单词	Palaeechinoidea
释义	Palaeechinoidea plural noun Palae·​echinoidea in some classifications : a division of extinct chiefly Paleozoic sea urchins having the test usually composed of more than 20 meridional rows of plates that often overlap and jaws always present compare euechinoidea palaeechinoidean ¦⸗⸗+ adjective or noun Word History Etymology New Latin, from pale- + Echinoidea
随便看	cimelia cimeter cimetidine cimetidines cimexes cimices cimicid cimicidaes cimicifugae cimicifugas cimicoid ciminite cimmaron Cimmerian cimmerian bosporus cimmerians cimolite Cimon cin cin- cinch cinch mark cinch ring cincha cinchbinder

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