Upper Silurian Brachiopods from southeastern Alaska /

Autor Kirk, Edwin, 1884-1955, Amsden, Thomas W.
Vydáno 1952

Silurian Brachiopods and Gastropods of southern New Brunswick /

Autor Boucot, A. J. 1924-2017, Johnson, J. G., 1932-1994, Harper, Charles, Walmsley, Victor G.
Vydáno 1966

Contributions to Canadian paleontology : (three papers) /

Autor Boucot, A. J. 1924-2017, Johnson, J. G., 1932-1994, Ludvigsen, Rolf, Perry, D. G.
Vydáno 1975

Silurian brachiopods and benthic communities in the Prague Basin (Czechoslovakia) /

Autor Havlíček, Vladimír, 1922-1999, Štorch, Petr, 1956-
Vydáno 1990

Brachiopods of the Arisaig Group (Silurian-Lower Devonian) of Nova Scotia /

Autor Harper, Charles W.
Vydáno 1973