4:10 |
Placoderms had jaws and dominated our Osteichthyans ancestors (Devonian period 410 MYA, French National Museum of Natural History) |
5:30 |
Lobe-finned fish sought alternatives on land |
7:15 |
Caledonian Mountains formed from clash of Baltica and Laurentia continents along Iapetus Sea 430 MYA (Sognefjord, Norway to Monreith Bay, Scotland) |
9:30 |
Southern tipf collision is in east U.S. |
12:45 |
Plant fossils from first known forest 370 MYA (Red Hill, Pennsylvania, was foothills of ancient Caledonian Range) |
13:30 |
Archaeopteris cast shade and shed needle-like leaves, providing food and shelter |
19:00 | Armored
Pleco |
19:00 | Predatory
Arowana |
21:45 |
Lungfish can breath air (Amazon) |
23:15 |
Fish lung developed from swelling of esophagus |
24:25 | Modern fish lung developed into
air bladder |
24:30 |
Tetrapod fossil 360 MYA: |
24:50 | Air-breathing
Acanthostega had 8 fingers; its limbs cannot bend and bear weight, but can move through weedy shallow water (east Greenland) |
30:00 |
Hyneria tooth : freshwater predator may have driven other Acanthodian fish to shallow water (Red Hill, Pennsylvania) |
34:00 |
Spotted Handfish (Australia) |
37:50 |
Pederpes was earliest known animal to walk on land 348 MYA (foot of Caledonia mountains, west coast of ireland) |
41:00 |
Dinocephalian were mammal-like reptiles that dominated land 250 MYA, became extinct (Great Karoo, South Africa) |
44:15 |
Therapsid |
45:00 |
Cynodont was distant ancestor of mammals |
45:30 |
"Last pool" : 95% of Permian species became extinct, perhaps due to global warming |
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