taxonomy
Enable an agent to recognise taxonomy as a field of biological inquiry, assess the basis and currency of its classifications, and determine when taxonomic conclusions can be used or require specialist review.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
recalled by Codex without web access - no source was read
Researched by: Codex
Purpose and description
Enable an agent to recognise taxonomy as a field of biological inquiry, assess the basis and currency of its classifications, and determine when taxonomic conclusions can be used or require specialist review.
Taxonomy is the discipline concerned with discovering, delimiting, describing, naming and classifying groups of organisms, although the term also denotes classification practices and their resulting schemes in other domains.
It can be Determine which taxonomic expertise and nomenclatural framework a biological classification problem requires.; Compare competing treatments by their taxon concepts, evidence and sampling rather than name strings alone.; Trace an identification or revision to the specimens, observations and publications supporting it.; Assess whether available evidence supports applying an existing concept or warrants a proposed revision.; Flag ambiguous name usage, conflicting classifications and unresolved delimitations for specialist review.; Assess downstream effects of taxonomic changes on biological records while preserving their original identifications..
Distinguishing features
Its investigations concern the identity, boundaries, names or classification of organism groups; organising arbitrary information into categories does not establish this biological sense.
A taxonomic conclusion must distinguish the circumscription of a taxon from the name applied to it, because these can change independently.
Compliance with naming rules does not by itself establish that a proposed taxon is biologically well supported.
Identifying a specimen applies a taxon concept, whereas describing or revising a taxon establishes or changes the concept being applied.
A phylogenetic hypothesis informs relationships among organisms but does not alone determine which ranks or names a classification must adopt.
Scope
+ Organisms and taxa as subjects of taxonomic investigation
+ Methods and evidence used to delimit and distinguish taxa
+ Relationships between taxon concepts, scientific names and classifications
+ Practices for descriptions, identifications and taxonomic revisions
+ Disciplinary boundaries, specialist communities and institutional markers
- An individual taxon or organism as an independently modelled thing
- A particular classification scheme as an information artifact
- General-purpose business taxonomies, thesauri and ontologies
- Evolutionary history and phylogenetic inference except where they support taxonomic decisions
- Practitioners, collections, societies and publications as independently modelled entities
- Nomenclatural codes as independently maintained rule systems
Characteristics
- Organismal remit
- Organism groups and inclusion or exclusion of fossil, extant and other boundary cases Determines which evidence, specialist expertise and naming conventions are relevant.
- Taxonomic activity
- Delimitation, description, identification, naming, classification or revision; multiple values permitted Separates activities that require different evidence and produce different kinds of conclusions.
- Species or taxon concept
- Explicitly stated concept and operational criteria, or unresolved Makes the assumptions behind boundaries assessable and explains some disagreements between treatments.
- Evidence basis
- Morphological, molecular, ecological, behavioural, reproductive, geographical, palaeontological or combined Shows what supports a decision and where independent corroboration is missing.
- Nomenclatural framework
- Applicable code or convention, edition and organismal jurisdiction Determines which naming procedures and status terms apply.
- Concept attribution
- Taxon concept linked to an author, treatment, date or version Prevents identical name strings from being treated as proof of identical biological scope.
- Treatment status
- Proposed, adopted by a named authority, disputed, superseded or unresolved Supports use decisions without presenting acceptance as universal.
- Sampling coverage
- Counts of examined specimens, populations, localities and characters, with their sampling scope Helps assess whether a proposed distinction reflects broader variation or a narrow sample.
Also called
Where this came from
wikidata · CC0 1.0
Also registered as vr.tr.taxonomy
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 5 bundles · 9 layers · 16 findings · 28 questions.
Disciplinary remit Establishes which sense of taxonomy is being modelled and how its biological work is bounded.
Taxonomy can denote a discipline or an organising artifact, and biological taxonomy overlaps with neighbouring fields.
Subject and activity
Identifies the biological subjects and taxonomic operations covered.
Biological taxonomy sense
Record whether the intended subject is the discipline of investigating and classifying organism groups, and specify its organismal remit.
- Does this registry entry denote biological taxonomy as a discipline, and what evidence establishes that sense? definition
- Which organism groups and which activities - delimitation, description, identification, naming or classification - fall within the adopted remit? boundary
Neighbouring fields
Records the convention used to distinguish taxonomy from systematics, phylogenetics and nomenclature.
Disciplinary boundary convention
Make the adopted boundary explicit rather than assuming that all communities use these disciplinary terms identically.
- Which handbook, learned society or other disciplinary authority supplies the adopted relationship between taxonomy and systematics? provenance
- Which questions are referred to phylogenetic inference or nomenclatural adjudication rather than settled by taxonomic delimitation? boundary
Delimitation and evidence Captures how taxonomic boundaries are proposed, tested and revised.
A classification is assessable only when the criteria and observations supporting its distinctions are recoverable.
Concepts and diagnoses
Separates assumptions about taxon boundaries from the features used to recognise them.
Operational delimitation
Record the adopted taxon concept, its decision criteria and the diagnosis used to distinguish the proposed group from close alternatives.
- Which species or higher-taxon concept is being applied, and how is it translated into observable decision criteria? definition
- Which comparison groups and forms of within-group variation must the proposed diagnostic features distinguish? boundary
Sampling and corroboration
Assesses the observations, reference material and coverage behind a delimitation.
Evidence adequacy
Record examined material, analytical methods and coverage limits, including disagreement between evidence types.
- Which specimens, voucher records, sequences or published observations support the proposed boundary? provenance
- How well do the samples cover geographical range, life stages, sexes and other relevant sources of variation? measurement
- What additional observation or comparison would discriminate between competing delimitations? action
Names, concepts and classification Distinguishes naming rules, biological circumscriptions and placement within classifications.
Agents must avoid equating a name's formal status with biological support or universal acceptance of a taxon.
Nomenclatural application
Identifies the applicable naming framework and evidence for applying a name.
Name-bearing reference
Record the relevant code, original naming act and type or other name-bearing reference required by that framework, without treating it as a complete definition of taxon boundaries.
- Which nomenclatural code or convention governs this name, and which edition or provisions are relevant? provenance
- What original publication and name-bearing reference establish the name's application under that framework? provenance
- Which naming-status terms must be kept separate from judgments about biological distinctness? boundary
Circumscription and placement
Tracks which organisms a treatment includes and how it relates their group to other taxa.
Attributed taxon concepts
Attach circumscription, rank, placement and synonymy judgments to a specified treatment so that competing classifications remain distinguishable.
- According to which treatment does this name include these organisms and occupy this rank and parent group? provenance
- Do two treatments describe congruent, overlapping, broader, narrower or disjoint taxon concepts, and what evidence supports that comparison? boundary
- How should records be mapped after a split, lump or reassignment when the original identification lacks enough detail? action
Practice, authority and use Connects taxonomic work to disciplinary institutions, review practices and responsible application.
Taxonomic conclusions develop through specialist practice, and agents need an attributable basis for choosing and using a treatment.
Disciplinary institutions
Locates the field through specialist communities, research infrastructure and knowledge classifications.
Institutional markers
Record verified societies, journals, training programmes, collections and classification entries that identify taxonomy as a field, with their organismal or regional scope.
- Which societies, journals, training programmes and curated collections explicitly support taxonomic research in the relevant organism group? provenance
- Which entries in named editions of knowledge-classification schemes place taxonomy, and do they distinguish it from systematics or general classification? boundary
Review and operational use
Determines when an agent may apply a treatment and when unresolved evidence requires review.
Treatment selection and revision
Record the chosen authority, version, competing interpretations and criteria for applying or reconsidering a taxonomic treatment.
- Which checklist, revision or specialist treatment is adopted for this task, and what alternatives or unresolved disputes does it leave? provenance
- What evidence permits an identification at the proposed rank, and when should the agent retain an uncertain or broader identification? action
- Which new revision or conflicting observation should trigger reassessment of dependent biological records? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- The unqualified name is ambiguous: this description uses the biological discipline sense, but INF.KNW could instead indicate general classification or knowledge organization.
- Standards and identifier schemes are recalled, not checked against their current editions or database policies.
- Taxonomic ranks have no universal quantitative thresholds, and species boundaries depend partly on the organisms and species concepts involved.
- Which of these check these first hold for the sense of taxonomy this model covers, and on what evidence? provenance
Kinds and varieties
Recalled without web access and unsourced; every item is a lead to verify.
- Descriptive taxonomy
- Numerical taxonomy
- Molecular taxonomy
- Integrative taxonomy
- Which of these kinds and varieties hold for the sense of taxonomy this model covers, and on what evidence? provenance
Identifiers and schemes
Recalled without web access and unsourced; every item is a lead to verify.
- Scientific names under biological nomenclatural codes - Genus name followed by a specific epithet for species - Names identify taxa within a nomenclatural framework; they are not permanent identifiers of an unchanged taxonomic circumscription.
- NCBI Taxonomy identifier - Integer TaxID - Identifies a taxonomic entry in the NCBI Taxonomy database, not the discipline itself.
- Which of these identifiers and schemes hold for the sense of taxonomy this model covers, and on what evidence? provenance
Standards and regulation
Recalled without web access and unsourced; every item is a lead to verify.
- International Code of Zoological Nomenclature - International Commission on Zoological Nomenclature.
- International Code of Nomenclature for algae, fungi, and plants - adopted through International Botanical Congresses.
- International Code of Nomenclature of Prokaryotes - International Committee on Systematics of Prokaryotes.
- International Code of Virus Classification and Nomenclature - International Committee on Taxonomy of Viruses.
- Which of these standards and regulation hold for the sense of taxonomy this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Describing species and revising the boundaries of previously recognized taxa.
- Organizing biological collections and biodiversity inventories.
- Connecting sequence records, specimens and observations through taxonomic references.
- Supporting conservation assessments and identification of invasive organisms.
- Providing organism names used in agriculture, medicine and biosecurity.
- Which of these real-world use hold for the sense of taxonomy this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Treating identical names as proof that different sources mean the same taxon.
- Overlooking cryptic species or mistaking variation within a species for separate species.
- Basing classifications on misidentified specimens, contaminated sequences or inadequate sampling.
- Assuming nomenclatural compliance establishes the biological validity of a taxonomic interpretation.
- Propagating outdated classifications across databases without recording versions or provenance.
- Which of these failure modes and hazards hold for the sense of taxonomy this model covers, and on what evidence? provenance
Regional variation
Recalled without web access and unsourced; every item is a lead to verify.
- Scientific nomenclatural codes are international, while vernacular names vary by language and locality.
- Regional checklists can adopt different taxonomic treatments and update schedules.
- Which of these regional variation hold for the sense of taxonomy this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- Systematics - Systematics studies biological diversity and relationships more broadly; taxonomy concentrates on delimiting, describing, naming and classifying taxa, although disciplinary boundaries overlap.
- Nomenclature - Nomenclature governs the formation and application of names; taxonomy determines which groups are recognized and how they are circumscribed.
- Phylogenetics - Phylogenetics reconstructs evolutionary relationships; taxonomy uses such relationships alongside other evidence to recognize and classify taxa.
- Identification - Identification assigns an organism or specimen to an existing taxon; taxonomy can establish or revise the taxa themselves.
- Knowledge organization taxonomy - An information taxonomy organizes concepts or content into categories; its categories need not represent organisms or evolutionary relationships.
- Ontology - An ontology explicitly models entities and relationships with defined semantics; a taxonomy can provide classification without that broader formal structure.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of taxonomy this model covers, and on what evidence? provenance
What the second pass must settle
- Does vr.tr.taxonomy-q7211 explicitly denote biological taxonomy as a discipline, or a broader science of classification?
- Which authoritative disciplinary definition should fix its boundary with systematics and nomenclature?
- Does an existing Vercy world model already cover this concept, requiring a registry link rather than a separate publication?
- Which nomenclatural frameworks and boundary cases, including viruses and fossil organisms, must the researched model cover?
- Which verified classification codes, learned societies, journals and defining handbooks best establish the field without privileging one organism group?