New records of postglacial walrus and a review of Quaternary marine mammals in New Brunswick - 1990
A lower Palaeozoic 'onychophoran' reinterpreted as a pelmatozoan (stalked echinoderm) column - 1994
Isocrinid crionoids from the late Cenozoic of Jamaica - 1994
A camerate crinoid from the Upper Silurian (Ludlow) Moydart Formation of Nova Scotia, Canada - 1995