Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| amniote | a vertebrate that develops an amnion during the embryonic stage. |
| amniotic | relating to an amniote, a vertebrate that develops an amnion during the embryonic stage. |
| animal | a living organism typically capable of voluntary motion and sensation (adj.) of the nature of an animal |
| animalian | of or like an animal. |
| animalic | of or like an animal. |
| animallike | like an animal. |
| annectent | having intermediate features between two taxa. |
| arthropod | any member of the phylum Arthropoda, members of which (eg insects, arachnids, and crustaceans) are characterized by segmented bodies and jointed limbs. |
| arthropodal | of or like an arthropod. |
| arthropodan | of or like an arthropod. |
| arthropodous | of or like an arthropod. |
| bimanal | relating to Bimana, two-handed animals, an obsolete name for mankind. |
| biped | a two-footed animal. |
| cephalochordate | any of a number of chordate fishlike animals (including the lancelets and amphioxus), having a persisting notochord projecting beyond the nerve cord to the end of the snout. |
| chelicerate | an arthropod of the group Chelicera, arachnids and horseshoe-crabs. |
| chemoautotrophy | the production of energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide. |
| chemotaxonomist | one who practises chemotaxonomy. |
| chemotaxonomy | the classification of plants and animals based on similarities and differences in biochemical composition. |
| clade | a group of organisms that have evolved from a common ancestor. |
| cladism | adherence to cladistic theories of taxonomy. |
| cladist | one who adheres to cladistic theories of taxonomy. |
| cladistic | relating to cladism, a method of taxonomy. |
| cladistically | (Adv.) CLADISTIC, relating to cladism, a method of taxonomy. |
| cladistics | taxonomic theory distinguishing by common ancestor. |
| cladogram | a branching diagram showing the development of a clade. |
| congenerous | of the same genus, origin or nature. |
| conspecific | a plant or animal of the same species. |
| cotype | a taxonomic type. |
| cytotaxonomic | relating to cytotaxonomy. |
| cytotaxonomist | a practitioner of cytotaxonomy. |
| cytotaxonomy | the classification of organisms based on cell structure, esp the number, shape, etc., of the chromosomes. |
| deuterostome | any of a major division of the animal kingdom that includes the bilaterally symmetrical animals. |
| didelphid | any member of the marsupial family Didelphidae. |
| diphyletic | descended from two distinct ancestral groups. |
| dryopithecine | a gorilla, chimpanzee or man. |
| echiuroid | any of a taxon of marine worms. |
| ectotherm | a cold-blooded animal. |
| endoproct | a small animal living in water. |
| endotherm | a warm-blooded animal. |
| enteropneust | any animal of the Enteropneusta, literally, gut-breathers. |
| enteropneustal | of or like an enteropneust. |
| eutherian | belonging to the Eutheria, placental mammals; (noun) a placental mammal (as distinct from marsupial). |
| folksonomy | a system of classification that makes use of terms that occur naturally in the language of users of the system. |
| genus | (Lat.) a taxonomic group of lower rank than a family. |
| gnathostomatous | of or like a gnathostome. |
| gnathostome | any vertebrate of the superclass Gnathostomata, having a mouth with jaws, including all vertebrates except the agnathans. |
| haplotype | a single species contained in a genus. |
| hepaticologist | one who studies liverworts. |
| herptile | relating to both amphibian and reptile. |
| heterospecific | an organism of a different species or group. |
| hexapodal | relating to Hexapoda, insects. |
| holotype | an original type specimen used in defining and describing a species or variety. |
| holotypic | relating to a holotype, an original type specimen used in defining and describing a species or variety. |
| hominian | a manlike animal. |
| hominine | characteristic of man. |
| hominoid | relating to the superfamily Hominoidea, comprising man and modern apes and their extinct ancestors; (noun) a member of this family. |
| homo | (Lat.) man generically (sl.) a homosexual |
| homological | having the same relative structure. |
| homologically | (Adv.) HOMOLOGICAL, having the same relative structure. |
| homologous | having the same relative structure. |
| homotypic | conforming to normal type. |
| ichthic | resembling or relating to a fish. |
| ichthyic | resembling or relating to a fish. |
| ichthyopsid | a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates. |
| ichthyopsidan | a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates. |
| infraspecific | of taxonomic divisions of a lower rank than species. |
| intergeneric | existing, occurring, or arising between genera. |
| interspecies | a species between other species. |
| interspecific | existing, occurring, or arising between species. |
| isotype | in taxonomy, a duplicate of the holotype, a specimen made from the same collection as the holotype. |
| isotypic | of or like an isotype, a duplicate of the holotype, a specimen made from the same collection as the holotype. |
| lectotype | a specimen or similar element selected from the original material to serve as the nomenclatural type when a holotype was not orig designated, or is missing. |
| macrophylum | a large phylum, as in New Guinea macrophylum. |
| malacopterygian | belonging to the Malacopterygii, a soft-finned suborder of bony fishes, including herrings and salmon. |
| malacostracous | relating to the Malacostra, the best-known class of crustaceans, including crabs, lobsters, shrimps, prawns, etc. |
| mammal | any of a class of warm-blooded vertebrates. |
| mammalian | a mammal. |
| mammality | the state of being a mammal. |
| mammifer | a mammal. |
| marsupialian | a marsupial mammal. |
| metatherian | of, relating to, or belonging to the Metatheria, a subclass of mammals comprising the marsupials; (noun) any metatherian mammal; a marsupial. |
| metazoal | relating to the metazoa, animals more complex than a unicellular protozoan. |
| metazoan | relating to to the Metazoa; (noun) any animal more complex than a unicellular protozoan. |
| metazoic | of or pertaining to the Metazoa. |
| metazoon | any animal more complex than a unicellular protozoan. |
| microspecies | a genetically distinct group of organisms within a species. |
| monodelphian | any placental mammal that is a member of the group Monodelphi. |
| monodelphic | relating to the Monodelphia, placental mammals. |
| monodelphous | relating to the Monodelphia, placental mammals. |
| monophyletic | derived from a single ancestral line, as opposed to polyphyletic. |
| monotype | a monotypic genus or other taxon. |
| monotypic | of a genus, containing only one species. |
| nekton | (Greek) the totality of swimming organisms in a body of water. |
| nektonic | like nekton, the totality of swimming organisms in a body of water. |
| nomenclative | relating to nomenclature. |
| nomenclatorial | relating to or connected with nomenclature. |
| nomenclatural | relating to or connected with nomenclature. |
| nomenclature | the study of the application of the names of taxa. |
| nonruminant | an animal that is not a ruminant. |
| oomycete | an organism formerly classified as a fungus. |
| organism | any form of animal or plant life. |
| ornithic | of or relating to birds. |
| outgroup | a group of people outside one's own group; a term in cladistics. |
| ovipara | an artifical division of vertebrates, including those that lay eggs. No -S. |
| perissodactyl | an animal of the Perissodactyla, a division of ungulates with an odd number of toes, including the horse, tapir and rhinoceros. |
| perissodactyle | an animal of the Perissodactyla, a division of ungulates with an odd number of toes, including the horse, tapir and rhinoceros. |
| phylar | related to a phylum, a main division of the animal and vegetable kingdom. |
| phylic | related to a phylum, a main division of the animal and vegetable kingdom. |
| phylon | a main division of the animal and vegetable kingdom. |
| phylum | (Lat.) a main division of the animal or vegetable kingdom. |
| placoderm | covered with bony scales; (noun) a fish covered with bony scales. |
| polychotomy | division into many parts, eg on a cladogram. |
| polyped | a many-legged animal. |
| polypod | (Greek) a many-legged animal. |
| polytypic | of a taxon containing two or more taxa of lower ranks. |
| polytypical | of a taxon containing two or more taxa of lower ranks. |
| praecoces | (Lat.) a division of birds including those whose young are able to run about when first hatched. |
| praecocial | of or relating to birds whose young are hatched with a covering of down and can leave the nest at once to seek food. |
| precocial | of or relating to birds whose young are hatched with a covering of down and can leave the nest at once to seek food; (noun) a bird having such young. |
| protochordate | a member of the Protochordata. |
| quadruped | a four-footed animal. |
| ruminant | an animal that chews the cud. |
| ruminantly | (Adv.) RUMINANT. |
| sapiens | (Lat.) pertaining to recent man. |
| saprobial | of or like a saprobe, an organism living in foul water. |
| saprobiont | any organism, esp a fungus or bacterium, that lives and feeds on dead organic matter. |
| saprotroph | any organism, esp a fungus or bacterium, that lives and feeds on dead organic matter. |
| saprotrophic | of or like a saprotroph. |
| sauropsidan | belonging to the Sauropsida, one of the main divisions of Vertebrata including birds and reptiles; (noun) a member of the Sauropsida. |
| schizophyte | a plant of the Schizophyta, an obsolete grouping of organisms that multiply only by fission, including bacteria and blue-green algae. |
| schizophytic | of or like a schizophyte, an obsolete grouping of organisms that multiply only by fission. |
| simplicidentate | denoting a member of the Simplicidentata, rodents. |
| soliped | a mammal having a single hoof on each foot, as the horses and asses. |
| speciate | to form a species. |
| spermaphyte | any member of the Spermatophyta, seed-bearing plants. |
| subfamily | a taxonomic division of a family, of one or more genera. |
| subgeneric | of or pertaining to a subgenus. |
| subgenerically | (Adv.) SUBGENERIC, of or pertaining to a subgenus. |
| subgenre | a subdivision of a genre. |
| subgenus | a taxonomic grouping ranking next below a genus. |
| subkingdom | a taxonomic division of a kingdom; a phylum. |
| suborder | a subdivision of an order. |
| subphylar | relating to a subphylum. |
| subphylum | (Lat.) the taxonomic division below a phylum. |
| subrace | a subdivision of a race. |
| subspecies | a population whose characteristics are subtly distinct from the nominate form. |
| subspecific | relating to a subspecies. |
| subspecifically | (Adv.) SUBSPECIFIC, relating to a subspecies. |
| subtaxon | a subdivision of a taxon. |
| subtribe | a division of a tribe; a group of genera of a little lower rank than a tribe. |
| subtype | a type that is subordinate to or included in another type. |
| subtypical | relating to a subtype. |
| subvariety | a subordinate variety, or a division of a variety. |
| superclass | a taxonomic category between class and phylum. |
| superfamily | a category of biological classification ranking below an order and above a family. |
| superkingdom | a taxonomical classification comprising several kingdoms. |
| superorder | a group intermediate in importance between an order and a subclass. |
| superordinal | relating to a superorder. |
| superphylum | a taxonomical division above phylum. |
| sympatric | pertaining to species the ranges of which overlap, i.e. species occupying the same regions but not interbreeding. |
| sympatrically | (Adv.) SYMPATRIC, pertaining to species the ranges of which overlap. |
| systematics | the new science of taxonomy. |
| taxon | a group of plants or animals classified according to their presumed natural relationships. |
| taxonomic | relating to taxonomy, the science of classifying living organisms. |
| taxonomical | relating to taxonomy. |
| taxonomically | (Adv.) TAXONOMICAL, relating to taxonomy. |
| taxonomy | the science of classifying living organisms. |
| tetrapod | a four-footed animal; any vertebrate higher than fishes (i.e. amphibians, reptiles, birds, and mammals). |
| therian | belonging to the subclass comprising marsupials and placentals; (noun) a therian mammal. |
| topotype | a specimen collected in the same locality as an original. |
| trihybrid | a hybrid differing from its parents in three independently heritable characteristics. |
| trinomialist | a proponent of trinomialism. |
| typal | relating to a type, typical. |
| urochordal | of or pertaining to the Urochorda. |
| vivipara | (Lat.) an artificial division of vertebrates including those that produce their young alive. |
| xenogeneic | descended from a member of another species. |
| zoon | an animal which is the sole product of a single egg, as opposed to zooid (verb) to zoom |
| zootype | an animal serving as a type. |
| zootypic | of or like a zootype, an animal serving as a type. |