gasterophilids
plural of gasterophilid

gastrocotylinean
Any trematode of the suborder Gastrocotylinea.

gastrocotylineans
plural of gastrocotylinean

gastromyzontid
Any loach in the family Gastromyzontidae, sometimes called hillstream loaches.

gastromyzontids
plural of gastromyzontid

gavelinellid
A foraminifer of the family Gavelinellidae.

gavelinellids
plural of gavelinellid

gavialoid
Any crocodylian of the superfamily Gavialoidea

gavialoids
plural of gavialoid

gazid
gastropod in the family Gazidae, now known as the Margaritidae.

gazids
plural of gazid

geckolet
Any of various small geckos in the Sphaerodactylus genus

geckolets
plural of geckolet

generitype
type species

generitypes
plural of generitype

genomospecies
A species characterised by its DNA alone

genorheithra
plural of genorheithrum

genorheithrum
A stream of migration of genes or a genus.

genorheitra
plural of genorheitron

genorheitron
Alternative form of genorheithrum.

genospecies
A species (group of organisms that can interbreed) identified and characterised by means of genetics.

geobiont
Any organism that lives in the soil

geobionts
plural of geobiont

geophylogenies
plural of geophylogeny

geophylogeny
spatially-referenced phylogeny

geoplankton
A microorganism that lives in the spacess between soil particles and rocks.

geoplanktons
plural of geoplankton

germanderwort
A liverwort of the genus Riccardia.

germosporangia
plural of germosporangium

germosporangium
A sporangium that contains germspores

glaucid
Any nudibranch in the family Glaucidae.

glaucids
plural of glaucid

globetail
Any of the hoverflies of the genus Sphaerophoria, having large hemispherical male terminalia.

globidontan
Any alligatoroid of the clade Globidonta

globidontans
plural of globidontan

globorotalid
Alternative form of globorotaliid.

globorotalids
plural of globorotalid

globorotaliid
Any foraminifer of the family Globorotaliidae

globorotaliids
plural of globorotaliid

globotruncanid
A foraminiferan of the family Globotruncanidae

globotruncanids
plural of globotruncanid

gloiospora
A conidium that is aggregated in slimy heads at the tip of an annellide or a phialide.

glossoscolecid
Any earthworm of the family Glossoscolecidae.

glossoscolecids
plural of glossoscolecid

glucofrangulin
A monohydroxyanthraquinone found in Frangula alnus.

glyptodont
Any edentate of an extinct clade of South American armadillos which is identified either as family †Glyptodontidae or as subfamily †Glyptodontinae of family Chlamyphoridae.

glyptodonts
plural of glyptodont

gnateater
Any of the South and Central American passerine birds in the family Conopophagidae.

gobiesociform
Any clingfish of the order Gobiesociformes

gobiesociforms
plural of gobiesociform

goerid
Any caddisfly of the family Goeridae.

goerids
plural of goerid

goji
A fruit in the genus Lycium, especially in commercial products where it is promoted as a superfruit.

gojiberry
Alternative form of goji berry.

gojis
plural of goji

goldfinnies
plural of goldfinny

goldfinny
One of two or more species of European labroid fishes, Symphodus melops and Ctenolabrus rupestris.

gonidangia
plural of gonidangium

gonidangium
A sporangium that produces gonidia.

gonidiophore
A sporophore that bears a gonidium.

goniodomatacean
Any dinoflagellate of the family Goniodomataceae

goniodomataceans
plural of goniodomatacean

goniomonad
Any cryptomonad of the class Goniomonadea

goniomonads
plural of goniomonad

goniopholidid
Any in the family †Goniopholididae of extinct reptiles, related to the crocodilians.

goniopholidids
plural of goniopholidid

gonochorism
The situation in which the individuals of a species are of one of at least two distinct sexes, and retain that sexuality throughout their lives.

gonochorismus
Obsolete form of gonochorism.

gonochorist
Any individual of a species that exhibits gonochorism

gonochorists
plural of gonochorist

gonococci
plural of gonococcus

gonococcus
Any of the bacteria (Neisseria gonorrhoeae) that are responsible for gonorrhea.

gonyleptid
Any harvestman of the family Gonyleptidae.

gonyleptids
plural of gonyleptid

gonyleptoid
Any harvestman of the superfamily Gonyleptoidea.

gonyleptoids
plural of gonyleptoid

gradualism
The belief that evolution proceeds at a steady pace, without the sudden development of new species or biological features from one generation to the next.
The belief that some phenomenon occurs gradually over a long period of time.
The belief that change ought to be brought about in small, discrete increments rather than in abrupt strokes such as revolutions or uprisings.

gradualisms
plural of gradualism

grammitid
Any basslet of the family Grammatidae

grammitids
plural of grammitid

granofilosean
Any naked amoeboflagellate of the subphylum Filosa.

granuloreticulosan
Any foraminifer of the class Granuloreticulosa

granuloreticulosans
plural of granuloreticulosan

graptoloid
Any graptolite of the order †Graptoloidea.

grassatore
Any harvestman of the infraorder Grassatores

grassatores
plural of grassatore

greenbottle
Any of various blowflies of the genus Lucilia that are a brilliant metallic green in colour.

greenbottles
plural of greenbottle

greenhood
Any of the genus Pterostylis of orchids of Australasia and the southwest Pacific.

greenhoods
plural of greenhood

grex
A multicellular aggregate of amoeba.
A kind of group used in horticultural nomenclature, applied to the progeny of an artificial cross from specified parents, in particular for orchids.

gripopterygid
Any stonefly of the family Gripopterygidae

gripopterygids
plural of gripopterygid

groenlandaspidid
Any of the family †Groenlandaspididae of arthrodire placoderms.

groenlandaspidids
plural of groenlandaspidid

gromiid
Any cercozoan in the family Gromiidae.

gromiids
plural of gromiid

gryphite
A shell of the genus Gryphaea.

guitguit
One of several species of small tropical American birds (the honeycreepers), especially Cyanerpes caeruleus.

guitguits
plural of guitguit

gymnarthrid
Any of the extinct family Gymnarthridae of tuditanomorph microsaurs.

gymnarthrids
plural of gymnarthrid

gymnodinioid
Alternative form of gymnodinoid.

gymnodinioids
plural of gymnodinioid

gymnodinoid
Any dinoflagellate of the genus Gymnodinium

gymnodinoids
plural of gymnodinoid

gymnophallid
Any trematode of the family Gymnophallidae

gymnophallids
plural of gymnophallid

gynostegia
plural of gynostegium

gynostegium
An adnation of the stamens with the style and stigma, typically found in members of the family Apocynaceae.

gyrogonite
The petrified fruit of several species of stonewort

gyrogonites
plural of gyrogonite

gyrovirus
Any anellovirus of the genus Gyrovirus

gyroviruses
plural of gyrovirus

hacrobian
Any unicellular eukaryote of the subkingdom Hacrobia

hadromerid
Any porifer of the order Hadromerida

hadromerids
plural of hadromerid

hadrosauromorph
Any ornithopod of the clade Hadrosauromorpha.

hadrosauromorphs
plural of hadrosauromorph

haematoprotozoan
Alternative form of hematoprotozoan.

haematoprotozoans
plural of haematoprotozoan

haematozoa
plural of haematozoon
plural of haematozoan

haematozoan
Alternative form of haematozoon.

haematozoon
Any parasite in the class Aconoidasida (formerly subclass Haematozoa) inhabiting the blood.

haemoflagellate
Alternative form of hemoflagellate.

haemoflagellates
plural of haemoflagellate

haemoparasite
Alternative form of hemoparasite.

haemoparasites
plural of haemoparasite

haemophili
plural of haemophilus

haemophilus
Any bacterium of the genus Haemophilus.

haemoprotozoa
plural of haemoprotozoan

haemoprotozoan
Alternative form of hemoprotozoan.

haemosporidian
Any parasitic protozoa of the order Haemosporida

haemosporidians
plural of haemosporidian

haloarchaea
plural of haloarchaeon

haloarchaeon
Any halophile microorganism of the class Haloarchaea (or Halobacteria)

haloarchaeons
plural of haloarchaeon

halteriid
Any ciliate of the order Halteriida