Geological Specimen
| item | description | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. | GSJ F7505 | ||||||||
| Name | Annularia / トクサ類 | ||||||||
| Scientific name | Annularia radiatus | ||||||||
| Class | Pteridophyta, Sphenopsida / シダ植物門 トクサ綱 | ||||||||
| Stratum | Francis Creek Shales, Carbondale Formation | ||||||||
| Age | Caboniferous / 石炭紀 | ||||||||
| Location | Will Co., Illinois | ||||||||
| @id | https://gbank.gsj.jp/ld/resource/musee/F7505 | ||||||||
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