Early Land Plants Today: Index of Liverworts & Hornworts 2011 - 2012 Author Söderström, Lars Department of Biology, Norwegian University of Science and Technology, N- 7491, Trondheim, Norway; lars. soderstrom @ ntnu. no Author Hagborg, Anders Department of Research and Education, The Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605 - 2496, U. S. A.; mvonkonrat @ fieldmuseum. org, hagborg @ pobox. com Author Konrat, Matt Von Department of Research and Education, The Field Museum, 1400 South Lake Shore Drive, Chicago, IL 60605 - 2496, U. S. A.; mvonkonrat @ fieldmuseum. org, hagborg @ pobox. com text Phytotaxa 2014 2014-05-22 170 2 61 85 http://dx.doi.org/10.11646/phytotaxa.170.2.1 journal article 3670 10.11646/phytotaxa.170.2.1 0efa800a-ee0f-48a7-881b-910b67f170c1 1179-3163 4779611 † Riccardiothallus devonicus C.Q.Guo, D.Edwards, P.C.Wu, Duckett, Hueber et C.S.Li, Rev. Palaeobot. Palynol. 176–177: 37, 2012 (see Guo et al. 2012 ). TYPE : “ Holotype : Specimen CBYn9004008 (Plate I, 2). Repository: The specimen is deposited in the Museum of Plant History , Institute of Botany , Chinese Academy of Sciences. Type locality: Zhichang Village , Gumu Town , Wenshan District , Yunnan Province , China . Stratum and age: Posongchong Formation, Early Devonian (Pragian, 407–411 Ma)” .