Invertebrates: Brachiopods: Kingena wacoensis (Roemer) (Texas)

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Written by Keith Minor

Kingena wacoensis (Roemer, 1852)      Remarks Collector:    Keith Minor Formation:  Washita Group, Mainstreet Limestone Location:     Travis County, TX   General Info Synonyms (older names and misidentifications in the literature)   "lamp shell" 1852 Terebratula wacoensis Römer 1857 Terebratula wacoensis Römer; Conrad 1901 Kingena wacoensis (Roemer); Hill 1920 Kingena wacoensis (Roemer); Winton and Adkins 1928 Kingena wacoensis (Roemer); Adkins 1960 Kingena wacoensis (Roemer); Perkins 1928 Kingena wacoensis (Roemer); Adkins 1947 Kingena wacoensis (Roemer); Shimer and Shrock 1989 Kingena wacoensis (Roemer); Finsley 1992 Kingena wacoensis (Roemer); Case   Stratigraphic Occurrence Upper Washita Group, Grayson Formation of north Texas Upper Washita Group, Del Rio Formation of central Texas Upper Washita Group, Mainstreet Formation of north Texas Upper Washita Group, Pawpaw Formation of north Texas Upper Washita Group, Denton Formation of north Texas Upper Washita Group, Georgetown Formation of central Texas Lower Washita Grp, Upper Marl Mbr of the Duck Creek Fm of north Texas (Washita equivalent), Aurora Formation of Coahuila, Mexico Fredericksburg Group, Edwards Formation of central Texas Trinity Group, Glen Rose Formation of central Texas   Age Kingena wacoensis (Roemer) ranges from about the Douvilleiceras mammilatum (Schlotheim) zoneto the Graysonites adkinsi Young zone, Upper Albian Stage to Lower Cenomanian Stage (~101–97 mya).   Geographic Occurrence (not an all-inclusive list) Comal County, TX Denton County, TX Coahuila, Mexico Grayson County, TX Hill County, TX McLennan County, TX Tarrant County, TX Travis County, TX Williamson County, TX   Remarks          For identification and descriptions, see: Perkins, B. F. 1960. Biostratigraphic Studies in the Comanche (Cretaceous) Series of Northern Mexico and Texas. Geological Society of America Memoir 83, 63, plate 17. Shimer, H. W.; Shrock, R. R. 1947. Index Fossils of North America. New York: John Wiley & Sons.

Last Updated ( Sunday, 24 August 2008 )