Hermit crab on physical characteristics, genetic information, and combined data, support the longstanding hypothesis that the king crabs in the family Lithodidae are derived hermit crabs and should be classified as a family within Paguroidea. Other researchers have challenged this, asserting that the Lithodidae (king crabs) should be placed with the Hapalogastridae in a separate superfamily Lithodoidea. Six families are formally recognized in the superfamily Paguroidea, containing around 1100 species in total in 120 genera. The fossil record of "in situ" hermit crabs using gastropod shells stretches back to the Late Cretaceous. Before that time, at least some hermit crabs used ammonites'
Vernon Fiddler the Stars Foundation and is also helping out the Dallas Stars with any work they ask of him. As well, Fiddler is helping coach his son’s hockey team. Throughout his NHL career, Fiddler has been involved with the Leukemia and Lymphoma Society as a way to honour his sister who died from leukemia. Vernon and his wife, Chrissy, created a childrens foundation called "Fidd's Kids." Fiddler created the foundation while playing for the Dallas Stars. Through a partnership with the Make-A-Wish Foundation of North Texas, the foundation donates 12 tickets to each home game to local children. In 2015, Fiddler