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* The Tromobrachids from ''WebOriginal/{{Snaiad}}'' have turned their front limbs into chewing "jaws", which funnel food directly to their chest-located mouths.
* In ''WebOriginal/{{Serina}}'', the tribbets are a group of terrestrial fish that adapted their pectoral fins and tail into functional legs, essentially becoming akin to three-legged frogs. Their later descendants, the tribbetheres, become far more mammal-like in appearance, though they possess seven digits on each front paw, and three toes on their single, tail-derived hind leg.
** One group of tribbets, the handfishes, greatly shortened their forearms, but instead lengthened two fingers on each forelimb.Eventually these fingers developed fingers of their own, giving rise to the six-limbed gibbets and simiagibs.
** There are also the serezelles, flightless quadrupedal deer-like birds that modified their wings into hoofed ungulate-like legs.

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* ''WebOriginal/{{Serina}}'': The tribbets are tripedal terrestrial descendants of guppies that modified their tails and pectoral fins into three walking limbs. Beyond that, the various tribbet lineages develop a number of very unusual limb arrangements.
** One lineage, the mammal-like tribbetheres, develop erect forearms with seven digits on each forepaw. One canithere species, the thylacine-like painted repandor, developed its single hind leg having a backwards-bending knee joint, and a downward-curved back that turns the hind leg into a spring to help launch the creature forward when running. Merwals, a type of aquatic canithere, have a tail fluke derived from its single hind leg, and thus still possesses an ankle and knee joint, almost resembling a person wearing a mermaid tail.
** The antlears are a group of circuagodonts -- herbivorous, ungulate-like tribbetheres -- that developed mobile, jointed antler-like limbs on their ears that they use to pull branches down to their mouths. The explanation for this is that the ears of tribbetheres have a bony matrix in them due to being derived from the gill plates of their fish ancestors, unlike the cartilaginous ears of Earth mammals. This gives them much better mobility and the ability to grip.
** Another group of tribbets entirely, the handfishes, shorten their forearms but lengthen their fingers instead, eventually turning their individual fingers into separate limbs themselves (becoming hexapedal with the former wrist becoming a double-shoulder joint).
* ''WebOriginal/{{Snaiad}}'':
The Tromobrachids from ''WebOriginal/{{Snaiad}}'' have turned their front limbs into chewing "jaws", which funnel food directly to their chest-located mouths.
* In ''WebOriginal/{{Serina}}'', the tribbets are a group of terrestrial fish that adapted their pectoral fins and tail into functional legs, essentially becoming akin to three-legged frogs. Their later descendants, the tribbetheres, become far more mammal-like in appearance, though they possess seven digits on each front paw, and three toes on their single, tail-derived hind leg.
** One group of tribbets, the handfishes, greatly shortened their forearms, but instead lengthened two fingers on each forelimb.Eventually these fingers developed fingers of their own, giving rise to the six-limbed gibbets and simiagibs.
** There are also the serezelles, flightless quadrupedal deer-like birds that modified their wings into hoofed ungulate-like legs.
mouths.
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* The ''WesternAnimation/SouthPark'' episode "Medicinal Fried Chicken" has a human example when Randy Marsh uses his balls as a hippity-hop after deliberately giving himself testicular cancer to get a prescription for medical cannabis.
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* Icthyosaurs, dolphin-like marine reptiles of the dinosaur age, evolved their forelimbs into paddles to aid in swimming. However, while dolphins retained five fingers inside each flipper, icthyosaurs sprouted ''extra digits in their flippers with some having as many as TEN digits on each flipper''. What's more, while most vertebrates only have three or four bones in each finger, icthyosaurs had as many as twelve bones in each digit: which, combined with the ungodly number of fingers to begin with, makes the skeletal structure of their foreflippers look less like a hand and more like some freakish cob of corn. Nobody is really sure why they evolved such unusual limbs, though a theory suggests it may have helped their flippers form a hydrofoil.

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* Icthyosaurs, Ichthyosaurs, dolphin-like marine reptiles of the dinosaur age, evolved their forelimbs into paddles to aid in swimming. However, while dolphins retained five fingers inside each flipper, icthyosaurs sprouted ''extra digits in their flippers with some having as many as TEN digits on each flipper''. What's more, while most vertebrates only have three or four bones in each finger, icthyosaurs had as many as twelve bones in each digit: which, combined with the ungodly number of fingers to begin with, makes the skeletal structure of their foreflippers look less like a hand and more like some freakish cob of corn. Nobody is really sure why they evolved such unusual limbs, though a theory suggests it may have helped their flippers form a hydrofoil.



* Octopuses are ''very'' good at manipulating objects with their tentacles. In fact, each tentacle has a tiny brain of its own, meaning that when an octopus wants to perform a task, the main brain simply commands the arm brain what to do-- and the arm itself figures out ''how'' to do it.

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* Octopuses are ''very'' good at manipulating objects with their tentacles. In fact, each tentacle has a tiny brain of its own, meaning that when an octopus wants to perform a task, the main brain simply commands the arm brain what to do-- and do--and the arm itself figures out ''how'' to do it.


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* Sideshow performer [[https://en.wikipedia.org/wiki/Johnny_Eck Johnny Eck]] (immortalised in the movie ''Film/{{Freaks}}'') was born with a truncated torso and useless vestigial legs small enough to be hidden under his clothes. He got around by walking on his hands.
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* Some monkeys and apes can use their tail and/or feet. New World monkeys in particular have tails adapted for grasping branches, functioning as a third hand of sorts when climbing in the treetops.

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* Some monkeys and apes can use their tail and/or feet. New World monkeys in particular have tails adapted for grasping branches, functioning as a third hand of sorts when climbing in the treetops. Orangutans are also adapted to living in trees, with arms long enough to be used like crutches when they have to move around on the ground.
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* The horn-like appendages of the Zerglings from ''VideoGame/StarCraft'' were revealed in the ''Remastered'' edition to actually be an extra pair of vaguely-humanoid arms emerging directly behind their heads, almost like ears.
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* Stitch from ''Disney/LiloAndStitch'' has an extra pair of [[RetractableAppendages retractable arms]] that according to WordOfGod have a collapsible humerus that allow them to fold up like switchblades and neatly tuck behind his ribcage when not in use.

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* Stitch from ''Disney/LiloAndStitch'' ''WesternAnimation/LiloAndStitch'' has an extra pair of [[RetractableAppendages retractable arms]] that according to WordOfGod have a collapsible humerus that allow them to fold up like switchblades and neatly tuck behind his ribcage when not in use.



* Icthyosaurs, dolphin-like marine reptiles of the dinosaur age, evolved their forelimbs into paddles to aid in swimming. However, while dolphins retained five fingers inside each flipper, icthyosaurs sprouted ''extra digits in their flippers with some having as many as TEN digits on each flipper''. What's more, while most veetebrates only have three or four bones in each finger, icthyosaurs had as many as twelve bones in each digit: which, combined with the ungodly number of fingers to begin with, makes the skeletal structure of their foreflippers look less like a hand and more like some freakish cob of corn. Nobody is really sure why they evolved such unusual limbs, though a theory suggests it may have helped their flippers form a hydrofoil.

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* Icthyosaurs, dolphin-like marine reptiles of the dinosaur age, evolved their forelimbs into paddles to aid in swimming. However, while dolphins retained five fingers inside each flipper, icthyosaurs sprouted ''extra digits in their flippers with some having as many as TEN digits on each flipper''. What's more, while most veetebrates vertebrates only have three or four bones in each finger, icthyosaurs had as many as twelve bones in each digit: which, combined with the ungodly number of fingers to begin with, makes the skeletal structure of their foreflippers look less like a hand and more like some freakish cob of corn. Nobody is really sure why they evolved such unusual limbs, though a theory suggests it may have helped their flippers form a hydrofoil.
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[[folder:Films -- Animated]]
* Stitch from ''Disney/LiloAndStitch'' has an extra pair of [[RetractableAppendages retractable arms]] that according to WordOfGod have a collapsible humerus that allow them to fold up like switchblades and neatly tuck behind his ribcage when not in use.
** The same applies to many of his 'cousins', most notably 627 who has ''four extra retractable arms'' for a grand total of six.
** On the non-experiment side, there is Pleakley, who has three stubby legs that make a distinctive rotating motion when he walks or runs.
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* ''ComicBook/WonderWoman1942'': While the Rykornians are PlantAliens and the females are large stationery stalks with long leaf-like tentacles the ambulatory males are small rhombus shaped beings whose only notably plant like parts are their four thin leaf-like limbs.

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* ''ComicBook/WonderWoman1942'': ''Franchise/WonderWoman'' [[ComicBook/WonderWoman1942 Vol 1]]: While the Rykornians are PlantAliens and the females are large stationery stalks with long leaf-like tentacles the ambulatory males are small rhombus shaped beings whose only notably plant like parts are their four thin leaf-like limbs.
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* ''Literature/KnownSpace'': Puppeteers use their two heads as hands. The heads' lips are made of little fingerlike tentacles. In effect, this means that puppeteers can see and taste with their hands.

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* ''Literature/KnownSpace'': Puppeteers use their two heads as hands. The heads' lips are made of little fingerlike tentacles.finger-like fleshy lobes, and their slender tongues further enhance their dexterity. In effect, this means that puppeteers can see and taste with their hands.
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* Icthyosaurs, dolphin-like marine reptiles of the dinosaur age, evolved their forelimbs into paddles to aid in swimming. However, while dolphins retained five fingers inside each flipper, icthyosaurs sprouted ''extra digits in their flippers with some having as many as TEN digits on each flipper''. What's more, while most veetebrates only have three or four bones in each finger, icthyosaurs had as many as twelve bones in each digit: which, combined with the ungodly number of fingers to begin with, makes the skeletal structure of their foreflippers look less like a hand and more like some freakish cob of corn. Nobody is really sure why they evolved such unusual limbs, though a theory suggests it may have helped their flippers form a hydrofoil.
Is there an issue? Send a MessageReason:
None

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* ''ComicBook/WonderWoman1942'': While the Rykornians are PlantAliens and the females are large stationery stalks with long leaf-like tentacles the ambulatory males are small rhombus shaped beings whose only notably plant like parts are their four thin leaf-like limbs.
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* In ''VideoGame/OriAndTheWillOfTheWisps'', the [[AnimalisticAbomination mutant/zombie/demon owl]] BigBad Shriek walks on her exposed wingbone tips Sebulba-style, allowing the use of her talons as makeshift hands.

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* In ''VideoGame/OriAndTheWillOfTheWisps'', the [[AnimalisticAbomination mutant/zombie/demon owl]] BigBad Shriek walks on her exposed wingbone tips elongated wing digits Sebulba-style, allowing the use of her talons as makeshift hands.
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* Some monkeys and apes can use their tail and/or feet. Old World monkeys in particular have tails adapted for grasping branches, functioning as a third hand of sorts when climbing in the treetops.

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* Some monkeys and apes can use their tail and/or feet. Old New World monkeys in particular have tails adapted for grasping branches, functioning as a third hand of sorts when climbing in the treetops.

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* Octopuses are ''very'' good at manipulating objects with their tentacles.
* Most arthropods use both their legs and mandibles for manipulation.
* Some monkeys and apes can use their tail and/or feet.

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* Octopuses are ''very'' good at manipulating objects with their tentacles.
tentacles. In fact, each tentacle has a tiny brain of its own, meaning that when an octopus wants to perform a task, the main brain simply commands the arm brain what to do-- and the arm itself figures out ''how'' to do it.
* Most arthropods use both their legs and mandibles for manipulation.
manipulation. Most notably, scorpions: their trademark pincers are modifed from mouthparts called pedipalps.
* Some monkeys and apes can use their tail and/or feet. Old World monkeys in particular have tails adapted for grasping branches, functioning as a third hand of sorts when climbing in the treetops.
* While kangaroos hop on two legs when moving quickly, when walking at a slower pace they use a unique swinging gait that makes use of the hind legs alternating with the arms ''and'' tail, essentially making the kangaroo the only vertebrate animal alive today that walks with an odd number of limbs.
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* In ''VideoGame/OriAndTheWillOfTheWisps'', the [[AnimalisticAbomination mutant/zombie/demon owl]] BigBad Shriek walks on her wing tips Sebulba-style, allowing the use of her talons as makeshift hands.

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* In ''VideoGame/OriAndTheWillOfTheWisps'', the [[AnimalisticAbomination mutant/zombie/demon owl]] BigBad Shriek walks on her wing exposed wingbone tips Sebulba-style, allowing the use of her talons as makeshift hands.
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* In ''VideoGame/OriAndTheWillOfTheWisps'', the [[AnimalisticAbomination mutant/zombie/demon owl]] BigBad Shriek walks on her wing tips Sebulba-style, allowing the use of her talons as makeshift hands.

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* The flightless bats in ''Literature/AfterManAZoologyOfTheFuture'' have played this trope to full effect, with some, such as the slothlike Shalloth, using its former wings as webbed, gripping hands, while others, like the predatory Nightstalker, actually walk around on their arms while using their hind legs as arms.



* In ''Literature/TheFutureIsWild'', 200 million years in the future, and all mammals have become extinct. Their replacements are terrestrial cephalopods known as Terrasquids. Some, such as the elephant-like Megasquid, walk about on eight pillar-like tentacles (which have no bones and instead support its weight with contracted muscle), while others, such as the monkey-like Squibbon, use their tentacles to swing about in the treetops.



* ''Franchise/Pokemon'' has quite a few examples, most notably Hydreigon, a dragon whose hands contain smaller brainless heads that are used for eating or attacking.

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* ''Franchise/Pokemon'' ''Franchise/{{Pokemon}}'' has quite a few examples, most notably Hydreigon, a dragon whose hands contain smaller brainless heads that are used for eating or attacking.


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* The Tromobrachids from ''WebOriginal/{{Snaiad}}'' have turned their front limbs into chewing "jaws", which funnel food directly to their chest-located mouths.
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* The monkey-like Prolemuris from ''Film/{{Avatar}}'' are a missing link between the four-limbed sapient Na'vi and the rest of the six-limbed Pandoran wildlife. Strangely, their arms are partly fused, having a single shoulder and humerus but bifurcating at the elbow joint.

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* The gyrosprinter in ''Literature/Expedition'' is a two-legged antelope-like alien herbivore from the planet Darwin IV, with one front leg and one hind leg, seemingly from its front and back legs fusing together. Despite this seemingly unstable configuration the gyrosprinter evolved highly-efficient balance organs, becoming Darwin IV's fastest land animal.

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* The gyrosprinter in ''Literature/Expedition'' ''Literature/{{Expedition}}'' is a two-legged antelope-like alien herbivore from the planet Darwin IV, with one front leg and one hind leg, seemingly from its front and back legs fusing together. Despite this seemingly unstable configuration the gyrosprinter evolved highly-efficient balance organs, becoming Darwin IV's fastest land animal.animal.
** There is also the Emperor Sea Strider, a massive bipedal creature that roams the Amoebic Sea: an immense, gelatinous superorganism covering a tenth of the planet's surface. As it feeds on this gelatinous material to support its great bulk, the Sea Strider has ''mouths located on its feet'', taking bites out of the "sea" with every step.
** Forest Sliders are born quadrupeds, but as they grow and mature, their back legs atrophy and are shed as a bony skid replaces them.
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This trope is when a non-human being has an unusual type of limb that does duty as a hand or foot. Or even as other things. Tentacles, prehensile tongues, pseudopods... you name it, somebody's written about it.

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This trope is when a non-human being has an unusual type of limb that does duty as a hand or foot. Or even as other things. Tentacles, [[MultipurposeTongue prehensile tongues, tongues]], pseudopods... you name it, somebody's written about it.
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* ''Franchise/Pokemon'' has quite a few examples, most notably Hydreigon, a dragon whose hands contain smaller brainless heads that are used for eating or attacking.
Is there an issue? Send a MessageReason:
None

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* The gyrosprinter in ''Literature/Expedition'' is a two-legged antelope-like alien herbivore from the planet Darwin IV, with one front leg and one hind leg, seemingly from its front and back legs fusing together. Despite this seemingly unstable configuration the gyrosprinter evolved highly-efficient balance organs, becoming Darwin IV's fastest land animal.
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* Some of the kaiju in ''Film/PacificRim'' have two seperate forearms attached to a single hand, making it look like their radius and ulna are splitting apart.


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** One group of tribbets, the handfishes, greatly shortened their forearms, but instead lengthened two fingers on each forelimb.Eventually these fingers developed fingers of their own, giving rise to the six-limbed gibbets and simiagibs.
** There are also the serezelles, flightless quadrupedal deer-like birds that modified their wings into hoofed ungulate-like legs.
Is there an issue? Send a MessageReason:
None


* In ''WebOriginal/Serina'', the tribbets are a group of terrestrial fish that adapted their pectoral fins and tail into functional legs, essentially becoming akin to three-legged frogs. Their later descendants, the tribbetheres, become far more mammal-like in appearance, though they possess seven digits on each front paw, and three toes on their single, tail-derived hind leg.

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* In ''WebOriginal/Serina'', ''WebOriginal/{{Serina}}'', the tribbets are a group of terrestrial fish that adapted their pectoral fins and tail into functional legs, essentially becoming akin to three-legged frogs. Their later descendants, the tribbetheres, become far more mammal-like in appearance, though they possess seven digits on each front paw, and three toes on their single, tail-derived hind leg.
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[[folder:Web Original]]
* In ''WebOriginal/Serina'', the tribbets are a group of terrestrial fish that adapted their pectoral fins and tail into functional legs, essentially becoming akin to three-legged frogs. Their later descendants, the tribbetheres, become far more mammal-like in appearance, though they possess seven digits on each front paw, and three toes on their single, tail-derived hind leg.
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Common variations include extra joints in limbs, or an odd number of limbs, [[TripodTerror usually three.]]
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For other types of strange appendages, see ArtificialLimbs and CombatTentacles. Subtrope of BizarreAlienBiology; may be a sister trope to BizarreAlienLocomotion, if legs are involved. Supertrope to PrehensileTail, PrehensileHair, and MultipurposeTongue. May result in OperatorIncompatibility for other species.

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For other types of strange appendages, see ArtificialLimbs ArtificialLimbs, CombatTentacles and CombatTentacles.MultiArmedAndDangerous. Subtrope of BizarreAlienBiology; may be a sister trope to BizarreAlienLocomotion, if legs are involved. Supertrope to PrehensileTail, PrehensileHair, and MultipurposeTongue. May result in OperatorIncompatibility for other species.
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** [[FusionDance Gem fusions]] often have [[MultiArmedAndDangerous extras pairs of arms]]. Smoky Quartz, the fusion of [[spoiler:[[HalfHumanHybrid Steven]] and Amethyst]], has one regular arm and one arm that branches into two at the elbow. Conversely, a fusion of two Jades is seen that has two pairs of upper arms, and each pair merges into a single forearm (with a [[ExtraDigits six-fingered hand]]).

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** [[FusionDance Gem fusions]] often have [[MultiArmedAndDangerous extras pairs of arms]]. Sugilite's two pairs of arms branch apart from each other halfway along the upper arm. Smoky Quartz, the fusion of [[spoiler:[[HalfHumanHybrid Steven]] and Amethyst]], Quartz also has one regular arm and one arm that branches into two at the elbow. Conversely, a ''elbow'', [[FashionableAsymmetry but their other arm remains singular]]. A fusion of two Jades is seen that has two pairs of upper arms, and each pair merges into a single forearm (with a [[ExtraDigits six-fingered hand]]).
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* The Heptapods from ''Film/Arrival'' have seven limbs, arranged radially around their bodies [[StarfishAliens like a starfish]]. Each of the seven legs can open up into a star-shaped, seven-fingered hand, out of which they can produce a squid-ink like substance which they use to communicate.

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* The Heptapods from ''Film/Arrival'' ''{{Film/Arrival}}'' have seven limbs, arranged radially around their bodies [[StarfishAliens like a starfish]]. Each of the seven legs can open up into a star-shaped, seven-fingered hand, out of which they can produce a squid-ink like substance which they use to communicate.

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