Is anybody aware of updated papers on Upper Jurassic/Cretaceous Sphinctozoan sponges such as the genera Endostoma, Barroisia, and Tremacystia?

I am looking for updated papers on Upper Jurassic/Cretaceous Sphinctozoan (Calcarea) sponges such as the genera Endostoma, Corynella, Barroisia, and Tremacystia. Any updated reference/s will be...

20 May 2020 3,280 0 View