A Generic Revision of the Stylasteridae (Coelenterata: Hydrozoa) Part 3 Keys to the Genera

Dichotomous and tabular keys to the 23 genera, 2 subgenera, and 5 species groups of the Stylasteridae are presented. The keys stress easily recognized external skeletal characters, most of which can be seen using a dissecting microscope, such as: coordination of dactylopores and gastropores, presence or absence of gastroand dactylostyles, cyclosystem orientation, dactylopore spine shape, ampuUar p…