Cryptolasma is a genus of harvestmen in the family Nemastomatidae with two described species (as of 2023).Both species are found in the Central eastern region of Mexico in Veracruz state.
The genus Cryptolasma was described by Cruz-López, Cruz-Bonilla & Francke, 2018, with the type species Cryptolasma aberrante Cruz-López, Cruz-Bonilla & Francke, 2018. The genus is said to be easily recognized from other ortholasmatines by a unique character combination.
These two species belong to the genus Cryptolasma:
The genus is neuter. The generic name is a combination of the prefix crypto- from the Greek kryptós meaning hidden or secret, with -lasma, a common suffix of the subfamily; in reference to the peculiar cryptic habits.