Figure 22 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 22 - Stylaster parageus parageus A–E, G–H, J holotype (male), USNM 42871 F I female paratype, USNM 76812: A stereo view of three cyclosystems and male ampullae B a cyclosystem C gastrostyle tip surrounded by ring palisade D stereo view of a gastrostyle E–F coenosteal texture G–H rudimentary dactylostyles I female ampullae J cross section of internal male ampullae.