|• References:||Amin, O. M. ,Heckmann, R. A. ,Halajian, A. ,Eslami, A.(2010)Redescription of Sphaerirostris picae (Acanthocephala : Centrorhynchidae) from Magpie ,Pica pica, in Northern Iran ,with special reference to unusual receptacle structures and notes on histopathology ,J. Parasitol. ,Vol.96, No. 3, pp. 561-568.|
Sphaerirostris picae Proboscis spines,SEM image taken with a Magnification of x1000,this acanthocephal was found in the intestine of Pica pica(Magpie), Mazandaran province ,north of Iran.
Complete discription in the mentioned Reference.