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.
A hermit crab is a part of a superfamily; it itself is a category and not a species. The most specific we can get to is order: Kingdom: Animalia Phylum: Arthropoda Cla â¦ ss: Malacostraca Order: Decapoda.2 people found this useful.he term crab is  also used to describe other creatures with superficial similarities  to true crabs, e.g., crustaceans like the hermit crab or horseshoe  crab. There is also a parasite called a crab louse; body lice are  informally referred to as crabs.