Atrypoidea zonation of the Upper Silurian Read Bay Formation of Somerset and Cornwallis Islands, Arctic Canada / Brian Jones. -- Ottawa, 1979. -- S.2204-2218, : obr. -- In: Canadian Journal of Earth sciences, 1979, Volume 16, Number 12.. -- bibl.
Brachiopoda
Atrypoidea
Upper Silurian
Read Bay Formation
Arctic Canada