Identification and current palaeobiological understanding of "Keratosa"-type non-spicular demosponge fossils in carbonates: with a new example from the lowermost Triassic, Armenia
C. Luo, Y. Pei, S. Richoz, Q. Li, J. Reitner
The paper identifies and analyzes non-spicular demosponge fossils from the lowermost Triassic in Armenia, proposing criteria for their recognition and discussing their evolutionary significance.
bioRxiv · Jul 14, 2022 · PreprintPaleontology