This fossil appears to be a  Deltablastus permicus blastoid found in the Sonnebait Formation(?) of Timor. The fossil dates to the Permia...

This image shows what appears to be a  Hederella  bryozoan and spirobis (palaeoconchus?) that grew on a Cliothyridina sublamellosa  brac...

Here is a nice find showing 3 different fossils. What appears to be a  Hederella and unknown bryozoan that grew on a Zaphrentoides coral ...