Evolution

Archaeopteryx: The Chook-Like Dino



Named Archaeopteryx, which means “historical wing,” the scientific identify of this prehistoric chicken is Archaeopteryx lithographica. This fossil was the primary dinosaurs found that had feathers!

Origin of Location

The species lived through the Late Jurassic interval about 150 million years in the past (For more information. on the Jurassic interval click on this LINK). The primary specimen was found in 1861, simply 2 years after Charles Darwin revealed his work on The Origin of Species.

It lived in what’s now southern Germany and Portugal throughout a time the place an archipelago of tropical islands existed close to the equator.

Chook-Like Options

The most important of the Archaeopteryx would’ve been the scale of a raven or magpie. That they had jaws with sharp tooth (not like birds), 3 fingers with claws, an extended bony tail, hyperextensible second toes (killing claw), and feathers (like fashionable birds)!

The wings of Archaeopteryx have been rounded, quick, and asymmetrical which implies it may fly (flightless birds have symmetrical wings). It was capable of fly in cluttered environments together with timber and bushes which is what birds equivalent to crows and pheasants do.

Ancestry of Trendy Birds?

It seems that Archaeoptryx is not the ancestor of contemporary birds as we have now them immediately! As extra data and analysis got here out, scientists found that birds got here from the saurischian dinosaurs that are generally known as the “lizard-hipped” dinosaurs. The picture on the left exhibits you an image of what archaeopteryx might have regarded like whereas alive.

The image on the best is an image of Archaeornithura meemannae, the earliest chicken ancestor that lived through the Hauterivian stage of the Early Cretaceous epoch, about 131 million years in the past.

Archaeopteryx is a good instance of transitional fossils as a result of previous to discovering it, Darwin’s work (For extra data on him, click on this LINK) recommended it might exist and dinosaurs had been depicted as totally featherless as much as that time of discovery. (For extra data on the processes of evolution click on this LINK).

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Sources:

Chiappe, L. M., & Witmer, L. M. (2002). Mesozoic Birds: Above the Heads of Dinosaurs. California: College of California Press.

Chiappe, L. M. (2009, April 16). Downsized Dinosaurs: The Evolutionary Transition to Trendy Birds. Evolution: Training and Outreach, 2, 248-256. doi:https://evolution-outreach.biomedcentral.com/articles/10.1007/s12052-009-0133-4

Wellnhofer, P. (2004). “The Plumage of Archaeopteryx“. In Currie PJ, Koppelhus EB, Shugar MA, Wright JL (eds.). Feathered Dragons. Indiana College Press. pp. 282–300. ISBN978-0-253-34373-4.

Witmer, LM (2009). “Palaeontology: Feathered dinosaurs in a tangle”. Nature. 461 (7264): 601–2. Bibcode:2009Natur.461..601W. doi:10.1038/461601a. PMID19794481. S2CID205049989.

Yalden, D. W. (1984, September). What dimension was Archaeopteryx? Zoological Journal of the Linnean Society, 82 (1-2), 177-188. doi:https://tutorial.oup.com/zoolinnean/article-abstract/82/1-2/177/2661683?redirectedFrom=fulltext

Feathered Dinosaurs Characteristic: Archaeopteryx. (2012, June 21). In Paleontological Research of South Carolina. Retrieved from https://paleo-studies.tumblr.com/put up/25586040319/feathered-dinosaurs-feature-archaeopteryx

Jurassic Europe. (2020). In Q-Information. Retrieved from https://www.q-files.com/prehistoric/age-of-dinosaurs/jurassic-europe

Jurassic Interval. (2020). In Nationwide Geographic. Retrieved from https://www.nationalgeographic.com/science/prehistoric-world/jurassic/

Marshall, M. (2020). The evolution of Archaeopteryx is stranger than anybody imagined. In New Scientist. Retrieved from https://www.newscientist.com/article/mg24232322-200-the-evolution-of-archaeopteryx-is-stranger-than-anyone-imagined/

Information Workers. (2015). Archaeornithura meemannae: Earliest Identified Ancestor of Trendy Birds Found in China. In Sci-Information. Retrieved from http://www.sci-news.com/paleontology/science-archaeornithura-meemannae-bird-china-02774.html

Paleontology has helped us perceive the distinctive evolutionary historical past of birds. In UCMP Berkeley. Retrieved from https://ucmp.berkeley.edu/diapsids/birds/archaeopteryx.html

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