symphylous
/ˌsɪmfɪˈlaʊs, ˌsɪmˈfɪlaʊs/Definitions
1. adjective
having or relating to symphyla; having a pair of long, thread-like appendages.
“The symphylous insects were found in the damp forest.”
2. noun
A symphylous organism or structure.
“The symphylous features of the species were studied by scientists.”