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Amarixys gracilis
Taxonomy
Curculioides gracilis was named by Petrunkevitch (1945). Its type specimen is ISM 14862, an exoskeleton, and it is an impression. Its type locality is Mazon Creek (Illinois State Museum collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
It was recombined as Amarixys gracilis by Selden (1992) and Whalen and Selden (2020).
It was recombined as Amarixys gracilis by Selden (1992) and Whalen and Selden (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1945 | Curculioides gracilis Petrunkevitch p. 68 figs. 34; pl 2, figs 8-10 |
| 1949 | Curculioides gracilis Petrunkevitch p. 287 |
| 1953 | Curculioides gracilis Petrunkevitch p. 114 |
| 1992 | Amarixys gracilis Selden p. 619 figs. 4d, 20, 21b,c |
| 2020 | Amarixys gracilis Whalen and Selden p. 607 fig. 2 |
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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.
†Amarixys gracilis Petrunkevitch 1945
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Bush and Bambach 2015 | |||||
Age range: Westphalian D or 309.80000 to 307.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Westphalian D | USA (Illinois) | Curculioides gracilis (type locality: 133734) | |
| Westphalian D | USA (Oklahoma) | Amarixys gracilis (152120) |