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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), Parkhaev and Demidenko (2010); and to Mollusca by Kouchinsky et al. (2017), Wagner (2023).
It was assigned to Monoplacophora by Feng et al. (2001), Parkhaev and Demidenko (2010); and to Mollusca by Kouchinsky et al. (2017), 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 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
Collections (87 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jinnigian | China (Yunnan) | Maikhanella pristinis (201510) Maikhanella sp. (201525) Maikhanella sp., Maikhanella pristinis (201524) | |
| Manykaian | Russian Federation (Siberia) | Purella cristata (50316) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk) | Aegides sp., Purella cristata (99465) | |
| Nemakit-Daldynian | China (Yunnan) | Canopoconus pristinis (96432) Mediata kunyangensis (8089) | |
| Nemakit-Daldynian | Mongolia (Khasagt-Khairkhan) | Maikhanella multa (9942) Rozanoviella atypica (10111) | |
| Nemakit-Daldynian | Russian Federation (Krasnoyarsk) | Purella cristata (99473) | |
| Nemakit-Daldynian | Russian Federation (Siberia) | Purella cristata (50317 50427) Purella cristatus (50419) Purella sp. (50340) Purella sp., Purella cristata (50366) | |
| 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 | Iran | Purella sp., Maikhanella multa (10527 10528 10529) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk Krai) | Purella cristata, Tannuella gracilis (50418) Purella sp., Purella cristata (50367) | |
| Nemakit-Daldynian | China (Sichuan) | Purella squamulosa (86618) | |
| Nemakit-Daldynian | Russian Federation (Sakha) | Purella cristata (99461) | |
| Early/Lower Cambrian | China (Shaanxi) | Maikhanella multa (86593) | |
| 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 (Hubei) | Jinkenites zhaoi (107700) | |
| Meishucunian | China (Yunnan) | Aegides places (108306) 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, Maikhanella cambrina (201511) Maikhanella radularis (201530 201541 201545) Maikhanella radularis, Maikhanella cambrina (201572) Maikhanella radularis, Maikhanella cambrina, Xiadongoconus luminosus (201514) Purella squamulosa, Yunnanopleura biformis (201517) | |
| Meishucunian | China (Shaanxi) | Emeiconus lepidites (107790) | |
| Meishucunian | China (Guizhou) | Lepidites emeishanensis (106512) | |
| Meishucunian - Tommotian | China (Yunnan) | Aegides seperbes (96449) Purella squamulosa, Canopoconus cambrinus, Canopoconus radularis, Xiadongoconus luminosus, Yunnanopleura biformis (50504) Ramenta superata (50465) | |
| Stage 2 | France (Herault) | Purella gracilis, Purella layracensis (239438) | |
| Tommotian | India | Maikhanella sp. (140175) | |
| Tommotian | China (Yunnan) | Canopoconus calvatus, Aegides seperbes (94556) Canopoconus superatus, Purella arcana, Xiadongoconus luminosus, Yunnanopleura biformis (171902) Xiadongoconus luminosus (171901) | |
| Tommotian | Russian Federation (Siberia) | Purella cristata (50368 50428) | |
| Tommotian | Russian Federation (Yakutiya) | Purella cristata (96456) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Purella cristata (50420) | |
| Tommotian | Russian Federation (Sakha) | Purella cristata (96463 233167) | |
| Tommotian | China (Hubei) | Purella lepidites (155444) Xiadongoconus luminosus (56808) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Purella cristata (96396 232905 232906) Yunnanopleura accurata (233194) Yunnanopleura sp., Purella cristata (233166) | |
| Tommotian | Russian Federation (Krasnoyarsk) | Purella cristata (99484) | |
| Atdabanian | Kazakhstan | Purella insueta (99357) | |
| Botomian | Kazakhstan | Purella insueta (99362) |