Acta Palaeontologica Polonica 23 (4) 1978
Preface
Articles
Contrasting modes of construction of retiolite-type rhabdosomes
Acta Palaeontologica Polonica 23 (4), 1978: 427-448
A contribution toward understanding the relative integration of graptolite colonies
Acta Palaeontologica Polonica 23 (4), 1978: 449-462
Discoveries on graptolites by X-ray studies
Acta Palaeontologica Polonica 23 (4), 1978: 463-471
The nature and mode of life of the graptolite zooid with reference to secretion of the cortex
Acta Palaeontologica Polonica 23 (4), 1978: 473-479
The affinities of Isograptus, Glossograptus, Cryptograptus, Corynoides, and allied graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 481-495
Late graptoloid faunas and the problem of graptoloid extinction
Acta Palaeontologica Polonica 23 (4), 1978: 497-521
On the bathymetric distribution of graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 523-531
Mode of life of graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 533-555
Tuboid graptolites from erratic boulders of Poland
Acta Palaeontologica Polonica 23 (4), 1978: 557-575
Towards a bibliography and index of graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 577-584
Major aspects of evolution of the graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 585-594
Significance of ultrastructural studies for graptolite research
Acta Palaeontologica Polonica 23 (4), 1978: 595-629
Some remarks on colony organization in graptolites
Acta Palaeontologica Polonica 23 (4), 1978: 631-635
The ultrastructure of ribbon-like deposits over the thecae in Orthograptus gracilis Roemer
Acta Palaeontologica Polonica 23 (4), 1978: 637-642
