PTERYGOTIDS  4
Pterygotus waylandsmithi
Caster & Kjellesvig-Waering
ABOVE: Carapace of the Harris Hill pterygotid, from the Harris Hill Member, lower Vernon Formation of the Salina Group. Just south of NY 441 west of the intersection with NY 250 east of Rochester, N. Y.
ABOVE: Carapace of P. waylandsmithi shown via two scanner exposures.  From the Downing Brook Member of the Vernon Formation, Salina Group, Central New York (Ciurca Collection).
Eurypterids.net
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LEFT: Two scanner views of a pterygotid cara- pace found in 1995.  Pittsford "Black Shale" Member of the lower Vernon Formation (Salina Group) at Pittsford, New York.