pennatularian
/ˌpɛnɪtjʊˈlɛːrɪən/ /ˌpɛnɪtʃʊˈlɛːrɪən/Zoology rare
adjective
= pennatulacean noun.
Origin
Late 19th century; earliest use found in The Century Dictionary. From scientific Latin Pennatularia, former family name (H. M. D. de Blainville in F. Cuvier Dict. des Sciences Naturelles LX. 476; from Pennatula, genus name + -aria) + -an.