On Damocles serratus, nov. gen. et sp. (Elasmobranchii: Cladodontida) from the Upper Mississippian Bear Gulch Limestone of Montana

An ontogenetic series of spines smaller than but very similar to the form taxon Physonemus attenuatus Davis have been found to be anterior dorsal spines of a cladodont chondrichthyan. The specimens, from the Upper Mississippian (Chesterian) Bear Gulch Limestone of Montana, are closest to the Stethac...

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Veröffentlicht in:Journal of Vertebrate Paleontology. - Society of Vertebrate Paleontology. - 6(1986), 1, Seite 12-19
1. Verfasser: Lund, Richard (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 1986
Zugriff auf das übergeordnete Werk:Journal of Vertebrate Paleontology
Schlagworte:Biological sciences Business Physical sciences History
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520 |a An ontogenetic series of spines smaller than but very similar to the form taxon Physonemus attenuatus Davis have been found to be anterior dorsal spines of a cladodont chondrichthyan. The specimens, from the Upper Mississippian (Chesterian) Bear Gulch Limestone of Montana, are closest to the Stethacanthidae although they lack a modified dorsal fin following the spine and have prominent metapterygia in the pelvic fins. The new genus and species Damocles serratus is erected for them and they are provisionally included within the Stethacanthidae together with the referred species Damocles attenuatus (Davis). 
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