Simplify the following text for a Grade 8 native English-speaking person.
Original: Antennae may be clavate ( flabellate and lamellate are sub-forms of clavate , or clubbed antennae ) , filiform , geniculate , moniliform , pectinate , or serrate .
Simplified: Thin antennae are called filiform antennae , and antennae that are wide on the end are called clavate antennae .