Fig. 10From: Species of Characidotrema Paperna & Thurston, 1968 (Monogenea: Dactylogyridae) from fishes of the Alestidae (Characiformes) in Africa: new species, host-parasite associations and first insights into the phylogeny of the genusHaptoral sclerotized elements of Characidotrema brevipenis Paperna, 1969 showing the sheath-like structure associated with the shaft and point of the ventral anchors (Phase-contrast micrograph combined with line drawings)Back to article page