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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!

Aussehen

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.

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Fossilized Sea Urchin
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Fossilized Sea Urchin

Kategorie

Ancient

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

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Interessante Fakten

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!

Besondere Fähigkeiten

Fähigkeit

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.

Fähigkeit

Ocean Architect

Fossilized Sea Urchin has a rigid, intricate skeletal structure that helps scientists understand how ancient ocean creatures were built.

Fähigkeit

Paleo-Clue

Fossilized Sea Urchin can indicate ancient warm, shallow seas because their presence often points to specific prehistoric marine conditions.

Maße und Details

Estimated Length
0.03-0.15 m
Estimated Weight
0.1-0.5 kg
Era
Mesozoic Era (Cretaceous Period)

Ernährung und Fütterung

Ancient sea urchins grazed on algae and detritus from the seafloor.

Hauptnahrung

  • Algae
  • Seaweed
  • Detritus
  • Microorganisms

Nahrungssuche

  • Grazing

Ökologische Zusammenhänge

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.

Merkmale

Auch bekannt als

Echinoid FossilSea Urchin Fossil

Sammlungen

Sicherheit

Gefahr

1/5 · Sehr gering

Explore with care and ask an adult if you're unsure what to do.

Häufig gestellte Fragen

Was ist der/die/das estimated Length von Fossilized Sea Urchin?

0.03-0.15 m

Was ist der/die/das estimated Weight von Fossilized Sea Urchin?

0.1-0.5 kg

Was frisst Fossilized Sea Urchin?

Ancient sea urchins grazed on algae and detritus from the seafloor.

Wie jagt Fossilized Sea Urchin?

Grazing

Was ist der/die/das era von Fossilized Sea Urchin?

Mesozoic Era (Cretaceous Period)

Snap-Karte

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