| 词条 | Tomhegan Formation |
| 释义 |
| name = Tomhegan Formation | image = | caption = | type = Formation | age = Devonian | prilithology = | otherlithology = | namedfor = | namedby = | region = {{Flag|Maine}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Tomhegan Formation is a geologic formation in Somerset County, Maine. It preserves fossils dating back to the Devonian period.[1] See also{{Portal|Earth sciences|Maine|Paleontology|Devonian|Paleozoic}}
References1. ^{{Cite web|url=http://fossilworks.org/cgi-bin/bridge.pl?last_taxon=%25%25taxon_no%25%25&quick_search=Tomhegan%2520Formation&action=quickSearch|title=Fossilworks: Gateway to the Paleobiology Database|website=fossilworks.org|access-date=2017-12-01}} {{Maine-geologic-formation-stub}} 2 : Devonian Maine|Devonian southern paleotemperate deposits |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。