addle-headed aeolidioidea apple-headed dial-a-yield didelphyidae dillydallied elaphoidella haplodiploid haplolepidae haplophaedia hellhealheel hippie-dippy hoop-dee-doo hypodiploidy lepidopalpia lollipoplady loopedpoodle lophophyllid oedipodiella oohpoopahdoo ooohooohoooh oop-pop-a-da ophiolepidid palaelodidae paleopallial pealleappale philadelphia philidelphia phyllidiella phyllidiidae phyllolepida playplayplay polyadelphia polypodiidae poohpoohpooh yadayadayada yaddaladoddi