- All Deuterostomes
- Echinoderms
- Hemichordates
- Cephalochordates
- Urochordates
- Vertebrates
- Echinoderms
- Bilateral symmetry as larvae.
- Radial symmetry as adults.
-
Star fish, sea urchins, sea cucumber.
- Urochardates
-
Sea squirts, tunicates
- No coelom, open circulation, asexual or bisexual
- Chordate hallmarks only in embryos
Vertebrates
Fishes
- Outgroup
- Hagfishes
- No vertebrates
- Jawless Fishes
- Hagfishes & Lampreys (parasitic)
- Chondrish Abbreviation
- Cartilage
- Chondrichthyans
- First fish with jaws
- Cartilage fish, not bony
- Ray-Finned Fish
- First boney fishes
- Vertebral column, skull, brain, heart
- Lobe-Finned Fishes
- Lobe-fins precursors to tetra-pod limbs
- Coelacanth, joints start transitioning to bone.
- Tetrapod limbs are modified fins.
-
- Tilaalik Roseae
Amniotic Eggs
- Amniotic Eggs
- Allows mammals to move further onto land.
- Amniotic egg becomes modified in mammals.
Primate Phylogeny
- Wet-nosed primates
- Lemurs
- dry-nosed primates
- Orangutans
- Gorilla
- Apes
- Humans
Humans diverge from the LUCA of chimpanzees and bonobos.