Keywords: Scolecodont ramphoprion.png This is a scolecodont jaw of polychaete worm of extinct family Ramphoprionidae Age Ordovician ca 450 Million years Length of the specimen is approximately 1 mm The specimen is housed at the http //www gi ee Institute of Geology at Tallinn University of Technology Author of the SEM microphotograph Olle Hints originally uploaded to the English language Wikipedia by Kuutobine http //en wikipedia org/w/index php title Special Log page File Scolecodont_ramphoprion png file log 2006-11-07 Olle Hints public domain Kuutobine November 2006 Microfossils Scolecodonts Ramphoprion Annelida fossils |