The job of the pivot table is to summarize your source data table based on the criteria you specify in the filter fields (Report Filter, Column Labels, and Row Labels). You can think of it as a very advanced way to arrange and filter your data.
The Limulidae are the only recent family of the order Xiphosura, and contain all four living species of horseshoe crabs: 1  Carcinoscorpius rotundicauda, the mangrove horseshoe crab, found in Southeast Asia. 2  Limulus polyphemus, the Atlantic horseshoe crab, found along the American Atlantic coast and in the Gulf of Mexico.
Thomisidae is a family of spiders. The common name crab spider is often applied to species in this family, but is also applied loosely to many other species of spiders.Among the Thomisidae crab spider refers most often to the familiar species of flower crab spiders, though not all members of the family are limited to ambush hunting in flowers.owever, some members of the Sparassidae are called giant crab spiders, Selenopidae are called wall crab spiders, and various members of Sicariidae are sometimes called six-eyed crab spiders. Some unrelated orb-weaver spider species such as Gasteracantha cancriformis also are commonly called crab spiders.