A revision of the British species of the genus Phthiracarus Perty 1841 (Cryptostigmata: Euptyctima) Author Parry, B. W. text Bull. British Mus. nat. Hist., Zool. ser. 1979 35 323 363 http://unknown journal article ORI10637 Phthiracarus undatus Oudemans (regarded as nomen dubium) 1915 Paris area, France [Type series apparently lost]