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TaxNo: 2784Phaneroceras kesslerense
Suborder: Goniatitina
Superfamily: Schistoceratoidea
Family: Pseudoparalegoceratidae
Genus: Phaneroceras
Species: kesslerense
Qualifier: ss
Author: Mather 1915,p.242
Lower Boundary: UAR Woolsey--Dye Shale, "caprock", 311.7 million years
Upper Boundary: U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years