Paleonet: Mystery Fossils

[Paul Blake]

Hi Paleonet,

 

Can anybody help me identify the fossils in the attached photos?  They are
from the Cretaceous (Albian) Allaru Mudstone in southwestern Queensland.

 

They remind me a bit of bryozoans being sheet-like with a  very regular
pattern.  They were found with other marine fossils such as bivalves and
ammonites.

 

Thanks for any help that you may be able to provide.

 

Regards

Paul Blake

 

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