| | +-- Amphicaryoninae (p. 306) --+ | | +-- Prayinae (p. 306) ---------+ | | +-- Desmophyinae (p. 307) -----+ | | +-- Stephanophyinae (p. 307) --+ | | | Superpositae (p. 307). | | +-- Galeolarinae (p. 307) -----+ | | +-- Diphyopsinae (p. 307) -----+ | | +-- Abylinae (p. 307) ---------+ | +-- Polyphyidae (p. 307). +-- Physophorae (p. 307) +-- Physonectidae (p. 307) | +-- Agalminae (p. 307). | +-- Apoleminae (p. 307). | +-- Physophorinae (p. 308). +-- Auronectidae (p. 308). +-- Rhizophysaliidae (p. 308). +-- Chondrophoridae (p. 308). SCYPHOZOA = SCYPHOMEDUSAE (pp. 249, 310) +-- CUBOMEDUSAE (p. 318) | +-- Charybdeidae (p. 318). | +-- Chirodropidae (p. 319). | +-- Tripedaliidae (p. 319). +-- STAUROMEDUSAE (p. 320) | +-- Lucernariidae (p. 320). | +-- Depastridae (p. 321). | +-- Stenoscyphidae (p. 321). +-- CORONATA (p. 321) | +-- Periphyllidae (p. 322). | +-- Ephyropsidae (p. 322). | +-- Atollidae (p. 322). +-- DISCOPHORA (p. 323) +-- Semaeostomata (p. 323) | +-- Pelagiidae (p. 323). | +-- Cyanaeidae (p. 324). | +-- Ulmaridae (p. 324). +-- Rhizostomata (p. 324) +-- Cassiopeidae (p. 324) --+ = Arcadomyaria | --+ (p. 324). +-- Cepheidae (p. 324) --+ = Radiomyaria | --+ (p. 324). +-- Rhizostomatidae (p. 325)--+ +-- Lychnorhizidae (p. 325) | = Cyclomyaria +-- Leptobrachiidae (p. 325) | (p. 325). +-- Catostylidae (p. 325) --+