# chondrichthyesweek otd ichthyosaur maryanning dinosaurfossils diamantinasaurus paleontology archosaur fossils dinosauriform climatechange extinction deeptime earthday paleoart metriorhynchus opthalmosaurus conceptart tyrannosaurus tyrannosaurusrex plushie dinosaurs skeleton snake eoconstrictor eocene messel openaccess yamaceratops evolutionarystudies zoology litoptern bolivia

Discovered in the Argentine foothills by a goatherd, Victoriano Herrera, in 1959, Herrerasaurus (~350kg (772lbs)lived ~231 MYA. A bi-pedal carnivore & originally thought to be a proto-dinosaur. Prof. Bittencourt suggest Herr. sits in a saurischian branch of its own.

9 31
2022-04-30

Bandringa was an ancient shark-relative found in the Mazon Creek concretions. The dominance of youngsters and egg cases suggest the area served as a nursery. What's more, arthropod remains are found in their stomachs.
https://t.co/OSHj0OEoF4

17 64
2022-04-29

in 1819 William Bullock began the 26-day auction of the entire contents of his London Museum, the Egyptian Hall on Piccadilly. Amongst the specimens to be sold was the skull found in 1811 by brother Joseph.

12 26
2022-04-29

Two new Homo erectus and co-ocurrence of two technologies? Skulls DAN5/P1 (A) & BSN12/P1 (B) & tools... check out the story on https://t.co/0Qf5opQAmx

9 27
2022-04-29



Not a dinosaur? It must have been a great surprise to find the skull of an ancient animal with very big teeth in PEI back in 1845! Sphenacodontids are non-mammalian synapsids, large terrestrial vertebrates that lived before the dinosaurs during the Permian Period.

10 34
2022-04-23

Enjoyed reading about the smallest sauropod known to science to be described from Australian fossils - at an estimated 4.2 Tonnes "Oliver" wasn't that small! Our blog has more: https://t.co/NYvugrDVEt

3 7
2022-04-23

In 1905, this ~20myo partial skeleton of Syndyoceras = collected in W Neb. It's ~2.5 ft tall w/ horns orig covered by keratinous sheath like antelope today. EH Barbour named the species "Syndyoceras cooki" to honor its discoverer Harold Cook. Illust.: Mark Marcuson

7 11
2022-04-22

Lewisuchus admixtus is an early dinosauriform from the lower Upper Triassic of Argentina. Recent discovery of 2 partial articulated skeletons provide significant novel information:
https://t.co/B9LJAwV8j9

8 18
2022-04-22

Eretmorhipis was an Early Triassic hupehsuchian. Not only did it have a stiff bony tube of a body formed from its ribs, but its still looks like a platypus’. It even had extremely small eyes and mechanoreceptors on its snout.

Art by Andrey Atuchin.

18 59
2022-04-22

We face unprecedented rates of and The humble foram is one of the most abundant micro in the world, and survivor of multiple mass extinctions. They whisper stories of climate change and environments through

3 8
2022-04-22

for a baby rex; 1m tall and standing next to a t-posing cosplayer (and the silhouette of an adult ). I'd like to make a life-sized of it at some point (hence the simple colour pattern).

5 43
2022-04-15

Many thanks again for the hospitality ! Here is a little preview of our models. The thalattosaur Edennasaurus & the basal? diapsid Drepanosaurus both bizarre animals are from the Norian of Lombardy (Italy). More soon!

16 110
2022-04-09

My afternoon is all about creating sauropod so in honour of that, here's a suite of sauropodomorphoramas featuring classic taxa for Brontosaurus, Giraffatitan, Plateosaurus, and Diplodocus.

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2022-04-08

For this a beautiful of the fischeri from the of Germany
Collections of
From the
Georgalis, Rabi, Smith 2021. Swiss Journal of Palaeontology 140:18
https://t.co/FFcgPGnbZz

81 337
2022-04-08

This kind of blew up.

Anyway, check out my SoundCloud:

(Disclaimer: not really mine nor really a SoundCloud but it's a really neat account with more great fossils and excellent posts!)

1 5
2022-04-02

Happy everyone!
Today we celebrate the evolution of my Spinosaurus art, I decided!
Rejoice!

4 18
2022-04-02

🇧🇴Three photos of a beautiful 13 million-year-old lower jaw of the Llullataruca shockeyi from (1) as discovered (by our geologist!); (2) after extraction; and (3) after preparation, as shown in the 2018 JVP article by et al.

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2022-04-01