Trigonurus
Mulsant, 1847
Species Guides
4Trigonurus is a of rove beetles and the sole genus in the monogeneric Trigonurinae. Approximately nine have been described, distributed across the Holarctic region. The genus was revised by Blackwelder in 1941 and has received taxonomic attention for its distinctive subfamily status within the large Staphylinidae.

Pronunciation
How to pronounce Trigonurus: /trɪˈɡoʊnʊrəs/
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Distribution
Holarctic region. Seven occur in northern America, two species in the western Palaearctic, and two species have been described from China.
More Details
Taxonomic note
Trigonurus is the only in the Trigonurinae, making this subfamily monogeneric. The subfamily was established by Reiche in 1866.
Species count
Nine are currently recognized: T. asiaticus, T. bruzasi, T. caelatus, T. crotchii, T. dilaticollis, T. edwardsi, T. mellyi, T. rugosus, and T. sharpi.