Inoceramus (Cataceramus) balticus (Böhm, 1907)

Remarks

• Collector:      Keith Minor
• Formations:  (left specimen) middle Taylor Group, Wolfe City Formation, (right specimen) middle Taylor Group, upper Ozan Marl
• Locations:     both from Fannin County, Texas

General Info

Synonyms (older names and misidentifications in the literature)

• 1836 Inoceramus cripsii Goldfuss
• 1907 Inoceramus balticus Böhm
• 1909 Inoceramus balticus Böhm
• 1967 Inoceramus (Endocostea) balticus Böhm
• 1982 Inoceramus (Endocostea) balticus Böhm; Hattin
• 1993 Endocostea baltica baltica Böhm; Caldwell and Kauffman
• 1993 Inoceramus (Endocostea) balticus Bohm; Cobban and Kennedy
• 2001 Cataceramus balticus (Böhm); Walaszczyk, Cobban, and Harries
• 2002 Cataceramus balticus (Böhm); Akers and Akes

Stratigraphic Occurrence

• Lower Taylor Group, Wolfe City Formation of Northeast Texas
• Upper Austin Group, Burditt Formation of Central Texas
• Niobrara Group, Smoky Hill Formation of Western Kansas

Age

• Inoceramus (Endocostea) balticus Böhm occurs from the Texanites (Plesiotexanites) shiloensis Young zone to the Baculites mclearni Landes zone, Late Santonian to Late Middle Campanian time (~85 to 80 mya).

Geographic Occurrence (not an all-inclusive list)

• Gove County, KS

• Hunt County, TX

• Logan County, KS

• Travis County, TX

Remarks

         For identification, descriptions, and ranges, see:

• Caldwell, W. G. E.; Kauffman, E. G. 1993. Evolution of the Western Interior Basin. Geological Association of Canada Special Paper 39, 397–434.
• Cobban, W. A.; Kennedy, W. J. 1993. Middle Campanian Ammonites and Inoceramids from the Wolfe City Sand in Northeastern Texas. Journal of Palaeontology 67 (1), 71–82.
• Hattin, D. E.  1982.  Stratigraphy and Depositional Environment of Smoky Hill Chalk Member, Niobrara Chalk (Upper Cretaceous) of the Type Area, Western Kansas.  State Geological Survey of Kansas Bulletin 225.