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The Cretaceous Period
144 to 65 Million Years Ago
Start: |
Maybe near lowest occurrence of ammonite Berriasella jacobi. |
Index Fossils: |
Ammonites, Graptolites, Pelecypod |
Evolution: |
Dinosaurs and other reptiles dominate; seed-bearing plants appear, snakes, modern lizards, social insects (ants, bees etc.), marsupial, placental mammals; extinction dinosaurs and ammonites at end of period |
Geography: |
Continued separation of the continents, rising mountain ranges, cooler climate |
Rocks: |
Chalk |
Anomalous Fossils:
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Large Mammal: This print was found in the middle of the cretaceous period (110 mya) This "cat-like" print is 9" across, larger than any known cat, past or present. While this print may not be a cat, it is definitely of a large mammal. According to evolutionary theory, the first large mammals did not appear until the early Tertiary Period (54-65 mya).
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Living Fossils:
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Coelecanth: This species of fish was assumed extinct 65 million years ago during the cretaceous period, about the same time the dinosaurs are assumed to have become extinct. The earliest Coelecanth fossil is dated 375 million years ago during the devonian period and was assumed by evolutionists to be the missing link between fish and amphibians. In 1938 a Coelecanth was caught off the coast of Africa and is found to be identical as those in the fossil record.
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