From the overlying Upper Member of the Los Azules Formation, conodonts of the A. tvaerensis Biozone and graptolites of the C. bicornis Biozone (Tie 97) have been recorded. A younger graptolite/conodont zonal tie is known from the Sierra de la Invernada Formation of the San Juan Precordillera ( Ortega et al. , 2007 ) where Amorphognathus superbus has been recorded from. 2022. 9. 16. · Discusses prebiotic chemistry and Earth's early environment, self-replicating and self-organizing systems, the theory of the RNA world and other possible precursor systems, and the origin of the genetic code Also focuses on early evolution of life, as revealed by new scientific techniques Journal information Editor-in-Chief Alan W. Schwartz. 2010. 12. 31. · All content in this area was uploaded by Antony Kyle Cooper on Nov 10, 2016 Content may be subject to copyright. Van der Walt et al 2010 - GIS biozone map of the Beaufort. 2020. 12. 16. · Clearance Coming Titles What's New International Branch Wheelers Books Australia Stock Image published by Biozone Learning Media UK Ltd (2012) ISBN 10: 1927173132 ISBN 13: 9781927173138 Amount of Used Softcover: 1 Seller: GlassFrogBooks (Hawthorne, CA, USA) Rating Vendor Rating: Book Description Biozone Learning Media UK Ltd, 2012. Status:.