Nemastomatidae
Guides
Ortholasma
Ortholasma is a genus of harvestmen (Opiliones) in the family Nemastomatidae, containing five described species. The genus was established by Banks in 1894 and has been revised by Shear (2010). It is the type genus of the subfamily Ortholasmatinae. Species in this genus are small-bodied, short-legged dyspnoan harvestmen found in western North America.
Ortholasma rugosum
Ortholasma rugosum is a species of harvestman (Opiliones) in the family Nemastomatidae, first described by Banks in 1894. It is found in North America and is one of approximately 163 observed records according to iNaturalist data. The genus Ortholasma belongs to the subfamily Ortholasmatinae, a group of small-bodied harvestmen characterized by distinctive morphological features.