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Stephanoprora sp. adult (Semichon's acetocarmine stained and a drawing) recovered from the small intestine of a cat. Body elongated and 2,317×474 µm in average size, having a characteristic head crown with 22 collar spines, a muscular oral sucker (OS), a pharynx (P), a well developed ventral sucker (VS), a cirrus sac (CS), a spherical ovary (O), transversely elliptical 2 testes (T), and follicular vitellaria (V) distributed in the post-testicular fields.
