Acta Palaeontologica Polonica > Issues > Issue

Acta Palaeontologica Polonica 13 (1) 1968

Articles

Siliceous sponges from the Upper Cretaceous of Poland Part II. Monaxonia and Triaxonia

Helena Hurcewicz

Acta Palaeontologica Polonica 13 (1), 1968: 3-96

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Contributions to the Lower Carboniferous Cyrtosymbolinae (Trilobita)

Halszka Osmólska

Acta Palaeontologica Polonica 13 (1), 1968: 119-150

Abstract | Full text