C. M. Kosemen

C. M. Kosemen

Artist and Researcher




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Sketches

Two previous compilations of my sketches exist, available to download as free .pdf e-books:
1. Tangent Worlds: From the Sketchbooks of C. M. Kosemen
2. Alternate Life: From the Online Sketchbooks of C. M. Kosemen


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Sketches of biomechanical, insect-like motorbike-creatures.


Sketch of an insect-like robot-drone using lightning to blast a target.


Sketch of a hulking alien creature.


Frivolous sketch of a demon on a mono-ski.


Frivolous sketches of serpentine creatures, and a demoness.


Sketch of a long-faced posthuman colossus.


Frivolous sketch of a fantastic creature watching a crystalline hologram projector.


Sketch of a humanoid ant-demon.


Sketch of a surreal warrior figure.


Two sketches of frivolous “amphisbaena” creatures, in pastiche of mediaeval bestiaries.


Sketch of a tern-like bird with a large nasal cavity. Not a real animal, but an exercise in speculative evolution.


Sketches of a demon and a demoness.


Sketch of a four-armed goddess creature.


Sketches of split-faced demons.


Sketch of the predatory dinosaur Austroraptor.


Sketches of two flame demons.








A series of surreal ink sketches.




Sketches of frivolous flying machines.


Sketch of a hexapedal, sheep-like animal, an exercise in speculative evolution.


Sketch of an insectoid monkey-bat creature, an exercise in speculative evolution.


Sketches of an insect-faced demon and a strange, plant-like robotic creature.


Sketches of biomechanical, insect-like motorbike-creatures.


Sketches of camel-sized insectoid creatures, an exercise in speculative evolution.

Whimsical sketch of a serpentine figure.


Sketch of an insectoid warrior.


Sketch of a humanoid alien creature, Peltahomunuculus arridere - homage to a concept by my friend Joschua Knüppe.


Whimsical sketch of an Old Testament angel on an awkward date with a New Testament angel.


Sketch of a chunky tyrannosaur on the prowl.


Sketch of a Pteranodon (Geosternbergia?) at dusk.


Unreferenced pencil doodle of an ornithischian dinosaur - after Heterodontosaurus.


Sketch of an "alternate duck-dog tetrapod" that walks on three main limbs and a modified tail, an exercise in speculative evolution.


Sketch of a dream-house in a Mediterranean setting, inhabited by human-sized spiders.


Pencil sketch of a surreal, leonine monster.


Sketch of flying organisms with biological jet engines. An exercise in speculative evolution.


Sketch for a surreal mural.


Sketch of a long-bodied reptilian creature, an exercise in speculative evolution.


Sketch of an insectoid alien visitor.


Sketch of two beluga-like "sea beasts", an exercise in speculative evolution.


A macropredatory marine creature, a homage to the amazing world-design videos of "Biblaridion" on Youtube.


Sketch of a horned river monster - an exercise in speculative evolution.


Sketch of a boar-like reptilian creature.


Sketches of two Old Testament angels.


Sketches of tower-bearing places of worship.


Sketch of a winged demon.


Sketch of a seal-like animal descended from flying reptiles. An exercise in speculative evolution.


Sketches of "longfish", long-bodied swimming animals I saw in a dream. They had human-like faces, which in close inspection turned out to be insectoid in appearance.


Sketch of a biomechanical glider airplane with insect-like landing legs.


Unreferenced sketch of a big, fat lungfish.


Sketches of fantastic demons that appear in the shape of moths.


Fantastic sketch of a scarlet, bird-like creature erupting from the head of a meditating alien priest.


Sketches of tower-bearing places of worship.


Portrait of a priest descended from mammal-like reptiles, an exercise in speculative evolution.


Frivolous sketch of a vulture-like robot.


Sketches of tower-bearing places of worship.


Sketch of a metallic, walking motorbike.


Pencil and watercolour sketch of a sphinx-like creature.


Sketches of two speculative amphibians: Ichthyobatrachoides (left), a salamander-like form that has secondarily adapted for a purely marine existence; and Psettaprion (right), a flattened, armoured form that lives under logs. Both animals are fictional results of an exercise in speculative evolution.


Study of the "pallid sailfin" (Bathyembryx istiophaxma), one of the mysterious fish sighted by explorer William Beebe during his pioneering deep-sea research in the 1930s. Although Beebe gave a comprehensive account of observing the "pallid sailfin" (and a few other unknown fish species), nothing like it was ever caught or seen after his initial sighting.


Pencil sketch of a knife-wielding demon-creature.

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Ink sketches of three fantastic demons.


Sketches of the early ichthyosaur Utatsusaurus and the strange marine reptile Hupehsuchus.







A series of cinematic landscape sketches.


Sketch of the "bat winged" dinosaur Yi qi alongside a small pterosaur.


Sketch of a surreal landscape with plants.


Early 2000s digital sketch of a mixed human/animal deity.


Colour sketch of a herbivorous dinosaur with spiny quills, tusks and a trunk; part of an exercise in speculative evolution.


Two sketches of beautiful women from the early 2010s.


Sketch of a bird-like bipedal creature, from an exercise in speculative evolution.


Sketch of a hexapedal alien creature, an exercise in speculative evolution.


Sketches of two unusual vertebrate animals - exercises in speculative evolution.


Unreferenced sketch of a prehistoric marine reptile swimming alongside a giant lungfish.


Three pencil sketches of frivolous monsters.


Sketches of Old Testament angels, in scale with a human being.


Sketch of an Old Testament angel.


Study of a "realistic" demon-creature with a rotational body-plan.


Four sketches of quasi-organic buildings.


Sketches of two abstract leonine figures.


Sketch of two dark, wide-eyed, gazelle-like creatures. An exercise in speculative evolution.


Clade of supernatural monsters derived from Shamshel (inset), my favourite Neon Genesis Evangelion creature.



Rough sketches and detailed study for a fanciful illustration of a woman riding a biomechanical motorbike derived from flies.


Whimsical sketch of two bird-like demons in conversation.


Whimsical sketch of a bird-like demon.



Composite sketch and final base drawing for an illustration of an alien panorama, with multiple figures. Click on the images to see the completed artwork.


Sketch of a demonic figure inspired by the eagle friezes on Istanbul's ancient Column of Marcian (inset).


Colour sketch of a dolphin-like creature descended from human-like ancestors. An exercise in speculative evolution.


Sketches of fanciful "robot larva" creatures.


Sketch of a fanciful, bird-like fish creature.


Colour sketch of an airplane shadowing an UFO next to the ruins of a giant pyramid built by a bygone race of alien invaders.


Unreferenced sketch of a reclining pterosaur.


Ink, watercolour and brio sketch of an alien ambassador.


Sketch of a kitten playing with a ball while a vertebrate animal from a parallel universe watches uncomprehendingly. The parallel-universe animal is a bit slow.


Gong...gong... It's the Turtle Man, banging on his shaman drum. That is his name, but he is not a turtle, nor a man.


Sketches of teepee-like structures erected by an alien species.


Sketches of a reptile-like animal and a piegon-like animal.


A fanciful, cornucopia-themed sketch.


A medley of sketches and doodles. Clockwise from atop left: A moth drawn from a dead specimen; a squad of ghosts during a night out at town; a bird-and-reptile-like spirit; a hazy, smoke-like reptile; a human-made UAV (a) compared with biosynthetic alien UAVs (b,c); various gaudily-patterned speculative sea snakes.


Whimsical sketch of a man waking up next to a moth-like creature.


Loose sketches of flies.


The slightly-off depictions of animals on found on ancient relics make great material for speculative evolution projects.
Here is a "whippet bird" derived from a bronze-age fragment displayed at the Eskişehir Archaeology Museum in Turkey.


Sketch of a faintly human-like beaked beast in front of futuristic ruins.


A series of insect-like spaceship designs.


A series of frivolous arachniform figures.



A series of fantastic, insectile war machines.


Sketch of a generic "phytodinosaur", a hypothetical group that was once believed to unite the plant-eating Sauropodomorph and Ornithischian dinosaurs in a single group. We now know that these two groups were unrelated, and each had independently evolved their specialisations for a herbivorous lifestyle.


Frivolous doodles depicting spirit creatures.


Sketch of a strange, floating entity.




Three sketches for fantastic buildings.


Loose sketch showing an eyed monolith among a garden of other fever-dream living structures.


Loose sketch of a big-headed, Sericipterus-like pterosaur. It looks derpy and helpless on the ground.


Sketch of a rabbit-like giant arthropod that has evolved on a version of our Earth without fish or vertebrates. An exercise in speculative evolution.


Sketches of two, vaguely-knife-like alien machines. No one knows their true purpose.


Sketch of an alien creature from the planet Darwin IV - a homage to Expedition, Wayne Barlowe's world-design masterpiece.


A quartet of silly creatures.



Trio of related animals from Snaiad, my upcoming book about the natural history of an alien planet.


Loose sketch for a portrait of Seymouria, an ancestral, reptile-like animal known from the early-Permian Tambach formation in Germany.


Sketch of a fantastic, moon-faced demon sitting on a chair.


Sketches of designs for rifle-like "ideal macro cameras", modeled on the phenomenal Venus Optics Laowa 24mm f/14 Probe Lens.



Sketches of fantastic sea snakes. An exercise in speculative evolution.


Study of a goat-like mammal with a beak and manipulative, digited forelimbs. An exercise in speculative evolution.


Sketch of a township with buildings made by humans and non-human species - drawn on a friend's smartphone with Autodesk Sketchup Pro.


An arsenal of fanciful and frivolous alien guns.


Loose sketch of a crab-tank.


Four fanciful doodles of quasi-organic forms.


Three pencil sketches of "organic houses".


Sketch of Edaphosaurus, a type of ancient, sail-backed reptile.


Sketch of a vaguely-ammonite-like creature.


Hazy ink sketch of a swan-like fantasy figure.


A wide selection of sketches and doodles, including concepts for living airplanes and attack helicopters.


Silly sketch of a magical sword with three serpents for a blade - in pastiche of "raw" African art.


Sketch of a female demon with an insect-like face.



My friend Fabio Alejandro designed this speculative, large-headed pterosaur-descendant which he named a "boatbill" (see Fabio's art illustration and skeletal drawing above). I fell in love with this animal at first sight, and decided to do a study of it myself. Scientifically named Argocephalus philomedusa, the boatbill uses its large, but weakly-muscled jaw to capture and consume enormous jellyfish, which constitute most of its diet.


Sketch of a "speeder bike" with a pole-mounted gravity-cancellation device.



Progressive sketches for a self-aware, biomechanical "speeder bike" concept.


Sketch of a frivolous creature, inspired by the outlandish "plant men" of Edgar Rice Burroughs' Mars books.


Sketch of a grub-like creature.


Sketches of biomechanical light poles, inspired by arachnid genitals.


Sketch of mound-like trees on an alien planet.


Sketches of four superficially-fish-like organisms from an exercise in speculative evolution:
a.) Parasicthyoides nasutus, a parasite that feeds by everting its network of feeding veins to the gills and anuses of larger animals.
b.) Arachnoselachis sp., from a genus of superficially-lizard-like land animals that evolved secondary adaptations for a swimming lifestyle.
c.) Pachyhydrozoropsis atavopes, a larger, faster form of fish-lizard-arachnid related to Arachnoselachis seen above. Paradoxically, it has a large set of atavistic rear legs.
d.) Muraenotrygon sp., from a superficially-shark-like group of animals that reproduces by live birth.


Fanciful sketch showing a gang of reptile, amphibian and para-herptilian creatures; a superb team that has been through many adventures.


Pointillist sketch of a dog-and-newt-like animal in murky water.


Sci-fi sketches depicting a series of assymetric, biotechnological space fighters.


A random assembly of surreal and naturalistic sketches.


A series of five surreal sketches.


Sketches of two vintage, fanciful pterosaurs.


A page of random sketches.


Frivolous sketch of a penguin-like figure.


Sketch of an alien browser with a turret-like protuberance that houses its eyes; a homage to one of my friends' creations.


Paint sketch of a winged demoness in a garden, a study for a larger work.



Sketches of two speculative parareptiles: Alektrokefalos, a foraging omnivore with an eagle-like beak; and Uquollorhynkos, an unusual predator with adaptations for hunting enormous insects.


Sketch of a humanoid, phantasmal dream-being that speaks through grille-like organs embedded into its cheeks.


Doodles of "insect speeders", quasi-organic craft that resemble flying motorcycles.


Sketch of a giant, semi-sophont animal trying to communicate with a human explorer. The result of an exercise in speculative evolution.


Sketch of a zygodactyl "imp bird", a parasitic flyer that evolved from early avian ancestors. Not a real animal, but an exercise in speculative evolution.


Sketches of ur-insectoid sophonts; a big, burly species and a tiny "pixie" variety. Results of an exercise in speculative evolution.


Sketch of a fantastic creature after the style of medieval bestiaries.


Sketches of an oracular tree; and the giant, club-wielding monster that guards it. Concepts from a sci-fi scenario.


Sketch of a predatory dinosaur with a big, burly, bird-like beak. Not an actual animal, but the result of an exercise in speculative evolution.


The giant claw of the mysterious dinosaur Therizinosaurus (see upper-left corner) was first interpreted as belonging to a large, turtle-like reptile - hence the animal's species name, Therizinosaurus cheloniformis. We now know that Therizinosaurus was a bipedal, bird-like dinosaur.


Pencil sketches of two spirit-creatures.


Ink sketches of fantastic, swan-like forms.


Ballpoint pen doodle of a quasi-avian creature.


Pencil sketches of various quasi-avian creatures.


Frivolous sketch of two insectoid, propeller-driven war machines engaging an unseen enemy.


A clanking army of baroque walking war machines.


Sketch of Hadropsittacoides; a fat, omnivorous, parrot-like reptile from an alternative line of repto/avian evolution. Not a real animal, but the result of an exercise in speculative evolution.


Sketches of three sauropod dinosaurs. From left to right, they are Brachiosaurus, Mamenchisaurus and Camarasaurus. I examined x-rays of extant long-necked birds and experimented with a style of reconstruction where I drew the neck very thick at the point it joins the body, and then immediately gets slimmer in order to conserve weight.


Frivolous sketch of a witch, making love to a giant fly.


Loose sketches of a sauropod dinosaur (below), and a speculative animal that looks like a sauropod dinosaur (above).


A big page of random creature sketches.


Sketch of a biological "tombstone" that greets visitors and prays for the soul of the person lying beneath it. An artificial organism that subsists on photosynthesis and organic detritus. Evidently, the makers of this living monument can create custom lifeforms to suit their will, but still remain unable to defeat death.


Sketches of squid-like animals from an exercise in speculative evolution. The ones shown below are primeval forms, the creature on the top is a highly-evolved variety.


Sketch of Ebraria, a creature I designed for a Lovecraftian horror story project. Ebraria was a pregnant, para-human mummy discovered by Italian army officers in 1912 as they conquered Tripolitania from the Ottoman Empire. Too bad I never got around to writing this story. The image of the Italian officer is not mine, it was sourced from a history book.


Sketch of a crocodile-like creature jumping on a naked human.


Ink sketches of dog-like tripod animals from a unique line of terrestrial vertebrates - results of an exercise in speculative evolution.
On the left is Gracilitribamus, a swift-footed hunter of small animals. On the right is Penumbrurus, a large omnivore with heavy legs and impressive wattles.


Pen-and-marker sketch of a colourful fantasy creautre that resembles a dog-reptile hybrid.


Sketch of a horn-blowing herald-swordsman and a club-wielding crocodile-shaman, a dangerous duo out to do some serious damage.


Marker sketch of a galloping, bird-headed horse creature.


Sketches of a spherical robot, and a bird-like walking creature.


Sketch of a surreal demon-bird figure.


Sketches of two "eye birds", with heads mostly consisting of enormous, wide-angle-lens eyes. Living tools bred by an unknown race, part of an exercise in speculative evolution.


Sketch of a giant spider that has evolved from regular ancestors on a low-gravity alien planet. An exercise in speculative evolution.


Sketch of the mightiest beast on an alien world with high gravity - a creature about the size of a shoe. An exercise in speculative evolution.


Sketch of two whimsical birds; one digs furrows, and the other plants seeds in them.

A diverse selection of surreal sketches, including the design for the "hand" of an intelligent alien species.

A diverse selection of surreal sketches.


Sketch of Regressitherium, a species of mammal that has secondarily reverted to a cold-blooded, lizard-like existence as a result of its isolated evolution on a barren island chain. Not a real animal, but the product of an exercise in speculative evolution.



Visions big, long-necked bird-creatures roaming mountain valleys, feeding on nectar that flows from the tops of unusual pillar trees. These are not real animals, but products of an exercise in speculative evolution.


Sketch of a bird-spirit forcing a feminine spirit to kneel. (Don't worry it's all consensual).


Architectural fantasy, a "blinking house" built out of stone and mud.


Sketch of a bipedal, chevrotain-like animal; an exercise in speculative evolution.


Sketch of an alien raptoriform animal that finds its prey with sonar-broadcasting antennae.


Sketches of two giant feline / aquiline creatures, in scale with human figures.


Sketch of a pterosaur that has adapted to a penguin-like lifestyle, an exercise in speculative evolution.


I first doodled this random alien submachine gun (above), then tried to imagine the hand that could grasp it (below).



Sketches of a tall-finned sperm whale, after a type of marine cryptid.


Sketch of a fantastic spaceship that resembles an insect.


Sketch of a fantastic spaceship that resembles an insect.





Sketches of insectile "organic rifles", culminating in a big fat termite that one simply cradles about and shoots like a living squirt-gun. I have no idea why a civilisation potent enough to mould insects into kinetic weapons would need to have rifles, but this was nevertheless a fun exercise.


Colour study, in pencil, for the "decal crature" that appears on the entrance page of this website.


Unreferenced sketch of an ichthyosaur, a type of prehistoric marine reptile.


Sketch of a Star Wars spaceship derived from Aegirocassis, a prehistoric marine invertebrate.


Sketch of a stocky, bird-and-turtle-like reptile playing with a ball. An exercise in speculative evolution.



Sketch of fully-aquatic predatory dinosaurs evolved from spinosaurs.
Not real animals, but an exercise in speculative evolution.


Doodle of a fly-like form.


Various creature-forms glimpsed in the images generated by the Ganbreeder algorithm.


Sketch of the prehistoric archosaur Poposaurus, from a skeletal drawing by the great Scott Hartman.


Make way seabird, the chonk creature (Chonkidon sp.) is coming! An exercise in speculative evolution.


Sketch of a moth drawn from real life, family Pyralidae - not Geometridae as the caption indicates.


An architectural fantasy.


Sketches of Metautarops and Pseudosymmetrognathus, oversize arthropods that evolved rodent-like bodyplans. These are not real animals, but products of an exercise in speculative evolution.


Sketch of a machine pistol produced from bone-like organic parts.


This image I produced in Ganbreeder formed the basis of the gun-snouted creature seen below.


Sketches chronicling the evolution of "flat amphibians" from a lineage of laterally-flattened lungfish.


Sketches of two fantastic tombstones.


Sketch of an "ancestral dinosaur"; a hypothetical form which may have given rise to all main groups of dinosaurs.


A portrait of Velociraptor, the famous bird-like predatory dinosaur.


Doodle of a big-brained dinosaur, an exercise in speculative evolution.


Pencil study of the early dinosaur Coelophysis.


Drawing of a lion-like animal fighting a snake-like animal, inspired by an old mural.


Collage sketch of a Bull of Apis, based on a 3-d render by my friend Mette Aumala.


Sketch of a hexapedal dream-woman.



The famous paradoxical Cambrian organism Opabinia re-designed as a vertebrate-like animal, after a concept by Julio Nicoletti.


Various sea monsters from Snaiad, alongside other creatures.


Sketch of an ancient flying reptile by the ruins of an arcane lost city.


A bird-like dream creature.


Sketches of "organic houses" arrayed on an alien plain.


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Contact c.m.kosemen@gmail.com for inquiries.

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