Krillion prompt · October 12, 2026
Name a body part animals have but humans don't (like wings)
Krillion accepted 844 answers for this prompt in Dive #89. They’re all below, starting at the trench floor with the gems and rising to the Plankton everyone thinks of first.
Test a guess
Thinking of playing? Test a word before you look.
Notes on this prompt
- With 844 accepted answers, this prompt is about 1.6 times wider than a typical Krillion prompt (about 541).
- 703 answers (83%) are Deep Cuts and 107 are Rare, while 9 sit at Plankton.
Quick picks
The shortest Rare or deeper answers, easy to type before the timer runs out.
Comb +60 Crop +60 Hock +60
Also accepted elsewhere
The same answer counted for a different prompt in the archive.
Every accepted answer
One in a Krillion
The gem picked for each prompt. Trench floor.
- Aristotle's lantern
A sea urchin's five-toothed chewing jaw, described by Aristotle.
- Love dart
Snails fire a calcium dart into each other before mating.
Deep Cut
Real obscurity. This is where the list gets long.
- Abdominal pores
- Abomasum
- Aboral organ
- Acarinarium
- Accessory olfactory bulb
- Accessory pulsatile organs
- Acicula
- Acidopore
- Acontia
- Acrorhagi
- Actinosts
- Adhesive papillae
- Adipose eyelid
- Adipose fin
- Aedeagus
- Aesthetascs
- Aesthetes
- Afterfeather
- Alar thorns
- Albumen gland
- Alula
- Ambulacral grooves
- Amphids
- Ampullae (starfish)
- Ampullae of Lorenzini
- Anal comb
- Anal papillae
- Anal tubercle
- Androconia
- Andropodium
- Annuli
- Antebrachial gland
- Antenna cleaner
- Antenniform legs
- Antennules
- Antler pedicle
- Apodemes
- Apron (crab)
- Aquiferous system
- Archaeocytes
- Arista
- Arolium
- Atriopore
- Avicularia
- Axial organ
- Bacteriomes
- Balancers
- Barbules
- Barrel (horse)
- Bars (hoof)
- Bars of the mouth
- Basiphallus
- Basipodium
- Baubellum
- Bidder's organ
- Bill knob
- Bill lamellae
- Bill tip organ
- Book gills
- Book lungs
- Bothria
- Brachidium
- Brachiopod pedicle
- Branchial basket
- Branchial hearts
- Branchiostegal lung
- Branchiostegal rays
- Branchiostegite
- Breeding tubercles
- Bridge (turtle shell)
- Brille
- Brisket
- Brockmann bodies
- Brood patch
- Buccal mass
- Buckler
- Bulbus arteriosus
- Bulbus glandis
- Bursa copulatrix
- Bursa of Fabricius
- Byssal gland
- Caecilian tentacle
- Calamistrum
- Calcar
- Callosities
- Calypters
- Campaniform sensilla
- Cannon bone
- Carnassials
- Carpal glands
- Carpal whiskers
- Carpometacarpus
- Caruncles
- Casque
- Castor sacs
- Caudal keels
- Caudal lamellae
- Caudal mucous pit
- Caudal peduncle
- Cement glands
- Central disc
- Cephalic fins
- Cephalofoil
- Cerata
- Ceratotrichia
- Cere
- Chaetosemata
- Cheek flanges
- Chelicerae
- Chestnut (horse)
- Chevron bones
- Chewing pad
- Chin gland
- Chin groove
- Chiton girdle
- Chloragogen tissue
- Choanocyte chambers
- Choanocytes
- Chordotonal organs
- Chromatophores
- Cibarium
- Cirri
- Claspers
- Clausilium
- Cleithrum
- Clitellum
- Cloacal bursae
- Cloacal protuberance
- Clypeus
- Cnidosacs
- Coelomocytes
- Coenosarc
- Coffin bone
- Colloblasts
- Collophore
- Colpocoxite
- Colulus
- Columella (shell)
- Columella auris
- Comb rows
- Connexivum
- Conscutum
- Conus papillaris
- Coracoid
- Corallite
- Cornicles
- Corona (rotifer)
- Coronet band
- Corpora allata
- Corpora cardiaca
- Corpuscles of Stannius
- Corselet
- Costal grooves
- Coupling
- Coverts
- Coxa
- Coxal glands
- Coxite
- Coxosternite
- Cremaster (pupa)
- Cribellum
- Crochets
- Croup
- Crystalline style
- Ctenidia
- Culmen
- Cuvierian tubules
- Cymbium
- Cystid
- Dactyl club
- Dendritic organ
- Dental pad
- Dermal denticles
- Diductor muscles
- Digital cushion
- Distiphallus
- Dock (tail)
- Dorsal gland
- Dorsal vessel
- Dorsolateral folds
- Dufour's gland
- Dulla
- Duvernoy's gland
- Ear coverts
- Eimer's organs
- Empodium
- Endites
- Endometrial cups
- Endophallus
- Endopod
- Endostyle
- Epibranchial organ
- Epigonal organ
- Epigyne
- Epimeron
- Epiphallus
- Epipharyngeal groove
- Epiproct
- Epipubic bones
- Epistome
- Epural
- Ergot (horse)
- Esophageal groove
- Euplantulae
- Eversible stomach
- Exite
- Exopod
- Eye ring
- Eye sacs
- Eyespots
- Facial disc
- False head
- Fat body
- Fat tail
- Feather barbs
- Feather shaft
- Feather tracts
- Feathering
- Femoral pores
- Femoral spurs
- Festoons
- Filoplumes
- Fin rays
- Fin spines
- Finfold
- Finlets
- Flame cells
- Flank glands
- Flea combs
- Flews
- Foramen of Panizza
- Forcipules
- Forequarters
- Fossorial forelegs
- Frenulum (moth)
- Frog of the hoof
- Frontal eye
- Frontal filaments
- Frontal gland
- Frontal shield
- Funnel organ
- Funnel-mantle locking apparatus
- Furca
- Ganoid scales
- Gape flange
- Gas gland
- Gaskin
- Gaster
- Gastralia
- Gastric caeca
- Gastric mill
- Gastrovascular cavity
- Genital bursae
- Ghara
- Gill arches
- Gill rakers
- Gladius
- Glossa
- Glossohyal
- Glycogen body
- Gnathobases
- Gnathosoma
- Gonapophyses
- Gonocoxites
- Gonophores
- Gonopodium
- Gonopods
- Gonostyli
- Gonozooids
- Gonys
- Gorget
- Grandry corpuscles
- Green gland
- Grooming claw
- Gular fold
- Gular plate
- Guttural pouch
- Gynosome
- Hair pencils
- Hair plates
- Haller's organ
- Halteres
- Hamuli (wing hooks)
- Hancock's organ
- Harderian gland
- Harpagones
- Hatschek's pit
- Head clasper
- Head kidney
- Headshield
- Heater organ
- Hectocotylus
- Heel bulbs
- Hemelytra
- Hemiclitores
- Hemocoel
- Henry's pocket
- Hepatopancreas
- Herbst corpuscles
- Hesse organs
- Hindquarters
- Hinge (bivalve)
- Hock gland
- Hoof wall
- Hooks and pins
- Horn boss
- Hyoid bulla
- Hyomandibula
- Hypobranchial gland
- Hypopharyngeal glands
- Hypostome
- Hypotarsus
- Hypural plate
- Imaginal discs
- Infrabuccal pocket
- Integumentary sense organs
- Interbrachial web
- Interbranchial lymphoid tissue
- Interclavicle
- Interdigital gland
- Iridophores
- Iris lappet
- Ischial callosities
- Johnston's organ
- Joseph cells
- Jugular groove
- Jugum
- Junk (sperm whale)
- Keel
- Kenozooids
- Keratodonts
- Knollenorgans
- Koschevnikov gland
- Kype
- Labellum
- Labial mask
- Labium (insect)
- Labrum (insect)
- Labyrinth organ
- Lagena
- Lappets
- Lateral cartilages (hoof)
- Laterotergite
- Leg gears (planthopper)
- Leucophores
- Leydig's organ
- Living chamber
- Lobed toes
- Lobopods
- Lophophore
- Lores
- Lymph hearts
- Lyriform organs
- Madreporite
- Malpighian tubules
- Mandibular glands (insect)
- Mantle canals
- Mantle cavity
- Manubrium (jellyfish)
- Mastax
- Maxillae (insect)
- Maxillary palps
- Maxillipeds
- Mediotergite
- Medullary bone
- Merus
- Mesenterial filaments
- Mesocoracoid
- Mesoglea
- Mesohyl
- Mesonotum
- Mesophallus
- Mesosoma
- Mesothorax
- Metanotum
- Metapleural folds
- Metapleural gland
- Metatarsal gland
- Metathorax
- Mite pockets
- Mormyromasts
- Mouth brushes
- Mouth hooks
- Mushroom bodies
- Mycangia
- Myomeres
- Naricorns
- Nasal bouquets
- Nasal rosette
- Nasal sac
- Nasal tentacles
- Nasolabial grooves
- Nasonov gland
- Nasus
- Natatory fringes
- Naupliar eye
- Needham's sac
- Nematosomes
- Nephridia
- Nerve net
- Neural gland
- Nidamental gland
- Nose-leaf
- Notarium
- Notochord
- Notum
- Nuchal crest
- Nuchal glands
- Nuchal hump
- Nuchal organs
- Nuptial pads
- Ocelli
- Ocularium
- Odontodes
- Odontophore
- Oka organ
- Omasum
- Ommatidia
- Oostegites
- Opercular spines
- Opisthosoma
- Optic glands
- Oral arms
- Oral disc
- Oral hood
- Oral papillae (velvet worm)
- Orbital hood
- Organ of Bojanus
- Organ of Tömösváry
- Os cordis
- Osculum
- Osmeterium
- Osphradium
- Ostia (sponge)
- Ovicell
- Oviger
- Ozopores
- Palatal valve
- Pallial lung
- Palpal bulb
- Palpebral bone
- Palps
- Papulae
- Parabronchi
- Paracoxite
- Parameres
- Paranota
- Parapodia
- Parotoid glands
- Pastern
- Paxillae
- Pecten (bird eye)
- Pectinate claw
- Pectines
- Pectoral tufts
- Pedal disc
- Pedicel (spider waist)
- Pedicellariae
- Pedipalps
- Peduncle (barnacle)
- Pelvic spurs
- Penile spines
- Pereion
- Pereiopods
- Peribranchial cavity
- Perineal gland
- Periople
- Periostracum
- Peristomium
- Peritrophic matrix
- Petasma
- Petiole
- Phallapodeme
- Phallobase
- Pharyngeal pouch (elephant)
- Pharyngeal pouches (walrus)
- Pharyngeal teeth
- Phasmids (nematode)
- Pheromone glands
- Phonic lips
- Phragmocone
- Pin feathers
- Pinacocytes
- Pinnules
- Piston cartilage
- Plastral hinge
- Pleopodal lungs
- Pleural arch
- Pleurite
- Pneumatic duct
- Pneumatophore
- Pneumostome
- Podomere
- Polian vesicles
- Poll
- Pollen press
- Polypide
- Porocytes
- Postcornual gland
- Postgonite
Rare
Genuinely uncommon. A strong pick on any prompt.
- Adhesive toe pads
- Air sacs
- Anal fin
- Anal glands
- Baculum
- Baleen
- Barb (stingray)
- Barbels
- Bell (jellyfish)
- Blubber
- Bristles
- Caudal fin
- Cephalothorax
- Cerci
- Cheek pouches
- Cloaca
- Comb
- Compound eyes
- Corkscrew penis
- Crest
- Crop
- Cuttlebone
- Dewclaw
- Dewlap
- Dorsal fin
- Ear tufts
- Egg tooth
- Electric organ
- Elytra
- Exoskeleton
- Eyestalks
- Fetlock
- Fleece
- Flukes
- Forelegs
- Forked tongue
- Frill
- Gill slits
- Gizzard
- Gular pouch
- Hackles
- Hemipenes
- Hind legs
- Hock
- Hollow bones
- Hood
- Ink sac
- Jacobson's organ
- Lateral line
- Lure (anglerfish)
- Mandibles
- Mantle
- Melon
- Musk gland
- Nematocysts
- Operculum
- Ossicones
- Osteoderms
- Ovipositor
- Parietal eye
- Patagium
- Paw pads
- Pectoral fins
- Pelvic fins
- Pharyngeal jaws
- Photophores
- Pit organs
- Plastron
- Pleon
- Poison glands
- Pollen basket
- Preen gland
- Primordial pouch
- Proboscis
- Pseudo-penis
- Raptorial forelegs
- Rattle
- Rhinarium
- Rostrum
- Ruff
- Rumen
- Scent glands
- Scutes
- Sexual swelling
- Siphon
- Slime glands
- Snood
- Spinnerets
- Spiracles
- Spurs
- Suckers
- Swim bladder
- Swimmerets
- Syrinx
- Tail feathers
- Tapetum lucidum
- Third eyelid
- Train (peacock)
- Tube feet
- Turkey beard
- Udder
- Urticating hairs
- Venom gland
- Vocal sac
- Wattles
- Wishbone
- Withers
Schooler
Solid, but you’re swimming with the crowd.
- Antennae
- Antlers
- Blowhole
- Fangs
- Flippers
- Hooves
- Hump
- Mane
- Paws
- Pincers
- Pouch
- Quills
- Scales
- Shell
- Snout
- Spines
- Stinger
- Talons
- Tentacles
- Trunk
- Tusks
- Webbed feet
- Whiskers
Plankton
The first thing everyone thinks of.
- Beak
- Claws
- Feathers
- Fins
- Fur
- Gills
- Horns
- Tail
- Wings