Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Asterozoa (Sea Stars and Brittle Stars) » Asteroidea (Sea Stars) » Valvatacea (Valvatacean Sea Stars) » Paxillosida (Paxillosidan Sea Stars) » Luidiidae (Luidia Sea Stars) » Luidia (Luidia Sea Stars) » Luidia alternata (Two-banded Sea Star)