The top 10 points leaders on the 2015 NTPGA Players Tour will earn exemptions into the 45th Texas State Open at The Lakes at Castle Hills in Lewisville, Texas, on Tuesday, July 28 - Friday, July 31. The NTPGA Players Tour WILL NOT adopt the USGA Rules of Golf policy on grooves for 2015.2015 Players Tour Information.he Northern Texas PGA annually conducts the NTPGA Players Tour. In 2015, the NTPGA Players Tour will feature five tournaments throughout the month of February.
1 A horseshoe crab's blood has a blue to blue-green color when exposed to air. 2  The blood is blue because it contains a copper-based respiratory pigment called hemocyanin. ( 3 See also types of blood .).
Horseshoe crabs donât have antennae or jaws and have six pairs of legs. Horseshoe crabs are in a class of their own: Merastomata, which means âmouth surrounded by legs.Horseshoe crab fossils, similar in form to the ones you see in estuaries today, are found in rocks over 450 million years old.ntroduction Atlantic horseshoe crabs are one of the many important organisms living in estuaries along the East and Gulf coasts of the United States. They are abundant from Virginia to New Jersey with the largest population of spawning horseshoe crabs found in the Delaware Bay, site of the Delaware NERR.