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 very welcomed. We are currently describing a Hauterivian sponge meadow from the Lower Cretaceous of the Neuquén basin. Thank you!

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