Arthropods
Insects
Archosauromorphs
Newly named phytosaurs
Plesiosaurs
Newly named plesiosaurs
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Cimoliasaurus
''Cimoliasaurus'' was a plesiosaur that lived during the Late Cretaceous (Maastrichtian) of New Jersey. It grew up to long and weighed up to .
Etymology
The name is derived from the Greek , meaning "white chalk", and , meaning "lizard", in ...
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Late Cretaceous (
Maastrichtian
The Maastrichtian () is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from ...
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Navesink Formation
The Navesink Formation is a 66 to 70 mya greensand glauconitic marl and sand geological formation in New Jersey. It is known for its Cretaceous period fossil shell beds and dinosaur bones.
Description
The Navesink Formation, named after Navesin ...
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An
elasmosaurid
Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs. They had the longest necks of the plesiosaurs and existed from the Hauterivian to the Maastrichtian stages of the Cretaceous, and represented one of the two groups of p ...
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Discosaurus''
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Late Cretaceous
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A dubious elasmosaurid.
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References
1850s in paleontology
Paleontology
Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...