original description(ofPhoxichilidium compactum Hilton, 1939)Hilton, W. A. (1939). A preliminary list of pycnognids (sic) from the shores of California. <em>Journal of Entomology and Zoology and Pomona College.</em> 31(2): 27-35.[details]
basis of recordPycnobase (look up in IMIS) [details]