Não informado. (1885). Contributions to canadian palaeontology. Geological and Natural History Survey of Canada.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions to Canadian Palaeontology. Montreal, Canada: Geological and Natural History Survey of Canada, 1885.
Lua MLA (8ú heag.)Não informado. Contributions to Canadian Palaeontology. Geological and Natural History Survey of Canada, 1885.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.