Adelophthalmus is a genus of prehistoric eurypterid of the family Adelophthalmidae. Adelophthalmus is distinguishable by its elongate body, with spurs on the segments; its walking legs, which lack spines; and its long styliform (pointed) telson. ... Found on http://en.wikipedia.org/wiki/Adelophthalmus
Adelophthalmus is a genus of prehistoric eurypterid of the family Adelophthalmidae. Adelophthalmus is distinguishable by its elongate body, with spurs on the segments; its walking legs, which lack spines; and its long styliform (pointed) telson. ...