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Myalina (Orthomyalina)
Taxonomy
Myalina (Orthomyalina) was named by Newell (1942) [Sepkoski's age data: C Mosc-u P Leon].
It was reranked as Orthomyalina by Vokes (1980) and Sepkoski (2002).
It was assigned to Myalinidae by Vokes (1980); to Pterioida by Sepkoski (2002); and to Myalina by Newell (1942) and Kues (2004).
It was reranked as Orthomyalina by Vokes (1980) and Sepkoski (2002).
It was assigned to Myalinidae by Vokes (1980); to Pterioida by Sepkoski (2002); and to Myalina by Newell (1942) and Kues (2004).
Subtaxa
Species lacking formal opinion data
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.
Subg. †Myalina (Orthomyalina) Newell 1942
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†Myalina (Orthomyalina) ampla Meek and Hayden 1864
†Myalina (Orthomyalina) slocomi Sayre 1931
†Myalina (Orthomyalina) subquadrata Shumard 1855
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Invalid names: Myalina deltoidea Gabb 1859 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Age range: base of the Westphalian to the top of the Wuchiapingian or 318.70000 to 254.17000 Ma
Collections (66 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian | Spain | Myalina subquadrata (73298) | |
| Missourian | USA (Kansas) | Myalina subquadrata (160173) | |
| Missourian | USA (Texas) | Orthomyalina subquadrata (1077) | |
| Missourian | USA (Missouri) | Myalina subquadrata (157612) | |
| Gzhelian | USA (New Mexico) | Myalina subquadrata (160176) | |
| Gzhelian | USA (Kansas) | Orthomyalina slocomi (159906 159907) Orthomyalina subquadrata (159908) | |
| Virgilian | USA (Texas) | Orthomyalina subquadrata (1068 1082) | |
| Virgilian | USA (New Mexico) | Myalina subquadrata (146828 156695 215690) | |
| Virgilian | USA (Kansas) | Myalina subquadrata (156790) Orthomyalina subquadrata (840 875 876) | |
| Noginskian | USA (Kansas) | Myalina sp. (11515 11517 11597 11613 11633 11751 11778) Myalina subquadrata (11494 11516 11519 11526 11532 11566 11579 11580 11591 11608 11612 11614 11616 11629 11636 11640 11646 11647 11648 11649 11651 11653 11698 11699 11704 11717 11726 11730 11731 11732 11733 11734 11739 11768 11774 11780 11787 11794 11810) | |
| Asselian | USA (Kansas) | Myalina sp. (12434) | |
| Kungurian | Afghanistan | Orthomyalina sp. (88263) | |
| Wuchiapingian | China (Hubei) | Orthomyalina sp. (123593) |