USGS professional paper · 1957 · 42 citations · 7 references
Natural SciencesEarth SciencesZoologySedimentologySystematic PaleontologyVertebrate PaleontologyCephalopod PaleontologyCephalopod ZoologyAmmonite MorphologyBlack Shale FormationCephalopod EcologyCephalopod Evolution
Cephalopods of Mississippian age occur in the rocks of the Brooks Range of northern Alaska and along the Yukon River in the Eagle-Circle district in eastern Alaska. The cephalopod faunas include goniatites that can be correlated with zones in northwest Europe, especially the British Isles.
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Illustrations of the geology of Yorkshire
John Phillips · 1829 · 236 citations
Carboniferous cephalopods of Arkansas
Mackenzie Gordon · USGS professional paper · 1964 · 153 citations · Full text
Life Sciences, Botany, Zoology +3