Hallipterus (Stylonurus) excelsior. Restoration of the dorsal aspect. The carapace and the first pair of legs are taken from the two known specimens of the species. The ocular nodes and the visual areas are restored from the evidence of these specimens and from that of the congeners. The second to fifth pairs of legs are restored after S. cestrotus and the abdomen is left as in Beecher's restoration. About one-eighth natural size. The Eurypterida of New York. Volume 2. New York State Museum Memoir 14, plate 47 . 1912 13 The Eurypterida of New York plate 47

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