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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 03/04/2026

Last but now least, GFS (don't mind the salamander)!

Scale chart depicting various animals from the Pliocene Gray Fossil Site of Tennesse, USA. The magenta scale bar represents 1 meter

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 03/04/2026

Our #marchofthemammals2026 formation frenzy wrap up. As always, thanks to everyone who's stuck around for another March! #paleoart #sciart #fossilfriday

Scale chart depicting various animals from the Jurassic Tiaojishan formation of China. The magenta scale bar represents 10 centimeters

Scale chart depicting various animals from the Eocene Kuldana formation of south Asia. The magenta scale bar represents 1 meter

Scale chart depicting various animals from the Oligocene Jebel Qatrani formation of Egypt. The magenta scale bar represents 1 meter

Scale chart depicting various animals from the Miocene Cerro Azul formation of Argentina. The magenta scale bar represents 1 meter

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George Lafaye @shunosaurus.bsky.social · 31/03/2026

#marchofthemammals Day 31: Wrap Up The mammals continue their endless march. Thank you to everyone who participated and enjoyed this art month! March of the mammals is a highlight of my year and I always love seeing other people enjoying it too. I'll announce giveaway winners soon!

A wide assemblage of mammals on a black and white background.

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 30/03/2026

Last day of #marchofthemammals2026 is day 30: Pristinailurus bristoli. An prehistoric relative of Red Panda who was originated from Gray Fossil Site in Gray, Tennessee. #paleoart #sketchbook #sciart

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George Lafaye @shunosaurus.bsky.social · 31/03/2026

#marchofthemammals2026 Day 31: Wrap Up/Dynamognathus robertsoni The large salamander Dynamognathus emerges from its burrow to finish the Gray Fossil Site! I'm really happy with how this autumnal scene turned out, especially since I grew up in a very similar environment. The final MOTM post is next!

A pink and brown salamander emerges from a small burrow surrounded by autumnal leaves.

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George Lafaye @shunosaurus.bsky.social · 31/03/2026

#marchofthemammals2026 Day 30: Pristinailurus bristoli The ancient red panda Pristinailurus is baffled by the hinge mechanism of an early box turtle. Join us tomorrow for one more critter and the wrap-up!

A brown, white, and black red panda relative rests a paw on a box turtle shell.

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Michael Tripoli @triloboii.bsky.social · 30/03/2026

#Marchofthemammals2026 day 26: Our final animal for this year, Pristinailurus bristoli, the mighty Tennessee panda As always, stay tuned for out wrap up later this week! #paleoart #sciart

Vector illustration of Pristinailurus bristoli, a close relative of the living red panda from early Pliocene Tennessee, climbing on a large tree branch looking at the viewer. This animal looks much like its living cousin, with a darker reddish coat and white stripes along its tail and white spots on its cheeks, ears and around its eyes

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Stephen Joe @dinobirdman.bsky.social · 29/03/2026

Day 29: Mylohyus elmorei An extinct genus of peccary found in North and Central America. It first evolved during the Late Miocene and became extinct at the end of Pleistocene, around 12,000 years ago. Commonly known as “Long-nosed Peccary.” #marchofthemammals2026 #paleoart #sketchbook

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 29/03/2026

#Marchofthemammals2026 day 25: big pig Mylohyus elmorei

Vector illustration of Mylohyus elmorei, a large, long legged peccary. This animal has a very long snout and wide flanges on its cheeks. It is brown with dark socks and a dark stripe down its face and back, with white and gold on the tip of its snout and throat

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George Lafaye @shunosaurus.bsky.social · 29/03/2026

#marchofthemammals2026 Day 29: Mylohyus elmorei A Mylohyus walks into a bar. The bartender asks "Why the long face?". Mylohyus proceeds to ransack the kitchen.

A tall peccary with a long face and pronounced flanges walks in the woods.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 28/03/2026

#Marchofthemammals2026 day 24: Arctomeles dimolodontus going for a morning jog #vectorart #paleoart #sciart

Vector illustration of Arctomeles dimolodontus, a relative of eurasian badgers, running adjacent to the viewer. It looks similar to a living badger with longer legs, more like a hog badger or honey badger. It is gray to brown on its top and black on its underside and face, with stark white markings on its face

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Stephen Joe @dinobirdman.bsky.social · 28/03/2026

Day 28: Arctomeles dimolodontus Although American badger is only species in America outside of both Eurasian and African continent, but back in Early Pliocene of Tennessee, around 4.9 to 4.5 million years ago, Arctomeles is the American version of Eurasian badger. #marchofthemammals2026 #paleoart

In sketch here, an paleo-Eurasian badger is scratching the tree for this behavior.

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George Lafaye @shunosaurus.bsky.social · 28/03/2026

#marchofthemammals2026 Day 28: Arctomeles dimolodontus Arctomeles is badgered by the commotion back on the surface. Someone needs to tell those Eocoileus to knock it off!

A gray badger comes to the surface, disturbed by two rutting deer.

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George Lafaye @shunosaurus.bsky.social · 27/03/2026

#marchofthemammals2026 Day 27: Eocoileus gentryorum Two Eocoileus bucks clash during the tail end of their rut. These tiny early deer were originally described in Florida, but recent reassessments of fossils at the GFS revealed that deer have had a hoof-hold in the Appalachians for a while.

Two small deer lock 3 pointed antlers. A large gray rhinoceros with red clay mud on it stands in the background.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 27/03/2026

#Marchofthemammals2026 day 22: Our first stop at the warm early Pliocene forests of Tennessee with Teleoceras aepysoma, one of North America’s last rhinos. Believe or not this is the "long legged" one #paleoart #scicomm

Vector illustration of Teleoceras aepysoma, a large hornless rhino from early Pliocene Tennessee. The rhino is stocky and round in shape, with furry tufts on its ears, a thick brow and two large tusks in its mouth. The animal is dark grey with reddish stuble on its back

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 26/03/2026

Day 26: Teleoceras aepysoma A short-legged rhinoceros takes an swim in the prehistoric river of Gray Fossil Site during the Early Pliocene. #marchofthemammals2026 #paleoart #sketchbook #rhinoceros

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George Lafaye @shunosaurus.bsky.social · 26/03/2026

#marchofthemammals2026 Day 26: Teleoceras aepysoma While still squat compared to other rhinos, Teleoceras aepysoma has some pretty long legs for its genus! Here, a lone male enjoys an unusually warm late fall day in the blue ridge mountains around the Gray Fossil Site.

A hornless rhinoceros with notable tusks is seen with red clay on his body, a remnant of a mud bath.

A further view, showing yellow and orange fall foliage and dry grass.

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George Lafaye @shunosaurus.bsky.social · 25/03/2026

#marchofthemammals2026 Day 25: Rest Day/Argentavis magnificens The giant teratorn Argentavis descends to steal Macroeuphractus' kill. Thylacosmilus bides his time, hoping to claim the carcass in the chaos. Join us tomorrow as we head to Pliocene Appalachia to see what lives in the foothills.

A gigantic vulture-like bird screams and runs at a carcass, contested by a large armadillo.

A closer view of the bird, showing dark brown plumage and a lighter rump.

A further view, showing all of the March of the Mammals Cerro Azul prompts.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 24/03/2026

#Marchofthemammals2026 day 21: Rounding out our trip to the semiarid scrublands and dry forests of Late Miocene Argentina with a momma Thylacosmilus atrox and her joeys. Kits? Who knows...

Vector illustration of Thylacosmilus atrox, a sabertoothed sparassodont, carrying two babies on her back. It is low slung with sharp claws and a long skull with curved saber shaped canines. It is light brown with a darker back half and scattered white spots. The babies are darker in color to blend in with thier mother's back

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 24/03/2026

Day 24: Thylacosmilus atrox An extinct genus of saber-toothed metatherian mammals that inhabited South America from Late Miocene to Pliocene epochs. #marchofthemammals2026 #paleoart #sketchbook

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George Lafaye @shunosaurus.bsky.social · 24/03/2026

#marchofthemammals2026 Day 24: Thylacosmilus atrox The saber-toothed sparassodont Thylacosmilus dares challenge the flesh eating armadillo Macroeuphractus over the carcass of a very large rodent. Evolution really does some crazy things. Stay tuned for tomorrow, when we round out the Cerro Azul!

A tan/brown long bodied mammal with an extended chin and saber teeth following the chin approaches the carcass of a capybara. A large sharp toothed armadillo is screaming at it. A giant camel-like mammal keeps its distance in the background.

A closer view of Thylacosmilus, showing off a short horse-like mane and an odd face.

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 24/03/2026

Day 23: Huayqueriana cristata And extinct genus of South American litoptern, related to Macrauchenia, and belonging to the same family, Macraucheniidae. #marchofthemammals2026 #paleoart #sketchbook

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 23/03/2026

#marchofthemammals2026 day 20: A spooked Huayqueriana cristata #paleoart #sciart

Vector illustration of Huayqueriana cristata, an early relative of Macrauchenia, rearing up on its hind legs and bearing its sharp incisor teeth. This animal is proportioned somewhat like a lama or camel, with padded, three toed feet and a large moose-like nose. It is sandy greyish in color, with white and black patched on its rump, face and feet

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George Lafaye @shunosaurus.bsky.social · 24/03/2026

#marchofthemammals2026 Day 23: Huayqueriana cristata The liptoptern Huayqueriana moves cautiously past Macroeuphractus. Related to the more famous weirdo Macraeuchenia, this fella would have likely had a funky nose as well.

A brown ungulate with a long neck and odd nose looks at an armadillo.

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 22/03/2026

Day 22: Macroeuphractus moreni An extinct carnivorous armadillo (known as Euphractinae) has caught unfortunate Lagostomus sp. after emerging out from the burrow. #marchofthemammals2026 #paleoart #sketchbook

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 22/03/2026

#Marchofthemammals2026 day 19: the fearsome Macroeuphractus moreni #paleoart #sciart #armadillo

Vector illustration of Macroeuphractus moreni, a large carnivorous armadillo, laying down and looking at the viewer. Its skin is dark brown with a rusty colored carapace and claws

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George Lafaye @shunosaurus.bsky.social · 22/03/2026

#marchofthemammals2026 Day 22: Macroeuphractus moreni Macroeuphractus can't seem to buy the carcass of the capybara Cardiatherium fast enough. In the meantime, he needs to scream at his neighbors to keep any thieves far away.

An armadillo with a bloody mouth screams at an unseen enemy over the carcass of a capybara.

A further view, showing that the subject of the armadillo's ire is a ground bird chasing a hopping mammal.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 21/03/2026

#marchofthemammals2026 day 18: Lagostomus pretrichodactyla, an early relative of plains viscacha

Vector illustration of Lagostomus pretrichodactyla, an early species of plains viscacha, sitting on its hind feet sniffing as it looks upwards. The rodent looks similar to modern viscacha, with a lower, longer snout more similar to mountain viscacha. It is grey and rusty brown with white stripes on its heat and belly, and pink furless feet and ears.

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George Lafaye @shunosaurus.bsky.social · 21/03/2026

#marchofthemammals2026 Day 21: Lagostomus pretrichodactyla The ancient Viscacha Lagostomus pretrichodactyla clambers onto a rock.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 20/03/2026

#marchofthemammals2026 day 17: Argyrolagus rusconii, a silly hopping metatherian

Vector illustration of Argyrolagus rusconii, a small hopping metatherian, bounding towards the viewer. This strange possum like animal has long, two toed hind limbs and large claws on its forelimbs. It has a long nose, large ears and small beady eyes. It is sandy brown in color with a long pink hairless tail

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George Lafaye @shunosaurus.bsky.social · 20/03/2026

#marchofthemammals2026 Day 20: Argyrolagus rusconii Argyrolagus hops for her life to escape Procariama. These odd hopping metatherians are unfortunately in the perfect weight class to be ideal prey for this tiny terror bird.

A small hopping mammal runs from a long-legged bird with a large head and heavy beak.

A further view, where the pursuer and pursued are dwarfed by a ground sloth.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 19/03/2026

#Marchofthemammals2026 day 16: Proscelidodon gracillimus chowing down on some tasty yautia #sciart #paleoart

Vecor illustration of Proscelidodon gracillimus, a tapir sized ground sloth from late Miocene Argentina, using its claws to tear into a yautia tuber. The sloth is sandy brown in color with orangey fur on its face, with bright white and dark markings on its underbelly and around its eyes

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 19/03/2026

Day 19: Proscelidodon gracilimimus An extinct genus of the ground sloths in the family Scelidotheriidae. It lived during the Miocene and Pliocene of Cerro Azul Formation in what is now Argentina. #marchofthemammals2026 #paleoart #sketchbook

Back into coloring with both colored pencils and crayons for mixed yellow orange-green yellow background.

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George Lafaye @shunosaurus.bsky.social · 19/03/2026

#marchofthemammals2026 Day 19: Proscelidodon gracillimus The not-so-giant ground sloth Proscelidodon takes a pleasant stroll. Welcome to the Cerro Azul Formation! We'll be exploring the weirdest that the Miocene had to offer over the next couple days, stay tuned!

A gray sloth with light stripes, long limbs, and a long face walks on a grassy area with red soil, new green grass, and yellow grass.

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George Lafaye @shunosaurus.bsky.social · 18/03/2026

#marchofthemammals2026 Day 18: Rest Day/Eogavialis africanum A young Eogavialis basks on the shoreline. While he doesn't care about anything except for fish, most other animals aren't going to chance his toothy grin. Join us tomorrow across the Atlantic to the Miocene of South America!

A large teal gharial rests amongst mammals

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Michael Tripoli @triloboii.bsky.social · 17/03/2026

#marchofthemammals2026 day 15: Moeritherium trigodon. You can really tell why these things were thought to be sirenians

Vector illustration of Moeritherium trigodon, an early proboscidean, walking underwater. This animal looks more like a hippo or hyrax than a modern elephant, with no trunk, very short limbs and a long torso. Its skin is dark with a pinkish underbelly, covered in small scars

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 17/03/2026

Day 16: Masrasector nananubius A smaller Hyaenodont that lived in Egypt’s Jebel Qatrani Formation during Eocene to Oligocene. #marchofthemammals2026 #paleoart #sketchbook

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George Lafaye @shunosaurus.bsky.social · 17/03/2026

#marchofthemammals2026 Day 17: Moeritherium trigodon Moeritherium is rudely awakened. Run away while you still can! The wrath of the hyrax-tube will be swift and catastrophic.

An elongate daschund of an early elephant relative rises from a nap on its side.

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Michael Tripoli @triloboii.bsky.social · 16/03/2026

#marchofthemammals2026 day 14:Masrasector nananubis and a very unfortunate phiomorph rodent #sciart #paleoart

Vector illustration of Masrasector nananubis, a small hyainaliourioid hyaenodont from the oligocene of Egypt. The civet or weasel-like animal is carrying the remains of a sandy-colored phiomorph rodent in its mouth. The Masrasector is dark brown in color, with a darker back half and light spots around its snout, ears and eyes

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George Lafaye @shunosaurus.bsky.social · 16/03/2026

#marchofthemammals2026 Day 16: Masrasector nananubis The small hyaenodont Masrasector sniffs around the roots of the mangroves. Might be a good idea to stay in the trees, Apidium!

A fox-like mammal sniffs around the tangled roots of a mangrove.

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 15/03/2026

Day 15: Apidium phiomense Originally thought to be a cattle (hint that named after Apis the sacred bull), but it’s more like an monkey than a bovine. #marchofthemammals2026 #paleoart #sketchbook

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 15/03/2026

#marchofthemammals2026 day 13: Apidium phiomense, a springy stem-monkey #sciart #paleoart

Vector illustration of Apidium phiomense, a small parapithecid primate, leaping towards the viewer. The animal looks broadly like a small tariser, with a sandy grey and white back and a reddish underside

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George Lafaye @shunosaurus.bsky.social · 15/03/2026

#marchofthemammals2026 Day 15: Apidium phiomense A mother Apidium feeds on low branches while her baby holds on tight for a nap.

A black-furred monkey stands on leaves with her baby asleep on her back.

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 14/03/2026

#marchofthemammals2026 day 12: Bothriogenys andrewsi. Nothing like a good anthracothere #paleoart #sciart

Vector illustration of Bothriogenys andrewsi, a large bothriodontine anthracothere from Oligocene Egypt, running towards the viewer. This artiodactyl looks something like its living relatives, the hippos, with taller, more slender proportions, like a stocky deer or pig. It is sandy brown in color with light countershading and dark legs, with white stripes down its face

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George Lafaye @shunosaurus.bsky.social · 14/03/2026

#marchofthemammals2026 Day 14: Bothriogenys andrewsi Bothriogenys has a bone to pick with the prehistoric shoebill Goalithia.

A gray hippo-like mammal crashes through the forest.

A shoebill stork is chased off by a hippo-like mammal.

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 13/03/2026

Day 13: Antilohyrax pectidens An extinct genus of herbivorous mammal belonging to the other Hyracoidea. #marchofthemammals2026 #paleoart #sketchbook

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Reposted by George Lafaye

Michael Tripoli @triloboii.bsky.social · 13/03/2026

#marchofthemammals2026 day 11, Antilohyrax pectidens, a speedy hyrax relative

Vector illustration of Antilohyrax pectidens, a small cursorial Titanohyrachid from the Oligocene of Egypt, grooming its front leg. This hyrax relative looks somewhat like long-snouted hyrax with long thin legs. It is greyish in color, with dark and light patches on its legs, rump and face, and a bright yellow stripe on its back

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George Lafaye @shunosaurus.bsky.social · 13/03/2026

#marchofthemammals2026 Day 13: Antilohyrax pectidens Antilohyrax reaches back to his dorsal gland to apply some perfume to himself.

A brown hyrax with longer legs stretches its head backward.

A further view of the hyrax walking beside a mangrove

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Reposted by George Lafaye

Stephen Joe @dinobirdman.bsky.social · 13/03/2026

Day 12: Ptolemaia lyonsi. An extinct genus of carnivorous Afrotherian mammals from the Oligocene Jebel Qatrani Formation of East Africa’s Egypt. #marchofthemammals2026 #paleoart #sketchbook

Just got back to normal sketching on a wolf or coyote-like animal such as Ptolemaia lyonsi.

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