Collected papers, Volume 11957 |
Contents
Abstract | 286 |
Arthrodires from North America | 299 |
Acanthodian jawbones Atopacanthus sp from | 337 |
7 other sections not shown
Common terms and phrases
Acanthodian Arthrodires Astraspis Atopacanthus autopalatine basal plates beds belonging Bergisch Gladbach bone tissue Brachythoraci calcified cartilage carapace Chelyophorus Coccosteus Crossopterygians Ctenurella dentinal tubes dentine dentinet dentinous tissue dermal bones dermal skull-roof Dipterus dorsal fin Downtonian Drepanaspida Dunkleosteus Elasmobranchs endocranium exoskeletal exoskeleton external face fauna fishes formation forms fossil genus Geol GROSS hard tissue hårdvävnad Heiligenstock Heintz Heterostraci holotype Hussakof & Bryant indet JAEKEL jaw-bones Kiær lateral line lateral line canals lateral line grooves layer lower jaw Macropetalichthys margin material median dorsal plate mesodentin microstructure Museum Ordovician ornamentation Ørvig Oslo ossifications Osteostraci Ostracoderms PALEOZOIC PALEOZOIC LOWER VERTEBRATES pelvic fins perichondral bone Petalichthyida pit-line Plourdosteus posterior Ptyctodontida Pycnaspis splendens quarry radialia referred Rhamphodopsis Rhynchodus ridge-scales Sandstone second dorsal fin shale SMNH-specimen species specimens spines Spitsbergen Stensiö Stockholm suborbital superficial tooth plates Upper Calcareous Flags Upper Devonian Upper Middle Devonian vascular canals ventral Zool