| 词条 | Toston Formation |
| 释义 |
| name = Toston Formation | image = | caption = | type = Formation | age = Paleogene | prilithology = | otherlithology = | namedfor = | namedby = | region = Montana | country = United States | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Toston Formation is a geologic formation in Montana. It preserves fossils dating back to the Paleogene period. See also{{Portal|Earth sciences|Montana|Paleontology|Paleogene|Cenozoic}}
References
1 : Paleogene Montana |
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