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A fossilized sea urchin is a small, spiky creature from the ocean that turned into stone. They are fun to find on the beach!
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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Kategorie
AncientSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
Mach den ersten Snap!
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!
Fossilized Sea Urchin can preserve its ancient details because its rock layers act like a natural time capsule, holding clues for millions of years.
Fossilized Sea Urchin has a rigid, intricate skeletal structure that helps scientists understand how ancient ocean creatures were built.
Fossilized Sea Urchin can indicate ancient warm, shallow seas because their presence often points to specific prehistoric marine conditions.
Ancient sea urchins grazed on algae and detritus from the seafloor.
Ptychodus mortoni
Powerful-jawed sharks crushed the shells of ancient sea urchins.
Squalicorax pristodontus
These ancient sharks were opportunistic predators of sea life.

Goniolithon catellatum
Grazed on ancient coralline algae growing on the seafloor.
Ein Artefakt ist ein von menschlicher Kultur geschaffener oder veränderter Gegenstand, der typischerweise von historischem oder archäologischem Interesse ist.
Uralt bezieht sich auf Organismen, Objekte oder geologische Formationen, die über einen extrem langen Zeitraum existiert haben.
Ein Fossil ist ein erhaltener Überrest oder eine Spur eines uralten Organismus, eingebettet in Gestein oder andere geologische Ablagerungen.
Gefahr
1/5 · Sehr gering
Explore with care and ask an adult if you're unsure what to do.
0.03-0.15 m
0.1-0.5 kg
Ancient sea urchins grazed on algae and detritus from the seafloor.
Grazing
Mesozoic Era (Cretaceous Period)
Zoome hinein, um Cluster aufzulösen und zu sehen, wo dieses Objekt fotografiert wurde.
Neueste Snaps erscheinen hier, wenn neue Beobachtungen hinzukommen.