litostomatid
Any ciliate of the class Litostomatea

litostomatids
plural of litostomatid

lituitid
Any in the family †Lituitidae of extinct cephalopods.

lituitids
plural of lituitid

lituolid
Any foraminifer in the family Lituolidae.

lituolids
plural of lituolid

liverweed
liverwort (North American species of Hepatica))

lokiarchaeon
Any archaeon of the phylum Lokiarchaeota

longgrass
Grasses that have been allowed to grow very high or that are from a species that grows very high.
An area around Darwin, Australia populated by homeless indigenous people.

lophiid
Any of the family Lophiidae of anglerfishes.

lophiids
plural of lophiid

lophiiform
Any anglerfish of the order Lophiiformes

lophiiforms
plural of lophiiform

lophirone
Any of a class of biflavonoids found in Lophira species.

lophirones
plural of lophirone

lophomonad
Any flagellate of the order Lophomonadida

lophomonads
plural of lophomonad

lophophyllid
Any tetracoral of the genus ✝Lophophyllidium.

loricatan
Any crocodylian of the clade Loricata.
Any marine mollusc of the class Loricata; Polyplacophora.

loricatans
plural of loricatan

loxosomatid
Any entoproct in the family Loxosomatidae.

luciocephalid
Any gourami in the family Luciocephalidae, now considered to be the osphronemid subfamily Luciocephalinae.

luciocephalids
plural of luciocephalid

lumbricid
Any earthworm in the family Lumbricidae.

lumbricids
plural of lumbricid

lunularin
A dihydrostilbenoid found in many species of liverworts, as well as common celery, as well as the roots of Hydrangea macrophylla.

lydekkerinid
Any temnospondyl in the family Lydekkerinidae.

lydekkerinids
plural of lydekkerinid

lyginopteridalean
Any of the order Lyginopteridales of archetypal pteridosperms.

lyginopteridaleans
plural of lyginopteridalean

lysorophid
Any tetrapod in the family Lysorophidae, a synonym for the Molgophidae.

lysorophids
plural of lysorophid

lyxose
An aldopentose found in some bacteria.

lyxoses
plural of lyxose

macplocimine
A macrolide isolated from Thioploca bacteria.

macrauchene
A member of family Macraucheniidae of extinct South American ungulates.

macrauchenes
plural of macrauchene

macroalgivore
Any organism that eats macroalgae

macroalgivores
plural of macroalgivore

macrobacteria
plural of macrobacterium

macrobacterium
Any unusually large bacterium

macrococci
plural of macrococcus

macrococcus
A bacterium of the genus Macrococcus.

macrocolonies
plural of macrocolony

macrocolony
A relatively large-scale colony (of bacteria etc)

macrofiber
Alternative form of macrofibre.

macrofibers
plural of macrofiber

macrofibre
Any of a series of highly-ordered multicellular structures, on the surface of some bacteria, that undergo twisting and writhing motions

macrofibres
plural of macrofibre

macrofungi
plural of macrofungus

macrofungus
Any fungus that is big enough to be seen with the naked eye

macroinvertivore
Any organism that feeds on macroinvertebrates

macroinvertivores
plural of macroinvertivore

macrolichen
Any lichen that has a large thallus, often resulting in a bushy appearance.

macrolichens
plural of macrolichen

macromycete
Synonym of macrofungus.

macroorganism
Any organism that can be seen with the naked eye (or with a simple lens).

macroorganisms
plural of macroorganism

macroparasite
Any parasite that is visible to the naked eye

macroparasites
plural of macroparasite

macropetalichthyid
Any placoderm in the family Macropetalichthyidae.

macropetalichthyids
plural of macropetalichthyid

macrophage
A white blood cell that phagocytizes necrotic cell debris and foreign material, including viruses, bacteria, and tattoo ink. It presents foreign antigens on MHC II to lymphocytes. Part of the innate immune system.

macrophages
plural of macrophage

macrophagocyte
Synonym of macrophage.

macrophagocytes
plural of macrophagocyte

macroplanktivore
Any organism that feeds on macroplankton

macroplanktivores
plural of macroplanktivore

macropodiform
Any macropod of the suborder Macropodiformes

macropodiforms
plural of macropodiform

macrospecies
A relatively large, polymorphic species.

macrosporange
Synonym of megasporangium.

macrosporanges
plural of macrosporange

macrosporangia
plural of macrosporangium

macrosporangium
A megasporangium; sporangium or conceptacle containing only large spores.

macrosymbiont
A macroscopic symbiont.

macrothere
A member of genus Macrotherium (syn. of Chalicotherium)

macrotheres
plural of macrothere

macruran
Any of many decapod crustaceans, such as the lobster and shrimp, that were once included in the subdivision Macrura

macrurans
plural of macruran

mactrid
Any of the family Mactridae of saltwater clams.

mactrids
plural of mactrid

magnetofossil
The fossil remains of a magnetotactic bacterium

magnetofossils
plural of magnetofossil

malacanthid
Any in the family Malacanthidae of tilefishes.

malacanthids
plural of malacanthid

malaconotid
One of the family Malaconotidae of bushshrikes.

malaconotids
plural of malaconotid

malacospore
The spore of a malacosporean

malacosporean
Any myxozoan of the subclass Malacosporea

malacospores
plural of malacospore

malacosteine
Any loosejaw of the genus Malacosteus.

malacosteines
plural of malacosteine

malacostracan
Any of very many crustaceans of the class Malacostraca.

malacostracean
Misspelling of malacostracan.

malawimonad
Any of the three microorganism species in the group Malawimonadida.

malawimonads
plural of malawimonad

marinopyrrole
Any of a group of cytotoxic and antibacterial tetrachloro pyrroles present in some bacteria

marinopyrroles
plural of marinopyrrole

masrium
A rejected name for radium.

mastadenovirus
Any adenovirus of the genus Mastadenovirus.

mastadenoviruses
plural of mastadenovirus

mastigote
A single-celled microorganism that moves by means of an undulipodium, such as a flagellum, rather than using pseudopodia.

mastigotes
plural of mastigote

mastodonsaurid
Any temnospondyl in the family Mastodonsauridae.

mastodonsaurids
plural of mastodonsaurid

matajuelo
A large squirrelfish of Florida and the West Indies, of species Holocentrus adscensionis.

matajuelos
plural of matajuelo

meadowhawk
Any of several dragonflies, of the genus Sympetrum, native to North America.

mecistocephalid
Any of the family Mecistocephalidae of soil centipedes, mostly occuring in tropical or subtropical regions.

mecistocephalids
plural of mecistocephalid

meenoplid
Any planthopper of the family Meenoplidae.

megabacteria
plural of megabacterium

megabacterium
Any relatively large bacterium

megacheiran
Any arthropod with a relatively large appendage

megacheirans
plural of megacheiran

megagametophyte
Any gametophyte that develops from a megaspore.
A female gametophyte.

megagametophytes
plural of megagametophyte

megalograptid
Any of the Megalograptidae, a family of extinct eurypterids.

megalograptids
plural of megalograptid

megalonychid
Any sloth in the family Megalonychidae.

megalonychids
plural of megalonychid

megascolecid
Any earthworm of the family Megascolecidae.

megascolecids
plural of megascolecid

megasporangia
plural of megasporangium

megasporangium
A sporangium which produces only megaspores

megasporophyll
A sporophyll that bears megasporangia.

megasporophylls
plural of megasporophyll

megasporophyte
A sporophyte that produces megaspores

megasporophytes
plural of megasporophyte

megatherid
Any ground sloth of the extinct family †Megatheriidae of giant ground sloths.

megatherids
plural of megatherid

megatheriid
Any in the family Megatheriidae of ground sloths.

megatheriids
plural of megatheriid

megathymid
Any skipper in the family Megathymidae, now considered to be part of the Hesperiidae, perhaps as the subfamily Megathyminae.

megathymids
plural of megathymid

megazoosporange
A sporangium that contains megazoospores

megazoosporanges
plural of megazoosporange

megazostrodontid
Any mammaliaform cynodont in the family Megazostrodontidae.

megazostrodontids
plural of megazostrodontid