Simonsen, V. & Roberts, A.J. & Engelschion, V.S. & Hammer, O. & Hurum, J.H. (2026)
Digesting an ancient ecosystem: coprolites from the Grippia bonebed, Lower Triassic, Svalbard. Peerj, 14, Article e20746
DOI: 10.5852/ejt.2026.1042.3201

Roberts, A.J. & Rucinski, M. & Kear, B.P. & Hammer, O. & Engelschion, V.S. & Scharling, T.H. & Larsen, R.B. & Hurum, J.H. (2025)
Earliest oceanic tetrapod ecosystem reveals rapid complexification of Triassic marine communities. Science, 390(6774), 722–727
DOI: 10.1126/science.adx7390

Saugen, S.M. & Roberts, A.J. & Engelschion, V.S. & Hurum, J.H. (2024)
A new assemblage of Lower Triassic neoselachians (Chondrichthyes) from the Grippia Bonebed of Spitsbergen, Norway. Journal of Vertebrate Paleontology, 44(3), Article e2426544
DOI: 10.1080/02724634.2024.2426544

Bratvold, J. & Delsett, L.L. & Hurum, J.H. (2018)
Chondrichthyans from the Grippia bonebed (Early Triassic) of Marmierfjellet, Spitsbergen. Norwegian Journal of Geology, 98(2), 189–217