
Squatinactis caudispinatus, a new elasmobranch from the Upper Mississippian of Montana. Annals of Carnegie Museum, 45(4), 43–54

New information on Squatinactis caudispinatus (Chondrichthyes, Cladodontida) from the Chesterian Bear Gulch Limestone of Montana. Journal of Vertebrate Paleontology, 8(3), 340–342
DOI: 10.1080/02724634.1988.10011718

Chondrichthyan life history styles as revealed by the 320 million years old Mississippian of Montana. Environmental Biology of Fishes, 27(1), 1–19
DOI: 10.1007/BF00004900

Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
Late Viséan pelagic chondrichthyans from northern Europe. Acta Palaeontologica Polonica, 60(4), 899–922
DOI: 10.4202/app.00084.2014
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1