Early Llandovery crinoids and stelleroids from the Cataract Group (Lower Silurian) in southern Ontario, Canada Eckert, James D., 1952- creator Royal Ontario Museum. contributor text multivolume monograph Toronto Royal Ontario Museum 1984 1984
print
ENG Crinoidea, Fossil Niagara Peninsula Ontario Paleontology Silurian Starfishes, Fossil QE782 E33 Life sciences contributions, 137 0384-8159 https://www.biodiversitylibrary.org/bibliography/52235 0888542984 10827558 10.5962/bhl.title.52235 OTU