Lorelai Gilmore's father is unshown on the show, and his name remains unknown.
Pliosauroidea is an extinct clade of marine reptiles .. extinct. extinct. clade. clade. marine. Marine ( ocean ). Pliosauroids , also commonly known as pliosaurs , are known from the Jurassic and Cretaceous periods .. Jurassic. Jurassic. Cretaceous. Cretaceous. periods. Period ( geology ). The pliosauroids were short-necked plesiosaurs with large heads and massive toothed jaws .. These swimming reptiles were not dinosaurs , but distant cousins of modern turtles .. They originally included only members of the family Pliosauridae , of the order Plesiosauria , but several other genera and families are now also included , the number and details of which vary according to the classification used .. genera. Genus. Pliosauridae. Pliosauridae. Plesiosauria. Plesiosauria. The distinguishing characteristics are a short neck and an elongated head , with larger hind flippers compared to the fore flippers , vice versa of the plesiosaurs .. flippers. flipper ( anatomy ). They were carnivorous and their long and powerful jaws carried many sharp , conical teeth .. carnivorous. Carnivore. Pliosaurs range from 4 to 15 metres and more in length .. Their prey may have included fish , sharks , ichthyosaurs , dinosaurs and other plesiosaurs .. fish. fish. sharks. sharks. The largest known species are Kronosaurus and Pliosaurus macromerus ; other well known genera include Rhomaleosaurus , Peloneustes , and Macroplata .. genera. Genus. Kronosaurus. Kronosaurus. Pliosaurus macromerus. Pliosaurus macromerus. Rhomaleosaurus. Rhomaleosaurus. Peloneustes. Peloneustes. Macroplata. Macroplata. Fossil specimens have been found in Africa , Australia , China , Europe , North America and South America .. Africa. Africa. Australia. Australia. China. China. Europe. Europe. North America. North America. South America. South America. Many very early -LRB- from the Early Jurassic and possibly Rhaetian -LRB- Latest Triassic -RRB- -RRB- primitive pliosauroids were very like plesiosauroids in appearance and , indeed , used to be included in the family Plesiosauridae .. Jurassic. Jurassic. Early Jurassic. Early Jurassic. Rhaetian. Rhaetian. Triassic. Triassic. Plesiosauridae. Plesiosauridae