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Classification system in biological systematics
Numerical taxonomy is a classification system in biological systematics which deals with the grouping by numerical methods of taxonomic units based on
Numerical_taxonomy
Development of classes and classifications
Evolutionary taxonomy, traditional post-Darwinian hierarchical biological classification Numerical taxonomy, various taxonomic methods employing numeric algorithms
Taxonomy
Attempt to classify organisms based on overall similarity
relation. It is related closely to numerical taxonomy which is concerned with the use of numerical methods for taxonomic classification. Many people contributed
Phenetics
Science of classifying organisms
organisms Incertae sedis – Term to indicate an uncertain taxonomic position Numerical taxonomy – Classification system in biological systematics Open Tree
Taxonomy_(biology)
British microbiologist
of numerical taxonomy, together with Robert R. Sokal. Sneath and Sokal wrote Principles of Numerical Taxonomy, revised in 1973 as Numerical Taxonomy. Sneath
Peter_Sneath
Classification by similarity of DNA
Sokal and Peter H. A. Sneath in the context of numerical taxonomy, where an "operational taxonomic unit" is simply the group of organisms currently
Operational_taxonomic_unit
American biostatistician (born 1936)
1936) is an American biostatistician, known for his contributions to numerical taxonomy, biometry, and geometric morphometrics. He is Distinguished Professor
F._James_Rohlf
Classification type of a class of astronomical objects
the order of increasing numerical standard deviation, with the best fitting spectral type mentioned first. The Tholen taxonomy also has additional notations
Asteroid_spectral_types
Biostatistician
promoted the use of statistics in biology and co-founded the field of numerical taxonomy, together with Peter H. A. Sneath. Sokal was born in 1926 in a Jewish
Robert_R._Sokal
Measure of similarity and diversity between sets
that include or exclude joint absences has been widely discussed in numerical taxonomy and classification literature. The Jaccard index is defined as J (
Jaccard_index
Class of plants
Ya-Mei; Jiao, Zhi-Peng; Di, Guo-Yun; Liu, Song-Xin (2022-10-03). "Numerical taxonomy of Ginkgophyta fossils in China". Historical Biology. 34 (10): 2037–2052
Ginkgoopsida
Grouping a set of objects by similarity
terms with similar meanings, including automatic classification, numerical taxonomy, botryology (from Greek: βότρυς 'grape'), typological analysis, and
Cluster_analysis
Class of molluscs
the largest of which are the Unionidae, with about 700 species. The taxonomic term Bivalvia was first used by Linnaeus in the 10th edition of his Systema
Bivalvia
Genus of bacteria
ISSN 0168-1605. PMID 23290227. GREIPSSON, S.; PRIEST, F. G. (1 July 1983). "Numerical Taxonomy of Hafnia alvei". International Journal of Systematic Bacteriology
Hafnia_(bacterium)
Reproductive structure in flowering plants
the biologists Robert Sokal and Peter Sneath created the method of numerical taxonomy, which differentiates taxa based on their tabulated morphological
Flower
Study of lichen taxonomy and evolution
quantitative, computer-aided methods gaining ground across biology. Numerical taxonomy (phenetics) and cladistics entered lichenology, paralleling their
Lichen_systematics
Mixed-breed dog with socio-environmental typology
Australian canid, most likely descended from domestic dogs Canis lupus dingo § Taxonomic debate Gloger's rule – yet another ecogeographical rule for intraspecies
Caramelo_(dog)
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_pingxiangensis
Genus of flowering plants
W. P.; Rhodes, A. M.; Whitaker, Thomas W.; Carmer, S. G. (1970). "Numerical Taxonomy Applied to Cucurbita Relationships". American Journal of Botany. 57
Cucurbita
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_yunnanensis
Subspecies of bacterium
pigeon. THOREL (M.F.), KRICHEVSKY (M.) and LÉVY-FRÉBAULT (V.V.): Numerical taxonomy of mycobactin-dependent mycobacteria, emended description of Mycobacterium
Mycobacterium avium subsp. silvaticum
Mycobacterium_avium_subsp._silvaticum
Australian botanist (1913–1995)
botanist and plant taxonomist, known for his work on algorithms for numerical taxonomy. Williams was born 18 April 1913 in Fulham, London, England, the only
W._T._Williams
Type of parallel processing
multiple data (SIMD) is a type of parallel computing (processing) in Flynn's taxonomy. SIMD describes computers with multiple processing elements that perform
Single instruction, multiple data
Single_instruction,_multiple_data
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_hainanensis
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_menyuanensis
Species of earwig
(1973-12-25). Dermapterorum Catalogus Praeliminarus VII: A Basic Survey for Numerical Taxonomy of the Forficulidae, the Dermaptera of the World [Preliminary Catalog
Forficula_decipiens
Study of evolutionary relationships between organisms
Quesne, Walter J. Le (1969). "A Method of Selection of Characters in Numerical Taxonomy". Systematic Zoology. 18 (2): 201–205. doi:10.2307/2412604. JSTOR 2412604
Phylogenetics
Statistical method in data analysis
hashing Nearest neighbor search Nearest-neighbor chain algorithm Numerical taxonomy OPTICS algorithm Statistical distance Persistent homology Nielsen
Hierarchical_clustering
Phylogenetic method in taxonomy
for its classification, with opinions including "numerical taxonomy" (phenetics), "evolutionary taxonomy" (gradistics), and "phylogenetic systematics".
Phylogenetic_nomenclature
Family of squids
1002/mmnz.20040800105 John H. Wormuth (1976). The biogeography and numerical taxonomy of the oegopsid squid family Ommastrephidae in the Pacific Ocean.
Ommastrephidae
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_hunanensis
Prefix derived from numerals or other numbers
other metric prefixes. IUPAC numerical multiplier List of numbers List of numeral systems List of commonly used taxonomic affixes English numerals Names
Numeral_prefix
Order of insects that includes grasshoppers
Retrieved 6 January 2018. Blackith, RE; Blackith, RM (1968). "A numerical taxonomy of Orthopteroid insects". Australian Journal of Zoology. 16 (1): 111
Orthoptera
Species of earwig
(1973-12-25). Dermapterorum Catalogus Praeliminarus VII: A Basic Survey for Numerical Taxonomy of the Forficulidae, the Dermaptera of the World [Preliminary Catalog
Forficula_ruficollis
Polish mathematician and physicist (1909–1984)
L. Stein, titled "Metrics in Biology", introduced new ideas about numerical taxonomy and evolutionary distances. When he retired from Colorado in 1975
Stanisław_Ulam
Species of bacterium
ISSN 0721-9571. Molin G, Jeppsson B, Johansson ML, et al. (March 1993). "Numerical taxonomy of Lactobacillus spp. associated with healthy and diseased mucosa
Limosilactobacillus_reuteri
Irish bioinformatics professor (born 1959)
awarded an B.A. (mod) in Botany in 1981 and PhD in 1988 for research on numerical taxonomy of Pterygote insects. Research in the Higgins laboratory focuses on
Desmond_G._Higgins
Academic journal
publishes three issues a year on topics in the field of classification, numerical taxonomy, multidimensional scaling and other ordination techniques, cluster
Journal_of_Classification
Classification system established to clarify investments that are economically suitable
The EU taxonomy for sustainable activities (a green taxonomy) is a classification system established to clarify which economic activities are environmentally
EU taxonomy for sustainable activities
EU_taxonomy_for_sustainable_activities
English botanist (1926–1923)
Assistant Keeper. He was also interested in chorology and using numerical methods in plant taxonomy. Clayton was awarded Associateship of Imperial College London
William_Derek_Clayton
Species of bacterium
-L.; Ahrné, S.; Nobaek, S.; Ståhl, M.; Bengmark, S. (March 1993). "Numerical taxonomy of Lactobacillus spp. associated with healthy and diseased mucosa
Lacticaseibacillus_paracasei
Species of bird
{{cite report}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link) Hirai, Lawrence T. (1978). "Native Birds of
ʻIʻiwi
Country in South Asia
on 18 August 2021. Retrieved 7 October 2020.{{cite book}}: CS1 maint: numeric names: authors list (link) "Nepal". Ramsar. Archived from the original
Nepal
Species of bacterium
concerns. Thorel (M.F.), Krichevsky (M.) and Levy-Frebault (V.V.): Numerical taxonomy of mycobactin-dependent mycobacteria, emended description of Mycobacterium
Mycobacterium avium subsp. avium
Mycobacterium_avium_subsp._avium
Species of moth
Hübner (Lepidoptera: Ethmiidae) in classification, distribution and numerical taxonomy" (PDF). Entomotaxonomia (in Chinese and English). 11 (4): 267–284
Ethmia_guangzhouensis
Species of fungus
"Fungi of Mount Shasta (1936–51)". Sydowia. 9: 94–215. Harmsen L (1960). "Taxonomic and cultural studies on brown-spored species of the genus". Friesia. 6:
Serpula_lacrymans
Genus of archaea
(1986). "Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov
Haloferax
Italian physician, botanist and philosopher (1524–1603)
authors give 1519 as the year of his birth, e.g. Frans Stafleu in his Taxonomic Literature 2. For his studies at the University of Pisa his instructor
Andrea_Cesalpino
Species of shrimp
3 January 2017. Retrieved 2 January 2017.{{cite journal}}: CS1 maint: numeric names: authors list (link) Thodoros E Kampouris; Francesco Tiralongo; Aleksander
Farfantepenaeus_aztecus
Academic fields of study or professions
astrophysics Gravitational astronomy Black holes Interstellar medium Numerical simulations Astrophysical plasma Galaxy formation and evolution High-energy
Outline of academic disciplines
Outline_of_academic_disciplines
Species of tree
Wenxin; Shi, Wenting; Yang, Haijun; Cui, Dafang (January 2018). "Numerical taxonomy study on Prunus L.subgenus Cerasus (Mill.) A.Gray in China". Acta
Prunus_tatsienensis
Species of plant
{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link) "Coffea stenophylla". Plants of the World Online
Coffea_stenophylla
Common hare of the western United States and Mexico
(1983). "The New World jackrabbits and hares (genus Lepus).--2. Numerical taxonomic analysis". Acta Zoologica Fennica. 174: 53–56. Chapman, J. A.; Dixon
Black-tailed_jackrabbit
Layout study for a manufacturing plant
Second edition. Oxford, UK: Butterworth-Heinemann, 2016 Carrie, A. S. "Numerical taxonomy applied to group technology and plant layout." THE INTERNATIONAL JOURNAL
Plant_layout_study
Species of grass
PMID 39143210. Retrieved 17 January 2026.{{cite journal}}: CS1 maint: numeric names: authors list (link) Kolmogorov, Mikhail; Yuan, Jeffrey; Lin, Yu;
Aegilops_tauschii
Species of snake
than 0.8 metres (2.6 feet) in length. The cladogram below illustrates the taxonomy and relationships among species of Naja: The population on São Tomé and
Forest_cobra
Theories on the development of personality
Comprehensive Guide – midmindzone". Retrieved 2024-08-31.{{cite web}}: CS1 maint: numeric names: authors list (link) Baumert A, Schmitt M, Perugini M, Johnson W
Personality_development
Species of bacterium
ISSN 1466-5026. PMID 11034498. McKell, J.; Jones, D. (August 1976). "A numerical taxonomic study of Proteus-Providence bacteria". The Journal of Applied Bacteriology
Proteus_hauseri
Subspecies of grey wolf
dark pelt. This wolf is recognized as a subspecies of Canis lupus in the taxonomic authority Mammal Species of the World (2005). In 2019, a literature review
Mexican_wolf
Genus of archaea
(1986). "Classification of non-alkaliphilic halobacteria based on numerical taxonomy and polar lipid composition, and description of Haloarcula gen. nov
Haloarcula
Subspecies of eucalyptus
July 2019. Kirkpatrick, James Barrie (September 1974). "The numerical intraspecific taxonomy of Eucalyptus globulus Labill. (Myrtaceae)". The Botanical
Eucalyptus globulus subsp. maidenii
Eucalyptus_globulus_subsp._maidenii
Bird of prey
birds include the term "hawk", reflecting traditional usage rather than taxonomy. For example, some people call an osprey a "fish hawk" or a peregrine falcon
Hawk
Species of plant
Al-Mathidy, Aamer; Al-Doskey, Zeravan A.S.; Shehab, Muna O.M. (2023). "Numerical Taxonomy of the Genus Rosa L. (Rosaceae) Grown in the Kurdistan Region of Iraq"
Rosa_deseglisei
Species of protozoan parasite
D, Steinert M (February 1986). "The use of DNA hybridization and numerical taxonomy in determining relationships between Trypanosoma brucei stocks and
Trypanosoma_brucei
Software used in mathematical applications
Mathematical software is software used to model, analyze or calculate numeric, symbolic or geometric data. Mathematical knowledge of techniques such as
Mathematical_software
Topics referred to by the same term
dictionary. In Linnaean taxonomy, genus is the rank between family and species. Genus may also refer to: Genus, a taxonomic rank used for the purpose
Genus_(disambiguation)
Mass extinction event about 66 million years ago
Mexico, as revealed by the ICDP deep drilling at Yaxcopoil-1 and by numerical modeling". Meteoritics & Planetary Science. 39 (7): 1035–1067. doi:10
Cretaceous–Paleogene extinction event
Cretaceous–Paleogene_extinction_event
Fresh-water species of fish
salmon (Salmo salar) and relatives) of the Atlantic Basin. Thus, in 1989, taxonomic authorities moved the rainbow, cutthroat, and other Pacific Basin trout
Rainbow_trout
South African mesemb species
ISBN 978-1-919976-74-7. OCLC 852384288. Glen, H. F. (1986-10-28). "Numerical taxonomic studies in the subtribe Ruschiinae (Mesem-bryanthemaceae) — Astridia
Acrodon_bellidiflorus
Smallest writing units of Chinese characters
naming convention or by conformity to a taxonomy; and Categorization schemes that differentiate strokes by numeric or topical grouping. In classification
Chinese_character_strokes
Girvan-Newman algorithm while yielding similar results. Network topology Numerical taxonomy Tree structure Girvan, M.; Newman, M. E. J. (2002-06-11). "Community
Hierarchical clustering of networks
Hierarchical_clustering_of_networks
Tribe of flies
(van der Wulp, 1874) Roback, Selwyn S.; Moss, W. Wayne (1977). "Numerical Taxonomic Studies on the Congruence of Classifications for the Genera and Subgenera
Procladiini
Gradual variation of the characteristics of a species along its territory
zoologist. Columbia University Press. Felsenstein, Joseph (2013). Numerical Taxonomy. Springer Science & Business Media. ISBN 9783642690242. Darwin, Charles
Cline_(biology)
American journalist (born 1943)
2024. Retrieved February 22, 2023. Carroll, E. Jean (October 2, 2020). "A Taxonomy of Groping: The Below-the-Waist Edition". The Atlantic. Retrieved February
E._Jean_Carroll
Species of snake
viper". Thai National Parks. Retrieved 2024-09-27.{{cite web}}: CS1 maint: numeric names: authors list (link) Kramer, Eugen. 1977. Zur Schlangenfauna Nepals
Trimeresurus_macrops
Class of musical instruments
scheme of musical instrument classification divides membranophones in a numeric taxonomy based on how the sound is produced: 21: by hitting the drumskin with
Membranophone
Species of bird
No. 9147". Official Gazette of the Philippines.{{cite web}}: CS1 maint: numeric names: authors list (link) Juniper, T.; Parr, M. (1998). Parrots: A Guide
Blue-naped_parrot
Discrete, discontinuous representation of information
electronics, especially where real-world information is converted to binary numeric form as in digital audio and digital photography. Since symbols (for example
Digital_data
Species of banana native to Southeast Asia
Initiative. Retrieved June 5, 2011. Deborah A. Karamura (1999). Numerical taxonomic studies of the East African Highland bananas (Musa AAA-East Africa)
Musa_acuminata
Species of mint
Daniel; Reznicek, Gottfried; Saukel, Johannes (2009). "Multivariate Numerical Taxonomy of Mentha Species, Hybrids, Varieties and Cultivars". Scientia Pharmaceutica
Mentha_grandiflora
Species of bird
Classification Committee. Retrieved 24 January 2021.{{cite web}}: CS1 maint: numeric names: authors list (link) Restall, Robin L.; Rodner, Clemencia; Lentino
Azure-naped_jay
Branch of psychology
4 March 2026. Cosmides, L.; Tooby, J. (1999). "Toward an evolutionary taxonomy of treatable conditions". Journal of Abnormal Psychology. 108 (3): 453–464
Evolutionary_psychology
" incertae sedis of uncertain position (seat) Term used to classify a taxonomic group when its broader relationships are unknown or undefined. incredibile
List_of_Latin_phrases_(I)
Birds from the order Strigiformes
independent evolution of bilateral ear asymmetry in owls and implications on owl taxonomy". Philosophical Transactions of the Royal Society of London. Series B,
Owl
British botanist (1950)
University for the thesis "The Systematics of the Chenopodiaceae" using Numerical taxonomy. He worked (1976-1978) as a taxonomist at the Herbarium, Kew Gardens
Andrew_John_Scott_(botanist)
Statistical dispersion in nominal distributions
Lieberson (1969), p. 851. IQV at xycoon Hunter, PR; Gaston, MA (1988). "Numerical index of the discriminatory ability of typing systems: an application
Qualitative_variation
South African biologist (1939–2008)
natural habitats." The book contains an extensive introduction to cetacean taxonomy, anatomy, breathing, feeding, hearing, sound production, social habits
Lyall_Watson
and report evidence of larger size and of reduced morphological and taxonomic variation of algae from the studied site compared to algae from other
2026_in_paleobotany
Genus of flowering plants
Retrieved on 23 February 2007 Small E, Jui PY, Lefkovitch LP (1976). "A Numerical Taxonomic Analysis of Cannabis with Special Reference to Species Delimitation"
Cannabis
Species of mint
Daniel; Reznicek, Gottfried; Saukel, Johannes (2009). "Multivariate Numerical Taxonomy of Mentha Species, Hybrids, Varieties and Cultivars". Scientia Pharmaceutica
Mentha_japonica
Species of primate
(2008). "Interaction location outweighs the competitive advantage of numerical superiority in Cebus capucinus intergroup contests". PNAS. 105 (2): 577–581
Panamanian white-faced capuchin
Panamanian_white-faced_capuchin
Legume cultivated as a grain and oil crop
Archived from the original on May 31, 2024. Retrieved May 31, 2024. USDA GRIN Taxonomy, archived from the original on September 18, 2016, retrieved June 29, 2016
Peanut
Species of moth
service (link) A Study of Chinese Ethmia Hubner (Lepidoptera : Ethmiidae ) in Classification, Distribution and Numerical Taxonomy Japanese Moths v t e
Ethmia_septempunctata
computers facilitated the rapid analysis of large data sets used for numerical taxonomy (also called taximetrics or phenetics). The emphasis on truly natural
History_of_botany
Semantic representation of data type
the corresponding data type term) comprise a taxonomy for the value domains within a data set. This taxonomy is the representation class. Thus the representation
Representation_term
Species of grass
the taxonomic status of Centrolepis minima Kirk (Centrolepidaceae). New Zealand Journal of Botany 52(2): 262–266".{{cite web}}: CS1 maint: numeric names:
Centrolepis_glabra
New Zealand biologist (1938–2024)
and a computer-based approach utilizing the growing awareness of numerical taxonomy. Another paper in 1992, while noting at times the conventional methods
David_Penny
Species of fungus
"Amanita ovoid". Fungipedia. Retrieved 2010-05-24.{{cite web}}: CS1 maint: numeric names: authors list (link) "Amanita ovoidea". Roger's Mushrooms. Archived
Amanita_ovoidea
Identifier for organisations in the publishing industry
A Ringgold Identifier (Ringgold ID or RIN) is a persistent numeric unique identifier for organizations in the publishing industry supply chain. Ringgold's
Ringgold_identifier
Species of owl
independent evolution of bilateral ear asymmetry in owls and implications on owl taxonomy. Philosophical Transactions of the Royal Society of London. B, Biological
Long-eared_owl
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NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
NUMERICAL TAXONOMY
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