| |
| | Home |
 | | are shared with vertebrates, they are synapomorphies of a monophyletic group Craniata, containing both Hyperotreti and vertebrates, but not cephalochordates, urochordates, hemichordates, or echinoderms. |
 | | are shared with other vertebrates, they are synapomorphies of Vertebrata, which excludes Hyperotreti, cephalochordates, urochordates, hemichordates, and echinoderms. |
 | | Life Cycle: Lampreys are anadromous, meaning that they begin life in fresh water where they live as suspension feeding ammocoete larvae. |
| www.geol.umd.edu /~jmerck/honr219d/notes/l9.html (1501 words) |
|