Rugotheca typica is a species of problematic tubular organism of the Cambrian. The species has been reported from China and Iran.[1]

References[edit]

  1. ^ "A RESTUDY OF SOME EARLY CAMBRIAN SMALL SHELLY FOSSILS FROM GANLUO AND EMEI, SICHUAN, SOUTHWEST CHINA--《Acta Micropalaeontologica Sinica》1989年04期". en.cnki.com.cn. Retrieved 2017-12-07.