Abstract
Aethycteron n.g. is proposed for ancyrocephaline monogeneans from darters (Percidae: Etheostomatini): penis enfolded by spiralling sheath incorporating two filaments; accessory piece attached to penis sheath; dorsal and ventral hamuli of similar shape; marginal hooks of similar shape and size. Aethycteron malleus (Mueller, 1938) n.comb. is designated as type species and is redescribed from the present material as is A. moorei (Mizelle, 1940) n.comb. and A. hargisi (Hanek and Fernando, 1972) n.comb. Aethycteron caerulei n.sp., A. micropercae n.sp., and A. nigrei n.sp. are proposed. Aethycteron nigrofasciatus (Harrises, 1962) n. comb., A. ammocryptus (Harrises and Vickery, 1970) n. comb., A. chlorosomus (Harrises and Vickery, 1970) n.comb., A. lottensis (Harrises and Vickery, 1970) n. comb., and A. stigmaeus (Harrises and Vickery, 1970) n.comb. are transferred from Urocleidus Mueller, 1934, the generic diagnosis of which was emended by Suriano and Beverley-Burton in 1981.
Published Version
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