#Paleostream 23/05/2026
here's this week's #Paleostream flocking sketches!!
this week we sketched Yoshi, Tylosaurus (most of us drew Tylosaurus rex), Xianshou (mine is inside a speculative Weltrichia sp.), and Argyrolagus

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#Paleostream 23/05/2026
here's this week's #Paleostream flocking sketches!!
this week we sketched Yoshi, Tylosaurus (most of us drew Tylosaurus rex), Xianshou (mine is inside a speculative Weltrichia sp.), and Argyrolagus
Lotheridium bust by hellagator. I previously commissioned a bust of this metatherian dinosaur killer, but I felt like revisiting it and commissioned a new one.
Results from the #paleostream! Happy Easter!
Centuriavis, Shaihuludia, Callistoe and Gorgosaurus
Luison (Lupoherperops malumadvena) - Dark Displeasure
“ He is one of the last surviving metatherians and the seventh son of an evil god born during the age of Holocene. With the blessings, the gliding but lethal weapon against all, even his kin, warned the Guarani people of Paraguay that this animal was the only real werewolf—that is, a marsupial. ”
– Persephone
Luison or Lobison (Lupoherperops malumadvena) is the one of the mythical creatures and a guardian introduced in Worldcraft: My Last Blessings and Weather Dragons: The Second Gift.
Etymology
The name wolf, Lobisomem, more literally wolf-man.
Physical Appearance
Luison is a bipedal, ugly metatherian that resembles a werewolf, with very sharp furs and quills on its tail, long claws on its hands like anteaters, a rib-like belly, long digitigrade legs, dark gray to black fur, dog-headed, wolf-shaped ears, an opossum nose, a patagium between elbows and knees, and even reddish brown eyes.
Luison is the best example of a mythical creature that is mistaken to be mixed with a maned wolf, opossum, anteater, monito del monte, flying squirrel, porcupine, and werewolf altogether.
Abilities
Luison is a dark element of the Horatio continent on planet Reinachos. Luison unleashes uncontrollable dark energy from hands or mouth, including rattling around the tail to release energy to shoot and explodes on impact. Luison is a very unlikely monster that uses their patagium that glides and these two strong legs to double jump or even jump on water or lava, unharmed, shoots itself, and dives or swoops while gliding.
Without any dark energy, the Luison releases a foul smell in its mouth that causes stun and nausea. These two claws are causing sundering, breaking through armor of any kind, and piercing through the body. These quills are very sharp and cause withering and poison.
Weather Phenomenon
Darkness / 3 Days of Darkness: Luison is the only metatherian that possesses a dark element; it can howl itself and initiate the darkness at midnight or in very dark clouds that increase dark element attributes.
Behavior
Luison is very elusive and changes their fourteen behaviors, which means between the representative of the seven virtues and the seven deadly sins. These seven pairs of alignments are based on their own brains between left and right ideas for switching this behavior as a strategy. Considered the only elemental and the most intelligent of all them.
Distribution and Habitat
Luison was a native species in Paraguay's dark forests. Another population of Luison was found in Corazones Labyrinth Forest, the abandoned civilization with kauri and monkey puzzle trees planted by Monegasques, Spaniards, and Guaranis before the event.
Movement Pattern: Nomadic
Individual Type: Solo
Population Trend: Stable
Population: 3,000
Locomotion: Airborne
Habitat: All
Earth: Argentina; Brazil; Colombia; Paraguay; Uruguay
Reinachos: Ascunsia
Lore
Luison was considered extinct by the Ascunsian Empire before the event due to the eradication of Jews and others under Roxana Maldado, the last remaining fallen angel. Luison is finally discovered as two individuals, while a few individuals remain hidden in the habitat called Corazones Labyrinth Forest, the religious place for the Guarani people of South America under the Romanians and Portuguese.
Mothsol also becomes the companion of metatherian Luison of Paraguay; however, they are widely regarded as polar opposites, with rivals and foes. Because Mothsol comes from Southeast Asia, which is part of Eurasia, and Luison is from South America, they were not present.
For example, at the Isu Temple in Palestine, an older Luison and an older Mothsol were competitors who fled as wild animals. In Israel, people believe that Mothsol promotes awakenings and pleasant dreams, whereas Luison causes nightmares and trauma. According to the Abrahamic religion and pre-Islamic cultures, both Luison and Mothsol are God's creations and servants.
Back to the history before the 21st century and beyond, the Luison was created by Chang'e and Quetzalcoatl after the moon rabbit and considered not created by the god Tau and his wife Kerara, but Tupan, a god in Guarani mythology, wants to evolve the last remaining metatherian resembles a werewolf from Europe into his own, but the first name of this species was forbid. Due to many loanwords from Spanish to Guarani, the Amerindian language was a spoken language and didn't have its own script or records; thus, no written record of his original name would have been made.
Luison is the deadliest assassin and the most intelligent of all elements under Saint Dymphna, the poetess and princess who commands similar to Welsh, Spanish, French, Vietnamese, Jewish, Islamic, Christian, Abenaki, Shishalh, and Guarani mythologies: Y Ddraig Goch, Cadborosaurus, Behemoth, Wuchowsen, Mothsol, and Luison. Dymphna, as Nicolette Andreponte of France, for simply calming Luison and the rest of them before joining forces with Mothsol larvae. Luison has always been a bouncer against Isabella Morrison and her allies, Archibald Buenaventura (or short name Archie) and Nicolette Jorelavo.
Luison is the convergent evolution of wulvers and werewolves, very unmatched to them and very unique to Luisõ due to seven numbers. It has a bad luck number by some populations, but it was a very lucky number when tamed or trusted as a seven number.
Gallery
Content
Happy Ice Age Week:
Thylacosmilus is an extinct genus of saber-toothed metatherian mammals that inhabited South America from the Late Miocene to Pliocene epochs some 9 to 2.5 million years ago. The first remains know of thylacosmilus consisting of 3 partial skeletons where unearthed from the Ituzaingó Formation of Corral Quemado, in Catamarca Province, northern Argentina, during the 1926 Marshall Field Paleontological Expeditions. These three specimens were recognized as representing a new type of marsupial, related to the borhyaenids, and were reported to the Paleontological Society of America in 1928, though without being named. In 1933, the American paleontologist Elmer S. Riggs named and preliminarily described the new genus Thylacosmilus based on these specimens, he dubbed the two new species in the genus, T. atrox and T. lentis. The generic name Thylacosmilus means "pouch knife", while the specific name atrox means "cruel". Since then several more fragmentary Thylacosmilus specimens have been recovered. In a 1972 Argentinian paleontologist Jorge Zetti suggested that T. atrox and T. lentis represented a single species, and the American paleontologist Larry G, Marshall agreed in 1976, stating the features distinguishing the two were most likely caused by being different growth stages and sexes. Additionally the genus Achlysictis known only from teeth was found to be synonomous with thylacosmilus. Reaching around 59 to 70 inches (150 to 178cms) in length, 28 to 32 inches (71 to 81cms) tall, and 180 to 330lbs (80 to 150kgs) in weight, thylacosmilus would have been comparable in size to a modern jaguar. Thylacosmilus had large triangular saber-like canines which where anchored well into the skull to a degree not seen in other saber toothed animals. Recent comparative biomechanical analysis have demonstrated that thylacosmilus had a weak bite force but a powerful neck and flexible forelimbs and was more than capable of killing prey in the same manner as sabre-toothed cats. However thylacosmilus’s unique dentition meant that it was incapable of feeding like one. Thus it has then been suggested that thylacosmilus may have been an organ specialist. In life thylacosmilus would have inhabited the grasslands and forests of South America.
Art used in this video can be found at the following links
Marsupial (ish) sabertooth. Studies of Thylacosmilus atrox, the famous saber-toothed sparassodont from Late Miocene southern South America.
New study examines how Thylacosmilus, an extinct mammal with eyes positioned like a cow’s, managed to see in 3D anyway.
Read this exciting story from Prehistoric Times Fall 2019. Everyone knows about the cats of the Pleistocene that sported enlarged, trenchant
Daily Paleo Art Month #12: Thylacosmilus Living in Argentine, South America between 10 and 3 million years ago, Thylacosmilus wasn't a sabre
My two artworks for the book 'Secret Lives of Carnivorous Marsupials' (2017).
Thylacosmilus Carnivorous Marsupials Photograph by Science Photo Library
Stenonychosaurus & Eodelphis
Speed sculpts from June 22th - 27th
Metriorhynchus sp. Allosaurus as Al Capone Made up creature from my sketchbook Tetraceratops insignis Dsungaripterus weii Thylacosmilus atrox
Since Sparassodonts such as Thylacosmilus are as far as we know, probably related to Marsupials, would they've had pouches and reproduce somewhat similar to them?
We don’t know for certain if sparassodonts and other non-marsupial metatherians had pouches. It’s definitely a possibility, but they could also have had a different strategy similar to some modern marsupials that don’t have true pouches:
Quolls only have pouches during the breeding season, developing them from folds of skin on the abdomen.
Numbats don’t have pouches at all, and just carry their joeys around dangling from their bellies.
Shrew opossums also don’t have pouches, but don’t constantly carry their young, instead leaving them behind in a nest.