Subject ASC0003ta3

The geological magazine, or, Monthly journal of geology.
Decade 3:v.3 (1886), Page 13 (1886)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32502574

Keywords

graptolite Didymograptus vacillans Tullberg Dicellograptus forehammeri Geinitz Dicranograptus ramosus Hall Graptolites fossil graptus dichograptidae Planktonic Marine Fossils Graptolite Dichograptidae

Contributors

Species