (99296 99297 99305 99321 99322 99352 99354 99360) | |
Tommotian | China (Yunnan) | P. unguliformis (171902) | |
Atdabanian | China (Zhejiang) | P. anabarica (96666) | |
Atdabanian | Canada (Nova Scotia) | P. anabarica (9385) | |
Atdabanian | Kazakhstan | P. cultrata (99299 99300) | |
Atdabanian - Botomian | Canada (Nova Scotia) | P. anabarica (9391) | |
Branchian | United Kingdom (England) | P. cultrata (79935) P. sp. indet. (79928) | |
Botomian | Australia (South Australia) | P. siciformis (97751) |