Cycadeoidea
noun
Cy·cad·e·oi·dea
: a genus of extinct gymnospermous plants of the Mesozoic era (family Cycadeoidaceae) having short stout trunks embedded with reproductive cones and covered in spirally arranged leaf bases and topped by a crown of large leaves with many divisions
Word History
Etymology
New Latin, from Cycadeae (subfamily of Cycadaceae) (formerly used as synonym of Cycadaceae) (from Cycad-, Cycas, type genus + -eae) + -oidea