Phthiracarus nigerrimus, Taxa Only, Exact Match: 2 Treatments

Phthiracarus nigerrimus			Parry, B. W., 1979, A revision of the British species of the genus Phthiracarus Perty 1841 (Cryptostigmata: Euptyctima), Bull. British Mus. nat. Hist., Zool. ser. 35, pp. 323-363 : 357	357
Phthiracarus nigerrimus			van der Hammen, L., 1959, Berlese's Primitive Oribatid Mites, Zoologische Verhandelingen 40, pp. 1-93 : 50	50