pelmatozoic
/ˌpɛlmətəˈzəʊɪk/Zoology and Palaeontology. Now rare
adjective
Designating or relating to echinoderms which are fixed to the substrate by a stalk.
Origin
Late 19th century; earliest use found in The Athenaeum. From pelmato- + -zoic, after pelmatozoan.