<p>I found out today that this strange "fossil rock" is actually a sea biscuit (common name) in the class echinoidea. Sand dollars are flat, but the sea biscuits are "puffy". I found this out in my zoology class! </p>

CC BY-SA 4.0
2019-03-12T18:32:26.567Z
2019-03-12T18:32:26.567Z
Crozier
<p>I found this weird fossil rock and I am wondering if anybody could help identify what could have made the imprint in it or what kind of rock it is?</p>

<p><a href="https://i.sstatic.net/fYx73.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/fYx73.jpg" alt="enter image description here"></a></p>

<p><a href="https://i.sstatic.net/kRPD2.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/kRPD2.jpg" alt="enter image description here"></a></p>

<fossils><paleontology>
What is this strange fossil I found?
Crozier
# What is this strange fossil I found?

(Asked by: username_0 on 2018-09-02)

I found this weird fossil rock and I am wondering if anybody could help identify what could have made the imprint in it or what kind of rock it is?

[![enter image description here](https://i.sstatic.net/fYx73.jpg)](https://i.sstatic.net/fYx73.jpg)

[![enter image description here](https://i.sstatic.net/kRPD2.jpg)](https://i.sstatic.net/kRPD2.jpg)

**Tags:** fossils, paleontology


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## 1 answers

### Answer by username_0 on 2019-03-12. Score: 2

I found out today that this strange "fossil rock" is actually a sea biscuit (common name) in the class echinoidea. Sand dollars are flat, but the sea biscuits are "puffy". I found this out in my zoology class!


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