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Can anyone give me an explanation of what these fossils are

[pachy-pleuro-whatnot-odon]

Hello and welcome to the forum! You've come to the right place with your question, as we've got some very knowledgeable members on this forum. And while I myself can't help you much with this material, I'm sure someone else will be along shortly to help you out.

 

The little I can tell you, though, is that the light coloured shell in the last photograph is a gastropod, just as are those circled in red in the photograph below. The ones circled in blue are bivalves, while I think the ones I've circled in purple might be oysters (coincidentally, bivalves too ). I'm a bit hesitant about them being oysters, though, as the one on the right has a dome-shape that might make it a gastropod, though the remaining shell surface would suggest a regular bivalve.

 

As to the other pieces, those look like probably pieces of coral and possibly sponge to me, but would need to be cleaned to get a better impression (you could try a diluted vinegar bath - Always Add Acid - on your least interesting piece to see if it cleans up).

 

Edited May 4, 2021 by pachy-pleuro-whatnot-odon

[fossilhunter21]

35 minutes ago, pachy-pleuro-whatnot-odon said:

Those look like probably pieces of coral and possibly sponge.

They could be some very worn down peices of Bryzoan.

Edited May 4, 2021 by fossilhunter21

[Fossildude19]

I'm seeing a lot of infilled burrows. 

[fossilhunter21]

11 minutes ago, Fossildude19 said:

I'm seeing a lot of infilled burrows. 

Yeah thats why I wasn't sure if it was Bryzoan or not.