Hister elongatus Thunberg, 1787: 33.
Hister oblongus Fabricius, 1792: 75 [South Sweden]; Thunberg, 1794: 63, synonymized by Kannar, 1979: 25.
Plstysoma oblongusi: Leach, 1817: 79.
Cylister oblongum: Kryzhanovskij, 1965: 103.
Cylister oblongus: Kusui, 1984: 7.
Platysoma (Cylistix) elongatum: Mazur, 1999:.
Kusui (1984) recorded a specimen collected from an imported
larch wood at Naoetsu harbor, Jôetsu, Niigata-ken, Honshû.