DIAFOROBIOTUS GEN. NOV.

Description: Peribuccal lamellae (ten) and ventral lamina present. A dorsal thickening present in the anterior portion of the buccal tube, in conjunction with a large tooth on the internal surface of the tube. Some strong, scattered round teeth present posterior to the second band of teeth of the buccal armature present.

Type species. Macrobiotus islandicus Richters, 1904. Etymology. Diaforobiotus, from diaforos (Greek) = different, different from all other macrobiotoid genera.

Composition. Diaforobiotus islandicus (Richters, 1904).