Insecta - Coleoptera - Carabidae
Alternative spelling: Hydrium
Synonym: Bembidion (Eurytrachelus) Motschulsky 1850
Full reference: J. L. LeConte. 1847. A descriptive catalogue of the geodephagous Coleoptera inhabiting the United States east of the Rocky Mountains. Annals of the Lyceum of Natural History of New York 4:355-464
Parent taxon: Bembidion according to D. R. Maddison 2012
See also Böcher 1995
Sister taxa: Bembidion (Asioperyphus), Bembidion (Bembidion), Bembidion (Bracteon), Bembidion (Diplocampa), Bembidion (Eodontium), Bembidion (Eupetedromus), Bembidion (Furcacampa), Bembidion (Hirmoplataphus), Bembidion (Melomalus), Bembidion (Metallina), Bembidion (Neobembidion), Bembidion (Nesocidium), Bembidion (Notaphus), Bembidion (Ochthedromus), Bembidion (Peryphanes), Bembidion (Peryphus), Bembidion (Philochthemphanes), Bembidion (Philochthus), Bembidion (Phyla), Bembidion (Plataphus), Bembidion (Princidium), Bembidion (Semicampa), Bembidion (Terminophanes), Bembidion (Testedium), Bembidion (Trepanedoris), Bembidion (Trepanes), Bembidion aeneum, Bembidion damnosum, Bembidion everestae, Bembidion femoratum, Bembidion festivum, Bembidion gilvipes, Bembidion lunatum, Bembidion minimum, Bembidion obliquum, Bembidion schueppeli, Bembidion semipunctatum, Bembidion strenum, Bembidion virens
Subtaxa: Bembidion (Eurytrachelus) vitiosum
Distribution: found only at Locality 77, unit B3, Kap København (Quaternary of Greenland)