Biblioteca IFEA
Biblioteca IFEA

Content of the lyelliceratinae subfamily, acanthocerataceae, ammonitina, ammonoidea : Rehabilitation of the genus Ralphimlayites Etayo Serna

Robert, Emmanuel

Content of the lyelliceratinae subfamily, acanthocerataceae, ammonitina, ammonoidea : Rehabilitation of the genus Ralphimlayites Etayo Serna

bibliogr. p. 102