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Fossilized Sea Urchin
探検Ancient
Fossilized Sea Urchin
A fossilized sea urchin is a small, spiky creature from the ocean that turned into stone. They are fun to find on the beach!
外見
The Fossilized Sea Urchin is typically a rounded or oval shape, often flattened, showing distinct radial symmetry. It appears in muted shades of grey, brown, or cream, revealing the intricate patterns of its calcified shell (test) and sometimes spine attachment points.
界Animalia
カテゴリ
Ancientレア度
Common
危険度
1/5 · 非常に低い
スナップ
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おもしろい事実
Early humans sometimes wore fossil sea urchins as good luck charms!
Finding one means you're touching something truly millions of years old!
Some fossil urchins still show where their sharp spines once attached!
They're ancient cousins to modern starfish and sand dollars!
特殊能力
能力
Time Capsule
Fossilized Sea Urchin can preserve its ancient details because its rock layers act like a natural time capsule, holding clues for millions of years.
能力
Ocean Architect
Fossilized Sea Urchin has a rigid, intricate skeletal structure that helps scientists understand how ancient ocean creatures were built.
能力
Paleo-Clue
Fossilized Sea Urchin can indicate ancient warm, shallow seas because their presence often points to specific prehistoric marine conditions.
サイズと詳細
- Estimated Length
- 0.03-0.15 m
- Estimated Weight
- 0.1-0.5 kg
- Era
- Mesozoic Era (Cretaceous Period)
食性と食事
Ancient sea urchins grazed on algae and detritus from the seafloor.
主な食物
- Algae
- Seaweed
- Detritus
- Microorganisms
採餌方法
- Grazing
生態系とのつながり
eaten by
Ptychodus Shark
Ptychodus mortoni
Powerful-jawed sharks crushed the shells of ancient sea urchins.
eaten by
Crow Shark
Squalicorax pristodontus
These ancient sharks were opportunistic predators of sea life.
eats
Coralline Algae
Goniolithon catellatum
Grazed on ancient coralline algae growing on the seafloor.
特徴
別名
Echinoid FossilSea Urchin Fossil
コレクション
安全性
危険度
1/5 · 非常に低い
Explore with care and ask an adult if you're unsure what to do.
よくある質問
Fossilized Sea Urchinのestimated Lengthは何ですか？
0.03-0.15 m
Fossilized Sea Urchinのestimated Weightは何ですか？
0.1-0.5 kg
Fossilized Sea Urchinは何を食べますか？
Ancient sea urchins grazed on algae and detritus from the seafloor.
Fossilized Sea Urchinはどのように狩りをしますか？
Grazing
Fossilized Sea Urchinのeraは何ですか？
Mesozoic Era (Cretaceous Period)
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