| 释义 | tet·ra·phyl·lid·ea \ˌ ̷ ̷ ̷ ̷fəˈlidēə\ noun plural
 Usage: capitalized
 Etymology: New Latin, from tetra- + phyll- + -idea
 : an order of Cestoda comprising tapeworms parasitic in elasmobranch fishes and distinguished by a scolex having four bothridia and sometimes also hooks or suckers for attachment to the host
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