This animal is one of the earliest animals that did not undergo any significant shaping since Devon (400-250 million years ago) compared to its present form, although the species are not the same.
![](https://images.ecency.com/p/9RTqgzgfVW72JDfMgcczifx3z31TGjfMtpRZvkqwPcFrtsv584R9UesdHPpK7bqEzvNWLJHGhC.png?format=match&mode=fit)
This animal is one of the earliest animals that did not undergo any significant shaping since Devon (400-250 million years ago) compared to its present form, although the species are not the same.