TY - JOUR T1 - The horseshoe crab, Limulus polyphemus: 200 million years of existence, 100 years of study JF - Reviews in Fisheries ScienceReviews in Fisheries Science Y1 - 2002 A1 - Walls, E.A. A1 - Berkson, J. A1 - Smith, S.A. SP - 39 EP - 73 VL - 10 SN - 1064-1262 ER -