Piece, very well preserved, about ± 10.5 × 10 cms. The trilobite measures ± 6.4 cms. In this period it is very difficult to find trilobites by the type of rock in which they are.
Rochester Shale Middle Silurian
Middleport, N. York (USA)
Piece, very well preserved, about ± 10.5 × 10 cms. The trilobite measures ± 6.4 cms. In this period it is very difficult to find trilobites by the type of rock in which they are.
Rochester Shale Middle Silurian
Middleport, N. York (USA)