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Janus
Taxonomy
Janus was named by Stephens (1835). It is extant.
It was assigned to Cephinae by Taeger et al. (2010); and to Cephidae by Carpenter (1992), Archibald and Rasnitsyn (2015).
It was assigned to Cephinae by Taeger et al. (2010); and to Cephidae by Carpenter (1992), Archibald and Rasnitsyn (2015).
Species
Entered
by E. Leckey (authorized by D. Smith) on 2009-01-19
Synonymy list
| Year | Name and author |
|---|---|
| 1835 | Janus Stephens p. 107 |
| 1992 | Janus Carpenter |
| 2010 | Janus Taeger et al. p. 48 |
| 2015 | Janus 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.
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: Late/Upper Eocene or 37.71000 to 33.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | USA (Colorado) | J. disperditus (140149) |