The Humbug Formation is a geologic formation in Utah. It preserves fossils dating back to the Mississippian (Meramecian) of the Carboniferous period.
Description The Humbug Formation includes intercalated limestones, orthoquartzitic sandstones, and dolomite. It is more than thick on Stansbury Island but thins to the east and south. There the formation averages about thick.
Fossil content The following fossils have been reported from the formation:Humbug Formation at Fossilworks.org Bryozoans
Fenestella acarinata F. crockfordae F. hamithensis F. rarinodosa F. serratula F. tooelensis F. trifurcata Hemitrypa reticulata Polypora micronodosa P. stansburyensis Ptylopora eliasi Septopora sp.
See also List of fossiliferous stratigraphic units in Utah Paleontology in Utah
References
Bibliography L. H. Burckle. 1960. Some Mississippian fenestrate bryozoa from central Utah. Journal of Paleontology 34(6):1077-1098