Acta Palaeontologica Polonica

On some Famennian Phacopinae (Trilobita) from the Holy Cross Mountains (Poland)

Halszka Osmólska

Acta Palaeontologica Polonica 08 (4), 1963: 495-519

The new Famenrtian triolobite species Trimerocephalus dianopsoides including the meraspid period is described. The mode of moulting in young and adult phacopids and phylogenetic relations of the genera Cryphops R. & E. Richter,
Trimerocephalus M'Coy and Dianops R. & E. Richter are discussed.

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