Taxonomic Etymologies EEOB 111
Originally compiled by Michael Guill, modified by
Beth Wee. Based on Donald Borror's Dictionary of Word Roots and Combining
Forms, Mayfield Publishing Co. Palo Alto, CA. 1960.
Note: In the following outline, taxonomic names are
printed in Boldface, terms used to
describe organisms are Underlined, and non-taxonomic names for general
associations of taxa are put in “Quotation Marks.”
General Terms :
Acoelomate [Greek a-, without; + Greek coel, cavity]
animals
“Angiosperms” [Greek angos, vessel; + Greek sperma, seed]
Autotrophic [Greek autos, self; + Greek trophe, from trephein, to
nourish]
Coelomate
(sometimes Eucoelomate) [Greek eu-, good, (= true); + Greek coel, cavity]
Deuterostomes [Greek deuteros, second; + Greek stoma, mouth]
Eukaryotic [Greek eu, good, well (= true); + Greek karyo, nut]
“Gymnosperms” [Greek gymnos, naked; + Greek sperma, seed]
Heterotrophic [Greek heteros, other; + Greek trophe, from trephein, to
nourish]
Photosynthetic [Greek photo-, from phos, light; + Greek synthesis, to put
together]
Prokaryotic [Greek pro-, before; + Greek karyo, nut]
Protostomes [Greek protos, first; + Greek stoma, mouth]
Pseudocoelomate [Greek pseudo-, false; + Greek coel, cavity]
animals
Classification of
organisms
Consistent with Mader, 6th
edition, Biology Laboratory Manual.
Kingdom Monera [Greek moneres, solitary, from monos, single, alone]
Subkingdom Archaebacteria [Greek archae-, ancient; + Greek bakterion, diminutive of baktron, rod]
Subkingdom Eubacteria [Greek eu-, good, well(= true); + Greek bakterion, diminutive of baktron, rod]
Phylum Cyanobacteria [Greek kyanos, dark blue]
Heterotrophic [Greek heteros, other; + Greek trophe, from trephein, to nourish]
bacteria
bacillus
[diminutive of Latin baculum,
rod]
spirillum
[diminutive of Latin spira,
coil]
coccus
[from Greek kokkos, grain,
seed]
The other four Kingdoms are Eukaryotic [Greek
eu-, good, well (= true); + Greek karyon, nut]
Kingdom Protista [Greek protista, neuter pl. of protistos, the very first, superlative
of protos, first]
Protists
resembling animals = “Protozoa” [Greek proto-, first; + Greek zoion, zoon, living being,
animal]
Phylum Sarcodina [Greek sarkodes, fleshy, from sarx, sark-, flesh]
Phylum Ciliophora [Latin cilium, lower eyelid (= eyelash); +
Greek -phoros, bearing, from pherein, to
carry]
Phylum Zoomastigophora [Greek zoion, zoon, living being, animal; + Greek mastig-, whip; + Greek -phoros, bearing, from pherein, to
carry]
Phylum Sporozoa [Greek spora, seed; + Greek zoion, zoon, living being,
animal]
Protists
resembling plants = “Algae” [Latin alga, seaweed]
Phylum Chlorophyta [Greek khloros, green; + Greek phyton, plant]
Phylum Phaeophyta [Greek phaeo-, dusky; + Greek phyton, plant]
Phylum Chrysophyta [Greek khrysos, gold, of Semitic origin; akin
to Hebrew harus; + Greek phyton, plant]
Phylum Dinoflagella [Greek dino-, terrible or whirling; + Latin flagellum, whip]
Phylum Euglenophyta [Greek eu-, good, (= true); + Greek glene, eyeball; + Greek phyton, plant]
Phylum Rhodophyta [Greek rhodon, rose (= red); + Greek phyton, plant]
Protists
resembling fungi = “Slime Molds”
Phylum Gymnomycota [Greek gymno-, naked; + New Latin -mycetes, from Greek mukes, muket-, fungus]
Kingdom Animalia [Latin animale, neuter of animalis, living, from anima, soul]
Phylum Porifera [Latin porus, passage, pore; + Latin -fera, bearing, from ferre, to carry]
Phylum Cnidaria [Latin cnide, nettle; + Latin -arius, of or related
to]
Class Hydrozoa [Greek Hydra, a many-headed water serpent; +
Greek zoion, zoon, living being,
animal]
Class Scyphozoa [Greek skyphos, cup; + Greek zoion, zoon, living being,
animal]
Class Anthozoa [Greek anthos, flower; + Greek zoion, zoon, living being,
animal]
Phylum Ctenophora [Greek cten-, comb; + Greek -phoros, bearing, from pherein, to
carry]
Phylum Platyhelminthes [Greek platy-, flat; + Greek helminth, worm]
Class Turbellaria [Latin turbella, bustle, turmoil (from the
motion of their cilia in the water)]
Class Trematoda [Greek trema-, hole, perforation; + Greek oda, Like, a
resemblance]
Class Cestoda [Latin cestus, belt; + Greek oda, Like, a
resemblance]
Phylum Nematoda [Greek nema, thread; + Greek oda, Like, a
resemblance]
Phylum Rotifera [Latin rota, wheel; + Latin -fera, bearing, from ferre, to carry]
Protostomes [Greek protos, first; + Greek stoma, mouth]
Phylum Mollusca [Latin molluscus, thin-shelled, from mollis, soft]
Class
Bivalvia [Latin bis, bi-, twice (=two); + Latin valva, folding door,
valve]
Class
Gastropoda [Greek gaster, stomach; + Greek pous, pod-, foot]
Class
Polyplacophora [Greek poly-, many; + Greek plax, plate; + Greek -phoros, bearing, from pherein, to
carry]
Class
Cephalopoda [Greek kephale, head; + Greek pous, pod-, foot]
Phylum Annelida [Latin anellus, diminutive of anus, ring; + Latin -id, body]
Class
Oligochaeta [Greek oligos, few; + Greek khaite, long hair (=
bristle)]
Class
Polychaeta [Greek poly-, many; + Greek khaite, long hair (=
bristle)]
Class
Hirudinea [Latin hirudo, leech]
Phylum Arthropoda [Greek arthron, joint; + Greek pod, foot]
Subphylum Chelicerata [Greek khele, claw; + Greek cerat, horn]
Class
Arachnida [Greek arakhne, spider]
Class
Merostomata [Greek meros, thigh; + Greek stoma, mouth]
Subphylum Crustacea [Latin crusta, shell]
Class
Crustacea
Subphylum Uniramia [Latin unus, one; + Latin ramus, branch]
Class
Diplopoda [Greek diploos, double; + Greek pod, foot]
Class
Chilopoda [Greek kheilos, lip (the foremost pair of legs
are jawlike appendages); + Greek pod,
foot]
Class
Insecta [Latin insecare, cut up (=
segmented)]
Deuterostomes [Greek deutero, second; + Greek stoma, mouth]
Phylum
Echinodermata [Greek ekhinos, spine (figuratively), from sea
urchin, or hedgehog (ultimately from ekhis, adder, viper); + Greek derma, skin]
Class
Asteroidea [Greek asteroeides,
starlike]
Class
Crinoidea [Greek krinon, lily]
Class
Holothuroidea [Greek, holothurum, a sedentary marine animal,
possibly from Greek holos, whole; + ?
(maybe Greek thureoeides (thyroid); or (thureos, oblong shield (from thura, door))]
Class
Echinoidea [Greek ekhinos, spine (figuratively), sea
urchin, hedgehog (from ekhis, adder,
viper)]
Class
Ophiuroidea [Greek ophis, snake + Greek oura, tail]
Phylum
Hemichordata [Greek hemi; half; + Latin chorda, cord]
Phylum
Chaetognatha [Greek khaite, bristle, long hair; + Greek gnathos, jaw]
Phylum
Chordata [Latin chorda, cord]
Subphylum Cephalochordata [Greek kephale, head; + Latin chorda, cord]
Subphylum Urochordata [Greek oura, tail; + Latin chorda, cord]
Subphylum Vertebrata [Latin, vertebra, a joint, backbone, from vertere, to turn]
Class
Agnatha [Greek prefix a-, not, without ; + Greek gnathos, jaw]
Class
Chondrichthyes [Greek khondros, cartilage; + Greek ikhthus, fish]
Class
Osteichthyes [Greek osteon, bone; + Greek ikhthus, fish]
Class
Amphibia [Greek amphi-, on both sides, around; + Greek
bios, life]
Class
Reptilia [Latin reptilis,
creeping]
Class
Aves [Latin avis, bird]
Class
Mammalia [Latin mamma, breast]
Kindgom Fungi [Latin fungus, mushroom; perhaps from Greek spongos, sphongos, sponge]
Note: suffix -mycota [New Latin -mycetes, from Greek mykes, myket-, fungus]
Division Zygomycota [Greek zygon, yoke (= paired
spores)]
Division Ascomycota [Greek askos, bag]
Division Basidiomycota [Latin basidium, a small
pedestal]
“Fungi Imperfecti” [Latin: “imperfect fungi”]
(deuteromycota [Greek deutero, second])
“Lichens” [Greek leikhen, from leikhein, to
lick]
Kindgom Plantae [Latin planta, sole of the foot, and
denominative plantare, to drive in
with the sole of the foot, to plant (verb), therefore planta, a plant
(noun)]
Note: suffix -phyta [from Greek phyton, plant, from phyein, to make
grow]
Nonvascular Plants (Nonseed as well)
Division Bryophyta [Greek bryon, moss, from bryein, to swell,
teem]
Division Hepatophyta [Greek hepato, liver]
Division Anthocerotophyta [Greek anthos, flower; + Greek keras, horn]
Vascular Plants
Nonseed
Division Psilotophyta [Greek psilo-, bare,
naked]
Division Lycopodophyta [Greek lukos, wolf; + Greek pod, foot]
Division Equisetophyta [Latin equi, a horse]
Division Pteridophyta [Greek pteron, feather,
wing]
Seed Plants
“Gymnosperms” [Greek gymnos, naked; + Greek sperma, seed]
Division Pinophyta [Latin pin, pine; Latin pine = shaped like a pine
tree]
(conifers) [Greek konos, cone; + from Latin ferre, to carry,
bear]
Division Cycadophyta [Greek kykas, from (Egyptian ?)koïx, a kind of palm
tree]
Division Ginkophyta [Japanese ginkyo]
Division Gnetophyta [possibly from Greek gnesi, genuine]
“Angiosperms” [Greek angos, vessel; + Greek sperma, seed]
Division Magnoliophyta [Latin magni, large,
great]
Class
Liliopsida [Latin lili, a lily; + Greek opsi; appearance]
(monocot) from monocotyledon
[Greek monos, single, alone; + Greek
kotyledon, from kotyle, hollow
object]
Class
Magnoliopsida [Latin magni, large, great; + Greek opsi; appearance]
(dicot) from dicotyledon
[Greek prefix di-, two; + Greek kotyledon, from kotyle, hollow
object]