Morphological phylogeny on the unnatural grouping of Demidospermus-like species (Monopisthocotyla, Dactylogyridae) with the proposal of new genera, genera resurrections, and descriptions of new species

Open Access

Figure 17

Photomicrographs of Sicohencotyle antoniomaiai n. gen. n. sp., a parasite of Phractocephalus hemioliopterus, from the Tapajós river basin, Pará, Brazil. A – MCO in dorsal view: base of the MCO (BMCO), accessory piece (AP). B – vagina in dorsal view: vaginal pre atrium (VGPA), vaginal sclerite (VGS). C – ventral bar and anchor. D – dorsal bar and anchor. Scale bar = 25 µm (A, C–D), 15 µm (B).

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