Term
J-GLOBAL ID：200906049026470396
Ordovician Period
Subject category：
Subject category
Subject category of the technical term.
層位学・地史学・古地理学
Sciterm (2)：
Sciterm
Terms compiled by the various academic associations and the Ministry of Education, Culture, Sports, Science and Technology.
- 地学編 / オルドビス紀 / Ordovician Period
- 原子力工学編 / オルドビス紀 / Ordovician period
Broader terms (1)：
Narrower terms (2)：
Thsaurus map：
Thesaurus Map
(Notice) Synonyms included only in Sciterm are not displayed
Return to Previous Page
