cirroteuthids
plural of cirroteuthid

cissid
Any beetle in the former family Cissidae, a synonym for the Ciidae.

cissids
plural of cissid

cistecephalid
Any extinct mammal-like reptile in the family Cistecephalidae.

cistecephalids
plural of cistecephalid

citharid
Any fish in the family Citharidae.

citharids
plural of citharid

citharinid
Any fish in the family Citharinidae, the lutefish.

citharinids
plural of citharinid

cladiellane
Any of a class of diterpenes found in the coral Cladiella australis.

cladiellanes
plural of cladiellane

cladoselachian
Any of the genus †Cladoselache of extinct cartilaginous fish.

cladoselachians
plural of cladoselachian

cladoselachid
Any cartilaginous fish in the family Cladoselachidae.

cladoselachids
plural of cladoselachid

clariid
Any catfish in the family Clariidae.

clariids
plural of clariid

claroteid
Any catfish in the family Claroteidae.

claroteids
plural of claroteid

clathrinid
Any sponge in the family Clathrinidae.

clathrinids
plural of clathrinid

clausidiid
Any copepod in the family Clausidiidae.

clausidiids
plural of clausidiid

clausiid
Any copepod in the family Clausiidae.

clausiids
plural of clausiid

clausiliid
Any snail in the family Clausiliidae.

clavagellid
Any bivalve in the family Clavagellidae.

clavagellids
plural of clavagellid

clavatulid
Any sea snail in the family Clavatulidae.

clavatulids
plural of clavatulid

clavelinid
Any tunicate in the family Clavelinidae.

clavelinids
plural of clavelinid

clavulariid
Any soft coral of the family Clavulariidae

clavulariids
plural of clavulariid

cleg
a blood-sucking fly of the family Tabanidae: gadfly, horsefly, deer fly, blind-fly, tabanid

clegs
plural of cleg

cleidothaerid
Any bivalve in the family Cleidothaeridae.

cleidothaerids
plural of cleidothaerid

clerid
A beetle in the family Cleridae.

clerids
plural of clerid

clevosaur
An extinct sphenodontian reptile of the genus Clevosaurus.

clevosaurid
Any extinct reptile in the family Clevosauridae; a clevosaur

clevosaurids
plural of clevosaurid

clevosaurs
plural of clevosaur

climacoceratid
Any extinct mammal in the family Climacoceratidae, which were deer-like relatives of the giraffe.

climacoceratids
plural of climacoceratid

climacterid
Any bird in the family Climacteridae, an Australasian treecreeper.

climacterids
plural of climacterid

climatiid
Any extinct cartilaginous fish of the family †Climatiidae

climatiids
plural of climatiid

clinid
Any fish in the family Clinidae.

clinids
plural of clinid

clinostome
Any cyprinid fish (dace) of the genus Clinostomus

clinostomes
plural of clinostome

clisospirid
Any sea snail in the family Clisospiridae.

clisospirids
plural of clisospirid

clitellate
Any annelid worm of the class Clitellata.

cloacinid
Any nematode of the genus Cloacina

cloacinids
plural of cloacinid

cloudinid
Any extinct animal in the family Cloudinidae.

cloudinids
plural of cloudinid

clubionid
Any spider in the family Clubionidae.

clubionoid
Any spider of the family Clubionidae.

clubionoids
plural of clubionoid

clupeid
Any of many soft-finned fish of the family Clupeidae.

clupeids
plural of clupeid

clusiid
Any fly of the family Clusiidae.

clusiids
plural of clusiid

clypeasteroid
Any echinoderm of the order Clypeasteroida of sand dollars.

clypeasteroids
plural of clypeasteroid

clypeosectid
Any gastropod in the family Clypeosectidae, which is now known as the Lepetodrilidae.

clypeosectids
plural of clypeosectid

cnidopsin
Any of a family of opsins found in cnidarian jellyfish

cnidopsins
plural of cnidopsin

cobitid
Any fish in the family Cobitidae.

cobitids
plural of cobitid

cobswan
A large male swan.

cobswans
plural of cobswan

coccolithophorid
coccolithophore

coccolithophoride
Alternative form of coccolithophorid.

coccolithophorids
plural of coccolithophorid

cocculinellid
Any gastropod in the family Cocculinellidae.

cocculinellids
plural of cocculinellid

cocculinid
Any gastropod in the family Cocculinidae.

cocculinids
plural of cocculinid

cochliodont
Any extinct fish of the order †Cochliodontiformes

cochliodonts
plural of cochliodont

cockbird
The male of a game bird, especially of a pheasant.
The male of any bird.

cockbirds
plural of cockbird

cockerel
A young male chicken.

cockerels
plural of cockerel

coelacanthid
Any of the extinct coelacanth fish in the family Coelacanthidae.

coelacanthids
plural of coelacanthid

coelacanthoid
Any extinct fish of the suborder †Coelacanthoidei

coelacanthoids
plural of coelacanthoid

coelenterate
Any simple aquatic animal formerly considered to belong to the phylum Coelenterata, now divided into the cnidarians and ctenophores.

coelhelminth
Any annelid of the phylum Coelhelminthes

coelhelminths
plural of coelhelminth

coelostomidiid
Any scale insect of the family Coelostomidiidae

coelostomidiids
plural of coelostomidiid

coelurosauravid
Any extinct diapsid reptile in the family †Coelurosauravidae, a synonym of the †Weigeltisauridae.

coelurosauravids
plural of coelurosauravid

coenagrionid
Any damselfly in the family Coenagrionidae.

coenagrionids
plural of coenagrionid

coenobitid
Any crustacean in the family Coenobitidae.

coenobitids
plural of coenobitid

coenomyiid
Any fly in the family Coenomyiidae, now considered to be the xylophagid subfamily Coenomyiinae.

coenomyiids
plural of coenomyiid

coerebid
Any bird in the family Coerebidae, often considered part of the Thraupidae.

coerebids
plural of coerebid

coleiid
Any extinct crustacean in the family Coleiidae.

coleiids
plural of coleiid

colembolan
Alternative form of collembolan.

colembolans
plural of colembolan

coleophorid
Any moth in the family Coleophoridae.

coleophorids
plural of coleophorid

coleopteran
Any insect of the order Coleoptera; includes the beetles, weevils and fireflies

coleopterans
plural of coleopteran

coliadine
Any butterfly in the subfamily Coliadinae.

collembolan
Any insect of the order Collembola, the springtails.

collembolans
plural of collembolan

colloniid
Any gastropod in the family Colloniidae.

colloniids
plural of colloniid

colobine
Any Old World monkey of the subfamily Colobinae.

colobines
plural of colobine

colobodontid
Any extinct fish in the family Colobodontidae.

colobodontids
plural of colobodontid

colombellinid
Any extinct sea snail in the family Colombellinidae.

colombellinids
plural of colombellinid

coloneless
A female colonel.
The wife of a colonel.

colonelesses
plural of coloneless

colossendeid
Any sea spider in the family Colossendeidae.

colossendeids
plural of colossendeid

colubrariid
Any sea snail in the family Colubrariidae.

colubrariids
plural of colubrariid

colubrid
Any snake in the family Colubridae, completely covered in scales and mostly nonvenomous.

columbariid
Any sea snail in the family Columbariidae.

columbariids
plural of columbariid

columbellid
Any snail of the family Columbellidae.

columbellids
plural of columbellid

colydiid
Any beetle in the family Colydiidae, now considered to be the zopherid subfamily Colydiinae.

colydiids
plural of colydiid

comatulid
Any crinoid of the genus Antedon or allied genera in order Comatulida; a feather star.

comatulids
plural of comatulid

commanderess
A female commander.

commanderesses
plural of commanderess

commandress
Alternative form of commanderess.

commandresses
plural of commandress

conchaspidid
Any scale insect in the family Conchaspididae.

conchaspidids
plural of conchaspidid

conchostracan
Any clam shrimp of the former order Conchostraca.

conchostracans
plural of conchostracan

concostracan
Misspelling of conchostracan.

condylocardiid
Any bivalve in the family Condylocardiidae.

condylocardiids
plural of condylocardiid

confuciusornithid
Any extinct bird in the family Confuciusornithidae.

confuciusornithids
plural of confuciusornithid

congiopodid
Any fish in the family Congiopodidae.

congiopodids
plural of congiopodid

coniasaur
Any extinct varanoid lizard of the genus Coniasaurus.