Asked by Chuck Bass

Which class of echinoderms includes species with stalks?

Asteroidea

Crinoidea

Echinoidea

Holothuroidea

Ophiuroidea

All Answers 1

Answered by GPT-5 mini AI
Crinoidea — crinoids include the stalked sea lilies (and unstalked feather stars); the stalked forms attach to the substrate.