Requested reference
Clark, D. J. & Jerrard, P. C. (1972). A note on Cheiracanthium pennyi O. P.-Cambridge. Bulletin of the British Arachnological Society 2: 110. 
-- Show included taxa
Clark, D. J. & Jerrard, P. C. (1972). A note on Cheiracanthium pennyi O. P.-Cambridge. Bulletin of the British Arachnological Society 2: 110. -- Show included taxa