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Early Cretaceous

Index Early Cretaceous

The Early Cretaceous/Middle Cretaceous (geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous. [1]

11 relations: Carcharodontosauridae, Chronostratigraphy, Coelurosauria, Cretaceous, Dinosaur, Flowering plant, Geochronology, Geological period, Late Jurassic, Psittacosaurus, Spinosauridae.

Carcharodontosauridae

Carcharodontosaurids (from the Greek καρχαροδοντόσαυρος, carcharodontósauros: "shark-toothed lizards") were a group of carnivorous theropod dinosaurs.

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Chronostratigraphy

Chronostratigraphy is the branch of stratigraphy that studies the age of rock strata in relation to time.

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Coelurosauria

Coelurosauria (from Greek, meaning "hollow tailed lizards") is the clade containing all theropod dinosaurs more closely related to birds than to carnosaurs. Coelurosauria is a subgroup of theropod dinosaurs that includes compsognathids, tyrannosaurs, ornithomimosaurs, and maniraptorans; Maniraptora includes birds, the only dinosaur group alive today. Most feathered dinosaurs discovered so far have been coelurosaurs. Philip J. Currie considers it probable that all coelurosaurs were feathered. In the past, Coelurosauria was used to refer to all small theropods, this classification has since been abolished.

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Cretaceous

The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.

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Dinosaur

Dinosaurs are a diverse group of reptiles of the clade Dinosauria.

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Flowering plant

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approximately 13,164 known genera and c. 295,383 known species.

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Geochronology

Geochronology is the science of determining the age of rocks, fossils, and sediments using signatures inherent in the rocks themselves.

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Geological period

A geological period is one of several subdivisions of geologic time enabling cross-referencing of rocks and geologic events from place to place.

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Late Jurassic

The Late Jurassic is the third epoch of the Jurassic period, and it spans the geologic time from 163.5 ± 1.0 to 145.0 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic strata.

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Psittacosaurus

Psittacosaurus ("parrot lizard") is a genus of extinct ceratopsian dinosaur from the Early Cretaceous of what is now Asia, existing between 126 and 101 million years ago.

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Spinosauridae

Spinosauridae (meaning 'spined lizards') is a family of megalosauroidean theropod dinosaurs.

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Redirects here:

Early Cretaceous epoch, Early Cretaceous period, Lower Cretaceous, Lower Cretaceous Epoch, Lower Cretaceous period, The Early Cretaceous.

References

[1] https://en.wikipedia.org/wiki/Early_Cretaceous

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