BANDYOPADHYAY, P. K., U. S. ROYCHOUDHURI, and GARGI BISWAS. 2001. “STOMATOPHORA MAJUMDARI SP. N. (APICOMPLEXA : SPOROZOA) AN ACEPHALINE GREGARINE IN THE SEMINAL VESICLES OF EARTHWORM OF WEST BENGAL, INDIA”. UTTAR PRADESH JOURNAL OF ZOOLOGY 21 (3):221-24. https://www.mbimph.com/index.php/UPJOZ/article/view/164.