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Trias Trias muộn Trias sớm Trias giữa Trias (chi lan) Triassic Triaspis glaucophylla Trias picta Triaspis macropteron TriaspisTài liệu tham khảo
WikiPedia: Trias giữa http://vnexpress.net/tin-tuc/thoi-su/phat-hien-hoa... http://www.stratigraphy.org/ICSchart/ChronostratCh... http://www.stratigraphy.org/geowhen/stages/Middle_... http://www.vast.ac.vn/tin-tuc-su-kien/tin-khoa-hoc... http://vnmn.ac.vn/vi/news.php?cat=21&id=1077 https://web.archive.org/web/20150728001853/http://... https://web.archive.org/web/20160303100048/http://...