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[a-dinosaur-a-day]

Eoalulavis hoyasi

By José Carlos Cortés on @quetzalcuetzpalin-art​

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Name: Eoalulavis hoyasi

Name Meaning: Dawn Bastard Wing Bird

First Described: 1996

Described By: Sanz et al. 

Classification: Dinosauria, Theropoda, Neotheropoda, Averostra, Tetanurae, Orionides, Avetheropoda, Coelurosauria, Tyrannoraptora, Maniraptoriformes, Maniraptora, Pennaraptora, Paraves, Eumaniraptora, Averaptora, Avialae, Euavialae, Avebrevicauda, Pygostylia, Ornithothoraces, Enantiornithes

Eoalulavis was an Opposite Bird from Las Hoyas, Spain, living about 125 million years ago, in the Aptian age of the Early Cretaceous, and it is known from much of the skeleton as well as preserved soft tissue. Eoalulavis was about 9 centimeters long, with a wingspan greater than 20 centimeters - meaning it had extremely long wings, with the lower arm twice the length of first hand bones and much longer than the upper long. It also had well developed wing feathers, and a fercula suited for wing flapping, which all indicate that it was well built for flight. It had an hourglass shaped sternum, which potentially indicates it is known from a juvenile. Its stomach contained crustaceans, showing that it fed on marine life, foraging in or near the water and acting as shoreline generalists (given that it was, after all, only about the size of a finch). 

Sources:

Martyniuk, M. P. 2012. A Field Guide to Mesozoic Birds and other Winged Dinosaurs. Pan Aves; Vernon, New Jersey

https://en.wikipedia.org/wiki/Eoalulavis

Shout out goes to @lorenzogf!

[a-dinosaur-a-day]

“Newtonsaurus cambrensis”

By Henry Thomas on @raptorcivilization

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Name: “Newtonsaurus cambrensis”

Name Meaning: Newton Reptile

First Mentioned: 1999

Mentioned By: Welles vide Welles and Pickering 

Classification: Dinosauria, Theropoda

“Newtonsaurus” is a Theropod known from part of the jaws and teeth from the Rhaetic Beds of Wales, living in the Rhaetian age of the Late Triassic, sometime between 208 and 201 million years ago. It has not been officially described, and was first thought to be a theropod such as Megalosaurus, but this is unlikely given the time period in which it lived. Its form generally indicates that it probably comes from early derived theropods such as Liliensternus. An actual description will tell us more, but this is a theropod to watch out for, as it is one of the few known from the Triassic-Jurassic boundary. 

Sources:

http://theropoddatabase.com/Theropoda.htm#Newtonsauruscambrensis

https://en.wikipedia.org/wiki/Newtonsaurus

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