Image: Eurypterids of the Devonian Holland Quarry Shale of Ohio figure 42

Description: Eurypterids of the Devonian Holland Quarry Shale of Ohio. Fieldiana, Geology. Vol. 14, No. 5 (1961), Figure 42. Dorsal side of eleventh tergite of Pterygotus (Pterygotus) carmani, n. sp., paratype, PE5119; ✕ 2.2.
Title: Eurypterids of the Devonian Holland Quarry Shale of Ohio figure 42
Credit: archive.org
Author: Erik Norman Kjellesvig-Waering
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