Kāśyapīya

A school that originated some three to four centuries after the death of the Buddha and flourished in north-west India. The school owes its origins to the Arhat Suvarṣaka Kāśyapa, a contemporary of the Buddha, and is also known by the name Sauvarṣaka.

A Dictionary of Buddhism, Oxford University Press, 2003, 2004 (which is available in electronic version from answer.com)

kāśyapīya: A school of the Vibhajyavāda lineage. They differ from other Vibhajyavādins in conceding that past karma-s which have not given fruits are existent. --- adatta-phala.

Sarvastivada Abhidharma, Sanskrit-English Glossary, by Bhikkhu KL Dhammajoti