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Mytiloides mytiloides (Mantell, 1822)
 
Remarks
- Collector: Keith Minor
- Formation: Middle Eagle Ford Group, Top of the Britton Shale
- Location: Dallas County, TX
- M. mytiloides and M. labiatus are considered variants of each other by some authors.
General Info
Synonyms (older names and misidentifications in the literature)
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1822 Inoceramus mytiloides Mantell
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1977 Mytiloides mytiloides (Mantell); Kauffman
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1979 Mytiloides mytiloides (Mantell); Cobban and Hook
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1983 Mytiloides mytiloides (Mantell); Cobban and Merewether
Stratigraphic Occurrence
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Eagle Ford Group, base of the Arcadia Park Shale of Texas
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Colorado Group, Greenhorn Limestone, upper Bridge Creek Member of Colorado
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Colorado Group, Greenhorn Limestone of Nebraska, Iowa, South Dakota, and Minnesota
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Colorado Group, Mancos Shale, Shale Tongue of New Mexico
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Colorado Group, Mancos Shale, Tres Hermanos Sandstone Member of New Mexico
Age
Geographic Occurrence (not an all-inclusive list)
- Cibola County, NM
- Dallas County, TX
- Dixon County, NE
- England
- Huerfano County, CO
- Minnesota (county?)
- Northwestern IA (county?)
- Pueblo County, CO
- Union County, SD
Remarks
For identification, descriptions, and additional information, see:
- Cobban, W. A.; Hook, S. C. 1979. Collignoniceras woollgari woollgari (Mantell) Ammonite Fauna From Upper Cretaceous of Western Interior, United States. New Mexico Bureau of Mines & Mineral Resources, Memoir 37.
- Cobban, W. A.; Merewether, E. A. 1983. Stratigraphy and Paleontology of Mid-Cretaceous Rocks in Minnesota and Contiguous Areas. United States Geological Survey Professional Paper 1253.
- Kauffman, E. G. 1977. “Illustrated Guide to Biostratigraphically Important Macrofossils, Western Interior Basin, U. S. A.”. In: Kauffman, E. G., ed. Field Guide: North American Paleontological Convention II. Cretaceous Facies, Faunas, and Paleoenvironments Across the Western Interior Basin. The Mountain Geologist 14 (3–4), 225–274.
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