During the Jurassic (200–145 million years ago [Ma]), New Zealand was mostly under the sea. Clockwise from top left: the bivalve Sakawairhynchia bartrumi (150 Ma); an ammonite, Lytoceras taharoaense (145 Ma); a snail imprint and its rubber cast, Poroa arata (220 Ma); lobster Mecochirus marwicki; belemnites Belemnopsis aucklandica (150 Ma); and the bivalve Camptonectes grandis.
These fossils are part of the GNS Science National Paleontological Collection.
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Photograph by Alastair McLean
Permission of GNS Science must be obtained before any use of this image.