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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Gerontini
Taxonomy
Gerontini was named by Hesse (1938). It is extant.
It was assigned to Toxophorinae by Evenhuis and Greathead (1999), Li and Yeates (2019).
It was assigned to Toxophorinae by Evenhuis and Greathead (1999), Li and Yeates (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Gerontini Hesse |
| 1999 | Gerontini Evenhuis and Greathead |
| 2019 | Gerontini Li and Yeates p. 866 |
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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.
Tr. Gerontini Hesse 1938
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G. Geron Meigen 1820
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†Geron figuratus Theobald 1937
†Geron oligocaenicus Timon-David 1944
†Geron platysoma Cockerell 1915
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
Maximum range based only on fossils: base of the Chadronian to the top of the Late/Upper Oligocene or 37.00000 to 23.04000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Colorado) | Geron platysoma (113749) | |
| Late/Upper Oligocene | France (Bouches-du-Rhone) | Geron figuratus (122464) |