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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trechus (Trechus)
Taxonomy
Trechus (Trechus) was named by Clairville (1806). It is extant.
It was assigned to Trechus by Bousquet (2012).
It was assigned to Trechus by Bousquet (2012).
Synonymy list
| Year | Name and author |
|---|---|
| 1806 | Trechus (Trechus) Clairville p. 22 |
| 2012 | Trechus (Trechus) Bousquet |
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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.
Subg. Trechus (Trechus) Clairville 1806
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Trechus (Trechus) apicalis Motschulsky 1845
Trechus (Trechus) chalybeus Dejean 1831
Trechus (Trechus) crassiscapus Lindroth 1955
Trechus (Trechus) oregonensis Hatch 1951
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
Maximum range based only on fossils: Late/Upper Pleistocene or 0.12900 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 0.0117 Ma
Minimum age of oldest fossil (stem group age): 0.0117 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pleistocene | USA (Pennsylvania) | Trechus crassiscapus (137207 137208 137209 137211) | |
| Late/Upper Pleistocene | USA (Washington) | Trechus chalybeus (169360 169361) Trechus oregonensis (167662 169371 169372 169375 169376 169377 169378 169379 169380) | |
| Late/Upper Pleistocene | USA (Wisconsin) | Trechus apicalis (169406) | |
| Tarantian | USA (Pennsylvania) | Trechus crassiscapus (137201 137204 137205 137206) |