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Acritarchs and Tasmanitids from the Mianwali and Tredian Formations (Triassic) of the Salt and Surghar Ranges, West Pakistan

W. A. S. Sarjeant

Ammonoid (R) Evolution at the Permian-Triassic Boundary

J. Wiedmann

Aspects of the Lower Triassic (Scythian) Stage

Bernhard Kummel

Biostratigraphy of Triassic Deposits of Svalbard

M. V. Korchinskaya

Brachiopods and Permian Correlations

R. E. Grant, G. A. Cooper

The Contrasting Plant Assemblages from Permian and Triassic Deposits in Southern Continents

J. M. Schopf

Dating and Correlating the Permian of the Glass Mountains in Texas

G. A. Cooper, R. E. Grant

The Distribution and Formation of Permian-Triassic Red Beds

B. Waugh

The Earliest Marine Triassic Rocks: Their Definition, Ammonoid Fauna, Distribution and Relationship to Underlying Formations

E. T. Tozer

The Echinoderms and Permian-Triassic Time

Porter M. Kier

Editor’s Preface

A. Logan, L. V. Hills

Fishes and the Permian-Triassic Boundary

Bobb Schaeffer

Floral and Faunal Changes in Non-Marine Facies at the Permian-Triassic Boundary, U.S.S.R.

G. P. Radczenko, A. A. Lyuber, E. M. Mishina, I. Yu. Neustrueva, E. K. Obonitskaya, V. G. Ochev, A. G. Ponomarenko, G. M. Romanovskaya, L. Ya. Saidakovsky, I. S. Spasskaya

Floral Modifications at the Permian-Triassic Boundary in Australia

B. E. Balme, R. J. Helby

The Geological Sequence and the Permian-Triassic Boundary in Australia and Eastern New Guinea

J. M. Dickins

Geologic Events During Permian-Triassic Time Along the Pacific Margin of the United States

N. J. Silberling

The Kungurian and Ufimian Stages of the Priurals, U.S.S.R.

V. P. Gorsky, E. A. Guseva

La Limite Permien-Trias Sur La Plate-Forme Saharienne (Algerie, Tunisie, Libye)

G. Busson, P. F. Burollet

Late Permian and Early Triassic Conodont Faunas

W. C. Sweet

The Main Relationships Between the Changes in Marine Fauna at the Close of the Permian and the Beginning of the Triassic

A. S. Dagis, V. I. Ustritsky

Mass Biotal Extinctions, World Climate Changes, and Galactic Motions: Possible Interrelations

A. A. Meyerhoff

North Atlantic Rifting in Relation to Permian-Triassic Salt Deposition

W. S. Olson, R. J. Leyden

The Permian-Triassic Boundary: A Crisis for Bivalves?

K. Nakazawa, B. Runnegar

The Permian-Triassic Boundary and its Relation to the Paleophyte-Mesophyte Floral Boundary

S. V. Meyen

The Permian-Triassic Boundary Beds in Central Tethys

Bernhard Kummel, Curt Teichert

The Permian-Triassic Boundary in New Zealand and New Caledonia and its Relationship to World Climatic Changes and Extinction of Permian Life

J. B. Waterhouse

Permian-Triassic Boundary in the Canadian Arctic Archipelago

W. W. Nassichuk, R. Thorsteinsson, E. T. Tozer

Permian-Triassic Boundary in the Eastern Great Basin Area

H. J. Bissell

The Permian-Triassic Boundary in the Eastern Part of the USSR

T. M. Okuneva, B. S. Abramov, V. N. Andrianov, Yu. V. Arkhipov, Yu. M. Bytschkov, I. V. Bury, V. F. Vosin, V. M. Zavadovsky, A. V. Korobitsyn, V. I. Korostelyov

Permian-Triassic Boundary in the Kap Stosch Area, East Greenland

Curt Teichert, Bernhard Kummel

Permian-Triassic Boundary in the Middle Rocky Mountains

Donald W. Boyd, Edwin K. Maughan

The Permian-Triassic Boundary in the Southern Alps (Italy)

R. Assereto, N. Fantini Sestini, A. Bosellini, W. C. Sweet

The Permian-Triassic Boundary in Transcaucasia

K. O. Rostovtsev, N. R. Azaryan

The Permian-Triassic Boundary on the Russian Platform

I. J. Lapkin, G. I. Blom, N. V. Grigoryev, F. I. Entsova, A. K. Zamerenov, I. Z. Kalantar, Y. L. Kisnerius, D. A. Kuchtinov, E. M. Lutkevich, E. V. Movshovich, E. I. Sokolova, B. P. Sterlin, P. I. Suveizdis, V. P. Tverdochlebov

Permian-Triassic Radiometric Time Scale

Philip O. Banks

Permian-Triassic Relationships and Faunal Changes in the Eastern Tethys

K. Kanmera, K. Nakazawa

The Permian and Triassic Systems and their Mutual Boundary

A. Logan, L. V. Hills

Permian Climate

V. I. Ustritsky

Permian Stage Names

W. M. Furnish

The Permian System in the U.S.S.R.

D. L. Stepanov

Phanerozoic Biotic Crisis

A. Lee McAlester

Problems of Upper Permian and Triassic Stratigraphy on the Russian Platform, in the Light of Paleomagnetic, Paleontological and Lithostratigraphic Evidence

N. N. Forsh, A. N. Khramov, E. A. Molostovsky

Provinciality and Diversity Across the Permian-Triassic Boundary

J. W. Valentine, E. M. Moores

A Review of Late Permian and Early Triassic Biostratigraphy in the British Isles

J. Pattison, D. B. Smith, G. Warrington

A Review of Permian and Triassic Paleomagnetic Data With Respect to Paleogeographic Conditions at, and the Location of, the Permian-Triassic Boundary

A. E. M. Nairn, D. N. Peterson

Smaller Protistan Evidence and Explanation of the Permian-Triassic Crisis

Helen Tappan, A. R. Loeblich Jr.

Tetrapods and the Permian-Triassic Transition

E. H. Colbert

The Triassic System in the U.S.S.R.

L. D. Kiparisova, T. M. Okuneva, A. N. Oleynikov

Upper Paleozoic and Lower Mesozoic Paleogeography, and Paleoclimatological and Tectonic Events in South America

A. C. Rocha-Campos

Upper Permian and Triassic Deposits of the Caspian (Prikaspiyskaya) Depression

E. I. Sokolova, V. V. Lipatova, N. N. Starozhilova, A. G. Schleifer

Upper Permian Fusulininan Zones

R. Toriyama

The Upper Permian of Western Europe — A Palynological Approach to Chronostratigraphy

H. Visscher

The Very Last Moment of the Paleozoic Era

Norman D. Newell

The Vicissitudes of the Gastropods During the Interval of Guadalupian-Ladinian Time

R. L. Batten