志留纪 zhìliújì Silurian Period Definitions Defs Origin Strokes Stroke Words Sentences Sents 志留纪 志留紀 zhìliújì Silurian Period The third period of the Paleozoic Era, dating from roughly 444 to 419 million years ago; named after the Silures, an ancient tribe in Wales Frequency Written text 0.043 per million Cross-References See 古生代 gǔshēngdài奥陶纪 àotáojìReferenced by 志留系 zhìliúxì Sources Frequency data BCC Corpus (BLCU)
志留纪 志留紀 zhìliújì Silurian Period The third period of the Paleozoic Era, dating from roughly 444 to 419 million years ago; named after the Silures, an ancient tribe in Wales Frequency Written text 0.043 per million Cross-References See 古生代 gǔshēngdài奥陶纪 àotáojìReferenced by 志留系 zhìliúxì Sources Frequency data BCC Corpus (BLCU)
