Evolution

Archaeopteryx: The Fowl-Like Dino



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

Origin of Location

The species lived in the course of 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.

Fowl-Like Options

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

The wings of Archaeopteryx have been rounded, brief, and asymmetrical which suggests it might fly (flightless birds have symmetrical wings). It was in a position to fly in cluttered environments together with bushes and bushes which is what birds akin to crows and pheasants do.

Ancestry of Trendy Birds?

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

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

Archaeopteryx is a superb instance of transitional fossils as a result of previous to discovering it, Darwin’s work (For extra info on him, click on this LINK) instructed it might exist and dinosaurs had been depicted as totally featherless as much as that time of discovery. (For extra info 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: Schooling 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 Function: Archaeopteryx. (2012, June 21). In Paleontological Research of South Carolina. Retrieved from https://paleo-studies.tumblr.com/publish/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 Employees. (2015). Archaeornithura meemannae: Earliest Recognized 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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