Definition that contains radially symmetrical
- coelenterate radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
- echinodermata radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
- phylum echinodermata radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
- cnidarian radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms