Trechus (Trechus) Clairville 1806 (ground beetle)
Insecta - Coleoptera - Carabidae
Full reference: J. P. Clairville. 1806. Helvetische Entomologie oder Verzeichniss der schweizerischen Insekten nach einer neuen Methode geordnet, zweiter Theil 1-247
Parent taxon: Trechus according to Y. Bousquet 2012
Sister taxa: Trechus amplicollis, Trechus balticus, Trechus capito, Trechus eoanophthalmus, Trechus exhibitorius, Trechus ovipennis, Trechus praeglacialis, Trechus quadristriatus, Trechus rivularis
Subtaxa: Trechus (Trechus) apicalis Trechus (Trechus) chalybeus Trechus (Trechus) crassiscapus Trechus (Trechus) oregonensis
Ecology:
Distribution:
• Quaternary of United States (20: Pennsylvania, Washington, Wisconsin collections)
Total: 20 collections each including a single occurrence