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Orthomylacris rigida
Taxonomy
Promylacris rigida was named by Scudder (1890). It is an impression. Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois.
It was considered a nomen dubium by Handlirsch (1906); it was recombined as Orthomylacris rigida by Handlirsch (1920) and Handlirsch (1922).
It was considered a nomen dubium by Handlirsch (1906); it was recombined as Orthomylacris rigida by Handlirsch (1920) and Handlirsch (1922).
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Promylacris rigida Scudder p. 404 figs. Pl 31, fig 6 |
| 1895 | Promylacris rigida Scudder p. 50 figs. Pl III fig 1 |
| 1920 | Orthomylacris rigida Handlirsch p. 454 |
| 1922 | Orthomylacris rigida Handlirsch p. 176 |
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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.
†Orthomylacris rigida Scudder 1890
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Diagnosis
No diagnoses are available