allineare Sopra la testa e le spalle satellitare aristotle's lantern manganello Spagna principale
ECHINOID TERMINOLOGY
What traits do you think the following organisms all share in common? Use the defining characteristics of fish that you just learned to help guide you. - ppt download
Oregon Coast Aquarium - Happy #Tubesday! Purple sea urchins have tube feet that aid in movement, feeding, and respiration. Sea urchins also possess unique mouth parts, referred to as an Aristotle's lantern.
The Echinoblog: The TRUE (?) meaning of Aristotle's Lantern??
The Echinoid Directory - Natural History Museum
Sea Urchins' Teeth and Aristotle's Lantern - The Living Coast Discovery Center