Phylogenetic relationships of the eight Trephionus species and their synapomorphies.
Part of: Sasakawa K, Itô H (2018) Taxonomic notes on the ground beetles in the genus Trephionus Bates, 1883 from central Honshu, Japan (Coleoptera, Carabidae, Sphodrini, Synuchina). ZooKeys 742: 91-104. https://doi.org/10.3897/zookeys.742.23752