Acta Palaeontologica Polonica

On two Ordovician polychaete jaw apparatuses

Zofia Kielan-Jaworowska

Acta Palaeontologica Polonica 06 (3), 1961: 237-259

Two Ordovician polychaete jaw apparatuses of a new pattern: Vistulella kozlowskii n. gen., n. sp. and Mochtyella cristata n. gen., n. sp., from the erratic boulders of Poland, are described and figured. Some questions of scolecodont
terminology are discussed.

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