| 词条 | Tarrant Formation |
| 释义 |
| name = Tarrant Formation | image = | caption = | type = Geological formation | age = Middle Cenomanian | period = Cenomanian | prilithology = Calcareous sandstone | otherlithology = Siltstone, limestone, shale | namedfor = | namedby = | region = Texas | country = {{USA}} | coordinates = | unitof = Eagle Ford Group | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Tarrant Formation is a geologic formation that dates to the Middle Cenomanian stage of the Late Cretaceous. Paleobiota
Footnotes{{Portal|Earth sciences|Paleontology|||}}1. ^{{cite journal |last=Myers |first=Timothy S. |year=2010 |title=A new ornithocheirid pterosaur from the Upper Cretaceous (Cenomanian–Turonian) Eagle Ford Group of Texas |journal=Journal of Vertebrate Paleontology |volume=30 |issue=1 |pages=280–287 |doi=10.1080/02724630903413099 |url=http://pdfserve.informaworld.com/929241__918962831.pdf |format=pdf}} {{Texas-geologic-formation-stub}} 1 : Cretaceous geology of Texas |
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