2 ms·
I had to check because I was skeptical, but Bilateria actually does include the radially symmetrical echinoderms, i.e. sea stars, urchins, and other weirder cre
by andrewflnr 7y ago
I had to check because I was skeptical, but Bilateria actually does include the radially symmetrical echinoderms, i.e. sea stars, urchins, and other weirder creatures. They go through a bilaterally symmetric larval stage.
- GlennS 7y agoIt's pretty interesting that a starfish is more closely related to us than it is to, say, an octopus or a crab.