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SOUTH AFRICAN

Journal OF Geology Transactions of the Geological Society of

Contents Volume 123 Number 2 June 2020

ISSN 1012-0750 Print version ISSN 1996-8590 Online version

Preface R.M.H. Smith ...... 129-130

Introduction to the tetrapod biozonation of the R.M.H. Smith, B.S. Rubidge, M.O. Day and J. Botha ...... 131-140

Biostratigraphy of the Eodicynodon Assemblage Zone (, Karoo Supergroup), South Africa B.S. Rubidge and M.O. Day ...... 141-148

Biostratigraphy of the Tapinocephalus Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa M.O. Day and B.S. Rubidge ...... 149-164

Biostratigraphy of the Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa M.O. Day and R.M.H. Smith ...... 165-180

Biostratigraphy of the Cistecephalus Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa R.M.H. Smith ...... 181-190

Biostratigraphy of the Daptocephalus Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa P. A. Viglietti ...... 191-206

Biostratigraphy of the declivis Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa J. Botha and R.M.H. Smith ...... 207-216

Biostratigraphy of the Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa P.J. Hancox, J. Neveling and B.S. Rubidge ...... 217-238

Biostratigraphy of the Scalenodontoides Assemblage Zone (Stormberg Group, Karoo Supergroup), South Africa P.A. Viglietti, B.W. McPhee, E.M. Bordy, L. Sciscio, P.M. Barrett, R.B.J. Benson, S. Wills, F. Tolchard and J.N. Choiniere ...... 239-248

Biostratigraphy of the Assemblage Zone (Stormberg Group, Karoo Supergroup), South Africa P.A. Viglietti, B.W. McPhee, E.M. Bordy, L. Sciscio, P.M. Barrett, R.B.J. Benson, S. Wills, K.E.J. Chapelle, K.N. Dollman, C. Mdekazi and J.N. Choiniere ...... 249-262

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