Read Edit View history 始新统 shǐxīntǒng Eocene system Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 始新统/始新統 · shǐxīntǒng · Eocene system 2026/03/04 始新统 / 始新統 shǐxīntǒng Eocene system Eocene system (geology) 始新统地层含有丰富的古生物化石。 place name created sense Mar 4, 2026, 02:25 AM