Three haemocyte groups were identified in the freshwater crab, Potamon fluviatilis: hyalinocytes, semigranulocytes and granulocytes. The proportion of hyalinocytes was found to be 15%, that of semigranulocytes 54.25% and that of 30.75% granulocytes.
YILDIZ, HİJRAN YAVUZCAN and ATAR, HASAN HÜSEYİN (2002) "Haemocyte Classification and Differential Counts in the Freshwater Crab, Potamon fluviatilis," Turkish Journal of Veterinary & Animal Sciences: Vol. 26: No. 2, Article 33. Available at: https://journals.tubitak.gov.tr/veterinary/vol26/iss2/33