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Promylacris ovalis
Taxonomy
Promylacris ovale was named by Scudder (1885). It is a compression fossil. Its type locality is Mazon Creek (FMNH Gurley collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
It was recombined as Mylacris ovale by Scudder (1884); it was corrected as Promylacris ovalis by Scudder (1890), Scudder (1895), Melander (1903), Handlirsch (1906), Handlirsch (1920); it was synonymized subjectively with Mylacris pennsylvanica by Durden (1969); it was considered a nomen dubium by Handlirsch (1906); it was recombined as Mylacris ovalis by Schneider (1983).
It was recombined as Mylacris ovale by Scudder (1884); it was corrected as Promylacris ovalis by Scudder (1890), Scudder (1895), Melander (1903), Handlirsch (1906), Handlirsch (1920); it was synonymized subjectively with Mylacris pennsylvanica by Durden (1969); it was considered a nomen dubium by Handlirsch (1906); it was recombined as Mylacris ovalis by Schneider (1983).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Mylacris ovale Scudder p. 308 figs. Pl 27 fig 5 |
| 1885 | Promylacris ovale Scudder p. 34 figs. Pl 27 fig 5 |
| 1890 | Promylacris ovalis Scudder p. 404 figs. Pl 31, figs 1-4 |
| 1895 | Promylacris ovalis Scudder p. 50 |
| 1903 | Promylacris ovalis Melander p. 184 |
| 1906 | Promylacris ovalis Handlirsch p. 783 |
| 1920 | Promylacris ovalis Handlirsch p. 456 |
| 1983 | Mylacris ovalis Schneider p. 112 |
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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.
†Promylacris ovalis Scudder 1885
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Bush and Bambach 2015 | |||||
Age range: Westphalian D or 309.80000 to 307.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian D | USA (Illinois) | Promylacris ovale (type locality: 122521) |