noncrinoid

Example:Modern crinoids and their fossils are the opposite of noncrinoids in terms of anatomical structure.

Definition:A member of the class Crinoidea, which includes sea lilies and sea stars, characterized by a feather-like arm structure.

Example:The crinoid fossils showcase their distinct lamellar structures, which noncrinoids lack.

Definition:Having or consisting of thin plates or scales, often used in the context of crinoids that have lamellae.