Figure 13 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910

Figure 13 - Stylaster brochi, A, E, G–H, K male from USNM 96264 B–D, F, J female syntype, USNM 43264 I, L male from USNM 1123049: A stereo view of cyclosystems on branch tip B stereo view of cyclosystems and supernumerary dactylopores C branch tip D a cyclosystem E coenosteal texture F dactylostyle G stereo view of longitudinal section through a cyclosystem H a gastrostyle surrounded by its ring palisade I, L an elongate gastrostyle J longitudinal section of a cyclosystem showing curvature of gastropore tube, sectioned female ampulla, and two gastrostyles K cross section through several male ampullae and a gastropore tube.