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Megacheira
Taxonomy
Megacheira was named by Hou and Bergström (1997).
It was assigned to Proschizoramia by Hou and Bergström (1997); to Arthropoda by Siveter et al. (2014); and to Deuteropoda by Lerosey-Aubril et al. (2020) and Zeng et al. (2020).
It was assigned to Proschizoramia by Hou and Bergström (1997); to Arthropoda by Siveter et al. (2014); and to Deuteropoda by Lerosey-Aubril et al. (2020) and Zeng et al. (2020).
Subtaxa
Synonymy list
Year | Name and author |
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1997 | Megacheira Hou and Bergström |
2014 | Megacheira Siveter et al. p. 3 |
2020 | Megacheira Lerosey-Aubril et al. p. 512 |
2020 | Megacheira Zeng et al. p. 104 |
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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.
Cl. †Megacheira Hou and Bergström 1997
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Fm. †Kootenichelidae Legg 2013
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Or. †Leanchoiliida Størmer 1944
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Fm. †Enaliktidae Siveter et al. 2014
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Fm. †Leanchoiliidae Raymond 1935
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G. †Alalcomenaeus Simonetta 1970
G. †Leanchoilia Walcott 1912
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†Leanchoilia hanceyi Briggs and Robison 1984
†Leanchoilia illecebrosa Hou 1987
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Invalid names: Apiocephalus elegans Luo and Hu 1999 [synonym], Dianchia mirabilis Luo and Hu 1997 [synonym], Leanchoilia asiatica Luo and Hu 1997 [synonym], Yohoia sinensis Luo and Hu 1997 [synonym], Zhongxinai speciosa Luo and Hu 1997 [synonym]
†Leanchoilia protogonia Simonetta 1970
†Leanchoilia superlata Walcott 1912
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Kiessling 2004 |
Age range: base of the Atdabanian to the top of the Wenlock or 520.00000 to 427.40000 Ma
Collections (78 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Atdabanian | China (Yunnan) | Leanchoilia illecebrosa (86845 86846 86851 90133 90135 90137 90149 90151 90152 90164 90165 90166 96403 96406 96409 96410 96412 96413 96416) Leanchoilia illecebrosa, Fortiforceps foliosa (96402 96405) Leanchoilia illecebrosa, Fortiforceps foliosa, Apiocephalus elegans, Leanchoilia asiatica, Dianchia mirabilis (68083) Leanchoilia sp. (86933) Leanchoilia sp., Fortiforceps sp. (86929 86930) | |
Botomian | Australia (South Australia) | Oestokerkus megacholix (187498) | |
Botomian | China (Yunnan) | Leanchoilia illecebrosa (90353) | |
Nangaoian | China (Yunnan) | Leanchoilia illecebrosa (132327 132329 194140 194141 194143 194150 194153 194160 194162 194163) Leanchoilia illecebrosa, Fortiforceps foliosa (132330 194155 194161) | |
Delamaran | Canada (British Columbia) | Alalcomenaeus cambricus, Yohoia tenuis (84431) Alalcomenaeus cambricus, Yohoia tenuis, Leanchoilia persephone (84428) Alalcomenaeus cambricus, Yohoia tenuis, Leanchoilia persephone, Leanchoilia superlata (84425) Alalcomenaeus cambricus, Yohoia tenuis, Leanchoilia superlata (84418 84422 84424 84426 84427) Worthenella cambria (121962) Yohoia tenuis (84414 84415 84416 84417 84423 84430 84434 84435 84437) Yohoia tenuis, Leanchoilia superlata (84412 84420 84421 84429 84432 84433 84436) | |
Delamaran | USA (Utah) | Leanchoilia hanceyi (77218) | |
Menevian | USA (Utah) | M. gen. et sp. nov. A (230681) | |
Middle Cambrian | USA (Utah) | Leanchoilia protogonia (80124) Leanchoilia superlata (80122) | |
Middle Cambrian | Canada (Brithish Columbia) | Alalcomenaeus sp. (188659 188662) Leanchoilia sp. (188661) | |
Marjumian | Canada (British Columbia) | Kootenichela deppi (146294) | |
Marjumian | USA (Utah) | Leanchoilia illecebrosa (80125) Leanchoilia illecebrosa, Kanoshoia rectifrons (230682) Leanchoilia protogonia, Dytikosicula desmatae (230679) | |
Darriwilian | United Kingdom (Wales) | M. NMW.2021.3 G.83 (230215) | |
Wenlock | United Kingdom | Enalikter aphson (68060) |