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
Content of the lyelliceratinae subfamily, acanthocerataceae, ammonitina, ammonoidea : Rehabilitation of the genus Ralphimlayites Etayo Serna
bibliogr. p. 102