Here is the other pages that goes with the key.

https://dec.vermont.gov/geological-survey/publication-gis/VTrock

Melissa Calvert, go to a geologic map of VT. to identify the primary rocks present in the location where your rock was found. Knowing the age and general geology of the area will help you to sort out if what you have is a fossil or other. Here is a link to such a map. I use such maps here in Montana to help me identify good locations for fossil…[Read more]

not a fossils.

looks like You have a spiriferida brachiopod.

What you have are sea shell fossils. Even the bits that look like teeth. If you can find out the age of the rock you, it will be easier to identify the shells.

Fossilized cracked mud.Abe I would post pictures of such mud cracks that are from cambrian rock formations, but the comments section doesn’t allow for pictures posting as comments. Such mud cracks are a geologic feature left by water features such as ponds, lakes and seas.

Amy Wu the fossils you posted are productid brachiopods. If you can learn the age of the rocks you will be able to narrow down what kind of productid it is. Also try to learned what kind of brachiopods are common for the location of the rock. Some only show up in narrow time span.

@Sam Ocon I’m not asking anyone to confirm the Id

Yes it is.