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Maychella
Taxonomy
Maychella was named by Morozova (1970) [Sepkoski's age data: P Leon-l P Guad-u Sepkoski's reference number: 905].
It was assigned to Hyphasmoporidae by Morozova (1970); to Maychellidae by Gorjunova (1985); and to Cryptostomata by Sepkoski (2002).
It was assigned to Hyphasmoporidae by Morozova (1970); to Maychellidae by Gorjunova (1985); and to Cryptostomata by Sepkoski (2002).
Synonymy list
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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. †Maychella Morozova 1970
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†Maychella absoluta Morozova 1970
†Maychella borealis Morozova 1981
†Maychella diserta Gorjunova and Morozova 1979
†Maychella jilongensis Yang and Xia 1975
†Maychella metaporata Romantchuk 1970
†Maychella nitens Morozova 1970
†Maychella ornata Morozova 1970
†Maychella ornata Morozova 1970
†Maychella qubuensis Yang and Xia 1975
†Maychella tuberculata Morozova 1970
†Maychella zabaikalica Popeko 1978
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006, Kiessling 2004 | |||||
Age range: base of the Artinskian to the top of the Changhsingian or 290.10000 to 251.90200 Ma
Collections (24 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian - Kungurian | Mongolia | M. diserta (116286) | |
| Roadian | Russian Federation | M. zabaikalica (95653) | |
| Guadalupian | Russian Federation | M. metaporata (144253) | |
| Wordian | Mongolia | M. nitens (87289 109004) M. ornata (109034) M. sp. (116245) | |
| Wordian | Russian Federation | M. absoluta (99951 99952 99959 110262 113822) M. borealis (99953 113839) | |
| Capitanian | Mongolia | M. diserta (109031) | |
| Capitanian | Russian Federation | M. ornata (113583) M. tuberculata (86042 86043 107363 110511) | |
| Wuchiapingian | New Zealand | M. sp. (118841) | |
| Wuchiapingian | China (Xizang) | M. jilongensis (110537) | |
| Changhsingian | China (Xizang) | M. qubuensis (110495) | |
| Changhsingian | China | M. ornata (61012) |