For the slide that started our paper in Proc B! A jaw cross-section of a therapsid shows some teeth fused in place and others suspended in sockets. That's because they are two stages in the lifecycle of a typical tooth! Mammals keep teeth in the "earlier" stage.

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not- day 3. Dipping into some extinct mammals with Daeodon shoshonensis.

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We're batty for 🦇

Bats are the only mammals naturally capable of true, sustained flight. Bats on the wing by Archibald Thorburn from his "British Mammals" v. 1 (1920). Check it out for free in thanks to ➡️ https://t.co/liXT09MrcJ

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Next up in our animal-themed week is 'Mammals of the Seas' by Richard Mark Martin. This illustrated reference guide to seals, whales and other sea mammals was published in 1977.

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Sea Otters are well known for their cute faces and adorable behaviors(like holding one another's hands to keep from drifting apart). These playful mammals are also endangered, and can be threatened by climate change events, oil spills, and other oceanic threats.

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Yellow-bellied Glider, Petaurus australis (formerly known as Belideus flaviventer) from John Gould's Mammals of Australia, 1863. https://t.co/ea9phxVLyX via

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Aboriginal legend: In Dreamtime, the Creator made mammals, fish & birds and gave each of them a gift: fur for warmth, gills to breath underwater, & eggs to protect the young. After he finished there were pieces left over, so the Platypus was made. 1/4

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MUSTELIDAE
are a family of carnivorous mammals, including weasels, badgers, otters, martens, mink, and wolverines, among others. Mustelids are diverse and the largest family in the order Carnivora.

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1861 Dolphin, Antique Engraving, Marine mammals, Sea life original Print Drawing Wall Art home decor Lithography Sea life Ocean life https://t.co/LIl55SYeYA

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Fauna Boica oder gemeinnützige Naturgeschichte der Thiere Bayerns (1830-1832), on the mammals of Bavaria, was the 1st volume in J.E. von Reider & C.W. Hahn's series exploring animals of the region. Explore it for via : https://t.co/A3AbMdeEhD

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I open to one detailed shade chibi!
Doesn't have to be Halloween/Fall themed but its highly preferred! Be about $30, mammals and feminine body types only(can do chub! but no hyper)
Dm me if interested ^^

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For here is a gif showing how backbone regionalization changed during mammal evolution. The highly modular structure of mammals has allowed them to adapt to diverse environments and move in many different ways. Thanks for paving the way non-mammalian therapsids!

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82 years ago, the last known died in captivity in Hobart. To mark this sad day we wanted to share these beautiful images from John Gould's 'Mammals of Australia' vol. 1 (c.1845-63)

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The Kangaroo, illustrated by Miss Harriett Scott & Mrs Helena Forde in Krefft's 1871 "The mammals of Australia" (on via ) https://t.co/Lvcm9wuWJ7

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A commission I've made for a guy who has a thing for pumas, and I have to admit, there's a reason. Real are the most mammals I've ever seen. It was the occasion to try to work with the colored linearts. Pretty funny.

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Loxodonta antiquus, the European straight-tusked elephant, which roamed the forests while mammoths roamed the tundra.

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Baleen whales are known for their large size, but in the past some were relatively small. Here's the Oligocene baleen whale Fucaia goedertorum, its skull and mandibles are not much larger than the extant Pacific White-Sided Dolphin

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