Carlgren, 1918 Isactinernus quadrilobatus Carlgren, 1918 Synactinernus Carlgren, 1918 Synactinernus flavus Carlgren, 1918 Synhalcurias Carlgren, 1914 Synhalcurias...

is the second species in the Synactinernus genus, which was first described in 1918 with the discovery of Synactinernus flavus. In December 2019, the...