The Katiki Formation is a Late Cretaceous (Campanian to Maastrichtian, or Haumurian in the regional stratigraphy) geologic formation of the South Island of New Zealand.Katiki Formation in the Paleobiology Database Plesiosaur remains of Kaiwhekea katiki, named after the formation, are among the fossils that have been recovered from the deltaic siltstones.
Description The Katiki Formation was defined by McKay in 1887 and comprises about of gently north to northeast dipping and generally massive, dark grey, indurated, sandy siltstones. The Katiki Formation overlies more proximal marine sandstones of the Herbert Formation and, below that, non-marine quartzose sandy to pebbly coal measures of the Shag Point Group.Shag Point in the Paleobiology Database
Fossil content Belemnites Dimitobelus (Dimitocamax) hectori Reptiles Mosasauridae indet. Elasmosauridae Kaiwhekea katikiCruickshank & Fordyce, 2002 Dinophyceae Gonyaulacaceae Cribroperidinium edwardsii Peridiniaceae Chatangiella campbellensis Palaeocystodinium granulatum
See also Plesiosaur stratigraphic distribution South Polar region of the Cretaceous Conway Formation Tahora Formation
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