Pseudocomitatenses were a class of regiment in the Late Roman army

Late Roman army

The Late Roman army is the term used to denote the military forces of the Roman Empire from the accession of Emperor Diocletian in 284 until the Empire's definitive division into Eastern and Western halves in 395. A few decades afterwards, the Western army disintegrated as the Western empire...

. Although they were attached to the comitatus (higher-grade mobile armies), they enjoyed lower status and pay to the comitatenses

Comitatenses

Comitatenses is the Latin plural of comitatensis, originally the adjective derived from comitatus , itself rooting in Comes .However, historically it became the accepted name for...

, the regular regiments of the comitatus. This is because their regiments had originally been classified as lower-grade limitanei

Limitanei

The limitanei, meaning "the soldiers in frontier districts" The limitanei, meaning "the soldiers in frontier districts" The limitanei, meaning "the soldiers in frontier districts" (from the Latin phrase limes, denoting the military districts of the frontier provinces established in the late third...

("border troops"), but at some point attached to a comitatus for a particular campaign and subsequently retained long-term.