ARBRE GÉNÉALOGIQUE DES ZOOPHYTES

Ctenophora

Tseniata Lobata J 1^

Saccata Stenostoma

Hydromedusae

Rhizostomese

EURYSTOMA

Semaeostomese

DlSCOMEDUS^

Trachymedusse

Lucernaria Calycozoa

Siphonophora

LEPTOMEDUSjE

G or ail a

Octocoralla

Hexacoralla

Tetracoralla

Spongiae Fibrospongiae Calcispongiae

Chalynthina Leucones Sycones

Hexactinella

Geodina Dyssicus Sycurus

Ascones

Myxospongiae

Halisarcina

Chalynthus

Hydroida

Cordy

ophora

Hydra

Hydroida

Procorallum

Olynthus

. Archispongia

Hydroida

Archydra

Protascus

Gastraea