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Lycosidae araña lobo
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dinophotography · 23 days
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dinophotography · 28 days
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Borealopelta
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dinophotography · 1 month
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Que tierna tortuga 🐢
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Pig-nosed Turtle (Carettochelys insculpta), juvenile, family Carettochelyidae, found in northern Australia and southern New Guinea
ENDANGERED.
These turtles have no scales, and thus have a leathery shell. Its shell is made of bone, however, unlike "softshell turtles" in the family Trionychidae.
photograph by Tara Biron
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dinophotography · 2 months
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Un metriacanthosaurus ansioso por beber un poco de agua en un caluroso día
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dinophotography · 2 months
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Malaysian Fire Snail (Platymma tweediei), family Chronidae, found in 2 montane forests of Malaysia
photographs by @maxs6461 
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dinophotography · 2 months
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Pokémon Day
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dinophotography · 2 months
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Ouranosaurus
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Acrocanthosaurus
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Sidersaura marae Lerzo et al., 2024 (new genus and species)
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(Partial skull of Sidersaura marae [scale bar = 5 cm], from Lerzo et al., 2024)
Meaning of name: Sidersaura = star [in Latin, referencing the star-like shape of the bony projections under its tail vertebrae] lizard [in Greek]; marae = for Mara Ripoll [director and technician at the Ernesto Bachmann Paleontological Museum]
Age: Late Cretaceous (Cenomanian–Turonian)
Where found: Huincul Formation, Neuquén, Argentina
How much is known: Partial skeletons of two individuals, together including parts of the skull, several vertebrae, and limb bones. A partial fibula (lower leg bone) and a back vertebra representing two other individuals are also known.
Notes: Sidersaura was a rebbachisaurid, a group of sauropods best known for including the bizarre Nigersaurus from the Early Cretaceous of Niger. Sidersaura is one of the youngest rebbachisaurids yet found, as they are not known to have survived past the early Late Cretaceous. Being represented by relatively complete remains, it provides valuable information on rebbachisaurid anatomy, such as confirming the presence of similarities between the tail vertebrae of rebbachisaurids and those of the distantly related titanosaurian sauropods, which has led to members of the two groups being occasionally confused for one another in the past.
Reference: Lerzo, L.N., P.A. Gallina, J.I. Canale, A. Otero, J.L. Carballido, S. Apesteguía, and P.J.Makovicky. 2024. The last of the oldies: a basal rebbachisaurid (Sauropoda, Diplodocoidea) from the early Late Cretaceous (Cenomanian–Turonian) of Patagonia, Argentina. Historical Biology advance online publication. doi: 10.1080/08912963.2023.2297914
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