Cyclurus fragosa (Jordan, 1927)

Remarks

• Collector:    Lee Garrison

• Formation:  Montana Group, Hell Creek Formation

• Location:     Montana

General Info

Synonyms (older names and misidentifications)

• A bowfin

• 1927 Kindleia fragosa Jordan

• 1928 Kindleia fragosa Jordan; Jordan

• 1928 does not = Stylomyleodon lacus Russell; Jordan

• 1964 Kindleia fragosa Jordan; Estes

• 1964 does not = Stylomyleodon lacus Russell; Estes

• 1967 Amia fragosa (Jordan); Janot

• 1968 Kindleia fragosa Jordan; Russell

• 1969 Amia fragosa (Jordan); Estes & Berberian

• 1974 does not = Stylomyleodon lacus Russell; Boreske

• 1991 Cyclurus fragosa (Jordan); Gaudant

Stratigraphic Occurrence

• Does not occur in the Miocene Green River Formation as erroneously reported (see Gaudant, 1991 below)

• Fort Union Formation of Wyoming (Paleocene)

• Paskapoo Formation of Alberta (Paleocene)

• Edmonton Group, probably the Scollard Formation of Alberta

• Edmonton Group, probably the White Mud Formation of Alberta

• Montana Group, Lance Formation of Wyoming

• Montana Group, Hell Creek Formation of Montana

• Montana Group, Mesa Verde Formation of Wyoming

Age

• Cyclurus fragosa (Jordan) ranges from roughly the very Late Campanian Stage to the Early Paleocene Stage (~72–63 mya).

Geographic Occurrence (not an all-inclusive list)

• Alberta, Canada

• McCone County, MT

• Natrona County, WY

Remarks

       For identification and descriptions, see:

• Estes, R.; Berberian, P.  1969.  Amia (= Kindleia) fragosa (Jordan), a Cretaceous Amiid Fish with Notes on Related European Forms.  Breviora, Museum of Comparative Zoology (329), 1–13.

• Gaudant, J.  1991 (1992).  "Kindleia" fragosa Jordan and "Stylomyleodon" lacus Russell:  Two Amiid Fishes from the Late Cretaceous and the Paleocene of Alberta, Canada.  Canadian Journal of Earth Sciences 29, 158–173.

• Jordan, D. S.  1927.  Kindleia a New Genus of Cichlid Fishes from the Upper Cretaceous of Alberta.  The Canadian Field-Naturalist 41 (7), 145–147; fig's 1–14.

• Jordan, D. S.  1928.  Note on Kindleia and Stylomyleodon (Fossil Fish from Cretaceous Deposits of Alberta).  The Canadian Field-Naturalist 42 (1), 47.