The present investigation deals with taxonomic studies of mammalian tapeworm of genus Avitellina, viz. A. sakriensisn. sp. collected from the host Capra hircus at Sakri (M.S.) India. The present worm comes closer to all the known species to the genus Avitellina in general topography of organ but differs due to scolex medium, squarish; suckers large, oval; neck long; mature segment 21 to 22 times broader than long; testes oval, large, 4 – 8 in number, outer column 0 – 1, inner column 2-3 testes; cirrus pouch large, oval; vas deferens, medium; ovary medium, single, oval; vagina dorsal to cirrus pouch; vitelline gland absent; genital pore irregularly alternate and gravid segments show one pyriform par uterine organ, containing eggs.