Megalonotus dilatatus (Herrich-Schaeffer, 1840)

Pachymerus dilatatus Herrich-Schaeffer, 1840b: 33. STS: Germany, Bayern (Erlangen) and Sachsen (Stadt Wehlen); lost.

Pachymerus obscurus Mulsant & Rey, 1852: 116 (syn. Fieber, 1861a: 182). STS: France, nr Lyon; lost.