Lower Jurassic

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Lower Jurassic

[′lō·ər ju̇′ras·ik]
(geology)
The earliest epoch of the Jurassic period of geologic time, extending from about 185- to 170,000,000 years ago.
References in periodicals archive ?
com/science/article/pii/S0012825216301271) some examples  of these have been found from the Early Jurassic epoch (around 190 million-years-old).
Two-legged meat-eating dinosaurs from the Early Jurassic era tended to be quite small.
5 metre (11ft) pregnant ichthyosaur lived at the time of the earliest dinosaurs during the early Jurassic period.
bel] positive excursion represents one of the most significant palaeoclimatic features of the Early Jurassic, documenting one of the most important cooling intervals of the Mesozoic.
2) An Eastern Andes province that includes Early Jurassic magmatism in the Santander and San Lucas Massif and the northern termination of the Central Cordillera (Goldsmith et al.
It also comes from a location previously unrecorded for ichthyosaurs, so this adds to our understanding of the geographical distribution of ichthyosaurs during the early jurassic, a time when the UK was a series of islands.
Samples from Datta Formation of Early Jurassic period, Nammal Gorge, Salt Range, Pakistan were palynologically processed which revealed the occurrence of very complex and diverse palynoflora including a large number of trilete spores together with the other microfloral groups i.
Originally known only from two isolated postcanine teeth from the RhaetoLiassic of southern Germany (Hennig 1922), Oligokyphus has subsequently been recorded from Early Jurassic strata in southwestern Britain (Kuhne 1956), Arizona (Sues 1985), and Yunnan (China; Luo and Sun 1994).
Because the fossil's nuclei closely resemble those of the modern cinnamon fern, Osmundastrum cinnamomeum, the researchers suggest that the plants' genomes probably haven't changed much since Early Jurassic dinosaurs prowled the planet.
Blue Lias is a geological formation of limestone and shale layers laid down in early Jurassic times between 195 and 200 million years ago.
which is related to the global oceanic anoxic event during the peak of transgression in the Early Jurassic [17].
It's a theme that is repeated throughout the show; in order to stop it becoming simply a dino parade, we look on as Stegosaurus and Allosaurus stalk each other in the early Jurassic period, and as two Torosauruses face off in a battle to be king of the pack.

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