Channelaxinus Valentich-Scott & Coan, 2012 in Coan & Scott 2012

Type species. Channelaxinus oliveri Valentich-Scott & Coan, 2012 in Coan and Valentich-Scott (2012).

Diagnosis (after Oliver & Frey 2014). Moderate to large shells. Polygonal, higher than long. Beaks small, pointed, strongly prosogyrous. Anterior margin sloping long with a deeply impressed lunule, filling much of the anterior area. Posterior sulcus prominent and deep; submarginal sulcus well developed, very narrow to prominent. Median slope flattened, bounded by low ridges. Sculpture of commarginal striae. Hinge edentulous. Ligament long, narrow, sunken.