Foraminifera source details
Loetterle, G. (1937). The micropaleontology of the Niobrara Formation in Kansas, Nebraska, and South Dakota. Nebraska Geological Survey, Bulletin. 12: 1-73.
216353
Loetterle, G
1937
The micropaleontology of the Niobrara Formation in Kansas, Nebraska, and South Dakota
Nebraska Geological Survey, Bulletin
12: 1-73
Publication
The Niobrara is one of the most widespread of Upper Cretaceous formations. It was deposited over most of the extent of the Colorado geosyncline, so that strata of Niobrara age occupy large areas in North Dakota, South Dakota, Montana, Wyoming, Nebraska, Kansas, Colorado, New Mexico and Texas. This report is based upon a study of the microfauna of the formation as it developed in Kansas, Nebraska and South Dakota. An attempt was made to determine the stratigraphic range of the various species as well as their geographic distribution.
Date
action
by
Bolivina crenulata Loetterle, 1937 † accepted as Bolivina loetterlei Hamam, 1977 † (original description)
Dentalina niobrarensis Loetterle, 1937 † (original description)
Gaudryina nebrascensis Loetterle, 1937 † (original description)
Globorotalia umbilicata Loetterle, 1937 † (original description)
Guembelina plummerae Loetterle, 1937 † accepted as Pseudotextularia browni Masters, 1976 † accepted as Pseudotextularia nuttalli (Voorwijk, 1937) † (original description)
Kyphopyxa undulata Loetterle, 1937 † (original description)
Planularia umbonata Loetterle, 1937 † (original description)
Robulus isidis (Schwager, 1883) † accepted as Lenticulina isidis (Schwager, 1883) † (new combination reference)
Schackoina trituberculata (Morrow, 1934) † accepted as Schackoina multispinata (Cushman & Wickenden, 1930) † (new combination reference)
Valvulineria plummerae Loetterle, 1937 † (original description)
Dentalina niobrarensis Loetterle, 1937 † (original description)
Gaudryina nebrascensis Loetterle, 1937 † (original description)
Globorotalia umbilicata Loetterle, 1937 † (original description)
Guembelina plummerae Loetterle, 1937 † accepted as Pseudotextularia browni Masters, 1976 † accepted as Pseudotextularia nuttalli (Voorwijk, 1937) † (original description)
Kyphopyxa undulata Loetterle, 1937 † (original description)
Planularia umbonata Loetterle, 1937 † (original description)
Robulus isidis (Schwager, 1883) † accepted as Lenticulina isidis (Schwager, 1883) † (new combination reference)
Schackoina trituberculata (Morrow, 1934) † accepted as Schackoina multispinata (Cushman & Wickenden, 1930) † (new combination reference)
Valvulineria plummerae Loetterle, 1937 † (original description)