




This is a fossilized sponge, a simple sea creature that lived in the ocean. They help clean the water by filtering it!
The Fossilized Sponge is typically a grey or tan rock formation, showing porous textures and often a cup or vase-like shape. Tiny, sharp spicules, which were its skeletal elements, may be visible under magnification, making it distinct from plain rock.





Category
AncientRarity
Common
Danger
1/5 · Very low
Snaps
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Fossils show some ancient sponges grew over a meter tall!
Some fossil sponges helped build ancient reefs alongside early corals.
The oldest known fossil sponges are over 600 million years old!
Tiny glass-like spicules are often perfectly preserved in fossil sponges.
Fossilized Sponges have structures preserved that help scientists understand ancient ocean life and environments.
Ancient sponges helped create reef-like structures, providing shelter and habitat for other early ocean creatures.
The fossil represents a living sponge's ability to filter huge amounts of water for food, cleaning ancient seas.
Ancient sponges filter-fed tiny particles like plankton and bacteria from the water.
Archaeocyathus atlantica
co-built ancient reefs alongside early sponges, creating habitat.
Cloudina carinata
formed ancient reef structures with early sponges in the Ediacaran period.
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Ancient refers to organisms, objects, or geological formations that have existed for an extremely long period.
An artifact is an object made or modified by human culture, typically of historical or archaeological interest.
A fossil is the preserved remains or traces of an ancient organism embedded in rock or other geological deposits.
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Danger
1/5 · Very low
Explore with care and ask an adult if you're unsure what to do.
0.01-0.5 m
0.01-1 kg
Ancient sponges filter-fed tiny particles like plankton and bacteria from the water.
Filter Feeding
Paleozoic
450
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