Acta Palaeontologica Polonica 23 (4) 1978


Preface

Preface

Adam Urbanek

Acta Palaeontologica Polonica 23 (4), 1978: 413-414

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Articles

Contrasting modes of construction of retiolite-type rhabdosomes

Denis E.B. Bates and Nancy H. Kirk

Acta Palaeontologica Polonica 23 (4), 1978: 427-448

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A contribution toward understanding the relative integration of graptolite colonies

William B.N. Berry

Acta Palaeontologica Polonica 23 (4), 1978: 449-462

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Discoveries on graptolites by X-ray studies

Merete Bjerreskov

Acta Palaeontologica Polonica 23 (4), 1978: 463-471

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The nature and mode of life of the graptolite zooid with reference to secretion of the cortex

Peter R. Crowther

Acta Palaeontologica Polonica 23 (4), 1978: 473-479

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The affinities of Isograptus, Glossograptus, Cryptograptus, Corynoides, and allied graptolites

Stanley C. Finney

Acta Palaeontologica Polonica 23 (4), 1978: 481-495

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Late graptoloid faunas and the problem of graptoloid extinction

Hermann Jaeger

Acta Palaeontologica Polonica 23 (4), 1978: 497-521

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On the bathymetric distribution of graptolites

Dimitri L. Kaljo

Acta Palaeontologica Polonica 23 (4), 1978: 523-531

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Mode of life of graptolites

Nancy H. Kirk

Acta Palaeontologica Polonica 23 (4), 1978: 533-555

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Tuboid graptolites from erratic boulders of Poland

Piotr Mierzejewski

Acta Palaeontologica Polonica 23 (4), 1978: 557-575

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Towards a bibliography and index of graptolites

Douglas Palmer

Acta Palaeontologica Polonica 23 (4), 1978: 577-584

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Major aspects of evolution of the graptolites

R.B. Rickards

Acta Palaeontologica Polonica 23 (4), 1978: 585-594

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Significance of ultrastructural studies for graptolite research

Adam Urbanek

Acta Palaeontologica Polonica 23 (4), 1978: 595-629

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Some remarks on colony organization in graptolites

Adam Urbanek

Acta Palaeontologica Polonica 23 (4), 1978: 631-635

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The ultrastructure of ribbon-like deposits over the thecae in Orthograptus gracilis Roemer

Adam Urbanek and Grażyna Mierzejewska

Acta Palaeontologica Polonica 23 (4), 1978: 637-642

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In memoriam

Dedication

Zofia Kielan-Jaworowska and Adam Urbanek

Acta Palaeontologica Polonica 23 (4), 1978: 415-425

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