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Atocus defessus
Taxonomy
Atocus defessus was named by Scudder (1892). Its type specimen is MCZ 3492, an exoskeleton, and it is a compression fossil. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado. It is the type species of Atocus.
Synonymy list
| Year | Name and author |
|---|---|
| 1892 | Atocus defessus Scudder p. 25 figs. Pl 1 fig 5 |
| 1908 | Atocus defessus Rohwer p. 594 |
| 1983 | Atocus defessus Rasnitsyn p. 69 fig. 4a |
| 2004 | Atocus defessus Nel p. 266 |
| 2010 | Atocus defessus Taeger et al. p. 81 |
| 2015 | Atocus defessus Archibald and Rasnitsyn p. 210 |
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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.
†Atocus defessus Scudder 1892
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Chadronian or 37.00000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Colorado) | Atocus defessus (106380 type locality: 106384) |