| 词条 | Akaiwa Formation |
| 释义 |
| name = Akaiwa Formation | image = | caption = | type = Geological formation | age = Early Cretaceous | period = Hauterivian | prilithology = | otherlithology = | namedfor = | namedby = | region = | country = Japan | coordinates = | unitof = Tetori Group | subunits = | underlies = Kitadani Formation | overlies = Kuwajima Formation | thickness = | extent = | area = | map = | map_caption = }} The Akaiwa Formation is a Mesozoic geologic formation in central Honshu, Japan. Fossil ornithopod tracks have been reported from the formation.[1] See also{{Portal|Earth sciences|Paleontology|Dinosaurs||}}
Footnotes1. ^Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607. References
1 : Lower Cretaceous Series of Asia |
| 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。