. . . . . "101911511"^^ . . . . . "Hydrozoa"@en-us . "0"^^ . "01911511-n"^^ . "class Hydrozoa"@en-us . "101829548"@en-us . . . "0"^^ . "Hydrozoa"^^ . "101425674"@en-us . . . "coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes"@en-us . . .