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Pliocene
(2 million years ago)
Laguna Hills was an open coast two million years ago. The beach
was littered with shells and sea weed. Fish, sharks, and marine
mammals swam offshore. The sky was full of sea birds.
Orange County's familiar landscape and the Laguna Hills were beginning
to emerge from the sea. The future Santa Ana Mountain range was
slowly rising.
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Sand
Dollars
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Murex
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Ghost
Shrimp
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Bat
Rays
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Rock
Fish
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Brown
Pelican
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Gray
Whale
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Fur
Seals
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Sea
Lions
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- Brachiopods
- Echinoderms
- Pliocene Mollusks
- Pismo Clams
- Scallops
- Oysters
- Mussels
- Murex
- Slipper Shells
- Olive Snails
- Cooper's Turritella
- Moon Snail
- Common Arthropods
- Ghost Shrimp
- Crabs
- Barnacles
- Sharks
- Fish
- California Sheephead
- Sculpin
- Smelt
- Rockfish
- Garibaldi (California State Fish)
- Birds
- Brown Pelican
- Cormornt
- Gulls
- Flightless Mancalla
- Chendytes Duck
- Marine Vertebrates
- Baleen Whales (California State Marine
Mammal is the Gray Whale)
- Toothed Whales (including dolphins,
porpoises, and killer whales)
- Fur Seals
- Sea Lions
- Chula Vista Walrus
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