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Maikhanellidae
Taxonomy
Maikhanellidae was named by Missarzhevsky (1989) [AUTHORITY: Authorship uncertain. Sometimes this is attributed to an unknown Zhellago 1982 paper, but other times it is attributed to Missarzhevsky's 1989 work.].
It was assigned to Monoplacophora by Feng et al. (2001) and Parkhaev and Demidenko (2010); and to Mollusca by Kouchinsky et al. (2017) and Wagner (2023).
It was assigned to Monoplacophora by Feng et al. (2001) and Parkhaev and Demidenko (2010); and to Mollusca by Kouchinsky et al. (2017) and Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Maikhanellidae Missarzhevsky |
| 1990 | Purellidae Vassiljeva p. 208 |
| 2001 | Maikhanellidae Feng et al. p. 206 |
| 2001 | Purellinae Feng et al. p. 208 |
| 2010 | Maikhanellidae Parkhaev and Demidenko p. 993 |
| 2017 | Maikhanellidae Kouchinsky et al. p. 359 |
| 2023 | Maikhanellidae Wagner |
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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.
Fm. †Maikhanellidae Missarzhevsky 1989
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G. †Canopoconus Luo et al. 1982
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†Canopoconus calvatus Luo et al. 1982
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Invalid names: Emeiconus lepidites He and Yang 1982 [synonym], Scenella squamosa Chen and Xiong 1983 [synonym]
†Canopoconus superatus Feng et al. 2001
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Invalid names: Canopoconus cambrinus Luo et al. 1982 [synonym], Lepidites emeishanensis Zhong 1977 [synonym], Lepidites imbricatus Jiang 1980 [synonym], Mediata kunyangensis Feng et al. 2001 [synonym], Ramentoides latispinus Feng et al. 2001 [synonym]
Invalid names: Cassidina Jiang 1980 [synonym], Emeiconus He and Yang 1982 [synonym], Jiangia Starobogatov and Moskalev 1987 [synonym], Lepidites Zhong 1977 [nomen dubium], Mediata Feng et al. 2001 [synonym], Ramenta Luo et al. 1982 [synonym], Ramentoides Feng et al. 2001 [synonym]
G. †Purella Missarzhevsky 1974
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†Purella antiqua Kiær 1916
†Purella arcana Val'kov 1987
†Purella atypica Missarzhevsky 1980
†Purella cristata Missarzhevsky 1974
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Invalid names: Purella dzhandica Pelman et al. 1990 [synonym]
†Purella gracilis Voronin et al. 1982
†Purella insueta Missarzhevsky and Mambetov 1981
†Purella layracensis Kerber 1988
†Purella squamulosa Qian and Bengtson 1989
Invalid names: Maikhanella Voronin et al. 1982 [synonym], Rozanoviella Missarzhevsky 1980 [synonym]
G. †Xiadongoconus Yü 1979
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G. †Yunnanopleura Yü 1987
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Invalid names: Maikhanellinae Feng et al. 2001 [empty], Purellidae Vassiljeva 1990 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Shell cap-shaped, usually with posterior (rarely with both posterior and anterior) mid-dorsal buttress. Apex central or shifted anteriorly, sometimes projects over anterior apertural margin. Aperture from circular to oval, elliptical or pyriform. External shell ornamentation scaly, more prominent in apical area. Apex always smooth." |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Meishucunian to the top of the Toyonian or 530.70000 to 510.20000 Ma
Collections (95 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Manykaian | Russian Federation (Siberia) | Purella cristata (50316) | |
| Nemakit-Daldynian | China (Yunnan) | Canopoconus pristinis (96432) Mediata kunyangensis (8089) | |
| Nemakit-Daldynian | China (Hubei) | Emeiconus antiqua (97556) | |
| Nemakit-Daldynian | Russian Federation (Siberia) | Purella cristata, Purella antiqua (50317 50427) Purella cristatus (50419) Purella sp. (50340) Purella sp., Purella cristata, Purella antiqua (50366) | |
| Nemakit-Daldynian | China (Sichuan) | Purella squamulosa (86618) | |
| Nemakit-Daldynian | Mongolia (Khasagt-Khairkhan) | Maikhanella multa (9942) Rozanoviella atypica (10111) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk Krai) | Purella cristata, Tannuella gracilis (50418) Purella sp., Purella cristata, Purella antiqua (50367) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk) | Aegides sp., Purella cristata, Purella antiqua (99465) | |
| Nemakit-Daldynian | Mongolia (Govi-Altay) | Purella panda, Purella sp. (99556) Purella panda, Purella sp., Purella cristata, Maikhanella multa (99557) Purella sp. (99555) | |
| Nemakit-Daldynian | China (Shaanxi) | Maikhanella multa (86553 86554 86555 86556 86558 86559 86560 86569 86570) Purella squamulosa (86566) | |
| Nemakit-Daldynian | Russian Federation (Sakha) | Purella antiqua (50313) Purella cristata (99461) | |
| Nemakit-Daldynian | Russian Federation (Krasnoyarsk Krai) | Purella antiqua (233193) | |
| Nemakit-Daldynian | Russian Federation (Krasnoyarsk) | Purella cristata, Purella antiqua (99473) | |
| Nemakit-Daldynian | Iran | Purella sp., Maikhanella multa (10527 10528 10529) | |
| Early/Lower Cambrian | China (Shaanxi) | Maikhanella multa (86593) | |
| Cambrian | China (Yunnan) | Maikhanella calvata (201529) Maikhanella cambrina (201548 201571) Maikhanella latispina (201567) Maikhanella latispina, Maikhanella radularis, Maikhanella cambrina (201516) Maikhanella latispina, Maikhanella radularis, Maikhanella cambrina, Xiadongoconus luminosus (201515) Maikhanella latispina, Purella squamulosa, Maikhanella cambrina, Yunnanopleura biformis (201519) Maikhanella latispina, Purella squamulosa, Yunnanopleura biformis (201518) Maikhanella pristinis (201510) Maikhanella pristinis, Maikhanella cambrina (201511) Maikhanella radularis (201530 201541 201545) Maikhanella radularis, Maikhanella cambrina (201572) Maikhanella radularis, Maikhanella cambrina, Xiadongoconus luminosus (201514) Maikhanella sp. (201525) Maikhanella sp., Maikhanella pristinis (201524) Purella squamulosa, Yunnanopleura biformis (201517) | |
| Meishucunian - Nemakit-Daldynian | China (Yunnan) | Canopoconus pristinis (96431 96433) Canopoconus sp. (96451) Purella squamulosa, Maikhanella perelegans, Ramenta superata, Ramenta cambrina, Maikhanella pristinis, Yunnanopleura biformis (49681) Ramenta superata, Ramentoides latispinus, Yunnanopleura longidens (87093) | |
| Meishucunian | China (Sichuan) | Canopoconus cambrius (108312) Emeiconus crassispinus, Emeiconus lepidites, Microlites sp., Mirusilites sp. (107389) Scenella micropora (107390) | |
| Meishucunian | China (Yunnan) | Aegides places (108306) | |
| Meishucunian | China (Guizhou) | Lepidites emeishanensis (106512) | |
| Meishucunian | China (Shaanxi) | Emeiconus lepidites (107790) | |
| Meishucunian | China (Hubei) | Jinkenites zhaoi (107700) Purella antiqua (155446 155468 155471 155473) | |
| Meishucunian - Tommotian | China (Yunnan) | Aegides seperbes (96449) Purella squamulosa, Canopoconus cambrinus, Canopoconus radularis, Xiadongoconus luminosus, Yunnanopleura biformis (50504) Ramenta superata (50465) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Purella cristata (50420) | |
| Tommotian | Russian Federation (Yakutiya) | Purella cristata (96456) | |
| Tommotian | Russian Federation (Siberia) | Purella cristata (50368 50428) | |
| Tommotian | China (Hubei) | Purella antiqua (155442) Purella lepidites, Purella antiqua (155444) Xiadongoconus luminosus (56808) | |
| Tommotian | China (Yunnan) | Canopoconus calvatus, Aegides seperbes (94556) Canopoconus superatus, Purella arcana, Xiadongoconus luminosus, Yunnanopleura biformis (171902) Xiadongoconus luminosus (171901) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Purella antiqua, Yunnanopleura accurata (233194) Purella cristata (96396) Purella cristata, Purella antiqua (232905 232906) Yunnanopleura sp., Purella cristata (233166) | |
| Tommotian | Russian Federation (Krasnoyarsk) | Purella cristata, Purella antiqua (99484) | |
| Tommotian | Russian Federation (Sakha) | Purella cristata (96463 233167) | |
| Tommotian | India | Maikhanella sp. (140175) | |
| Atdabanian | Kazakhstan | Purella insueta (99357) | |
| Botomian | Kazakhstan | Purella insueta (99362) | |
| Toyonian | Norway (Mjøsa) | Helcionella antiqua (174259) |