Branchoria Cryptozoology Cryptozoology

Evidence-led pages on famous cryptids, real discoveries, folklore, and scientific tests.

Within Proof

The Specimen Behind Every Species Name

The holotype system explains why a new species name must be tied to a single reference point that future scientists can compare.

On this page

  • What a holotype does in zoological naming
  • Why a name without a type becomes unstable
  • How the rule applies to cryptid claims
Preview for The Specimen Behind Every Species Name

Introduction

For a mystery animal to become a recognised species, it is not enough to have a convincing sighting, a clear photograph, or even a collection of reports. Zoological naming rules require a stable reference point that future researchers can examine and compare. That reference point is usually the holotype: the single specimen to which a species name is permanently attached. Under the rules of the International Code of Zoological Nomenclature (ICZN), the holotype acts as the objective anchor for a species name, helping prevent confusion when scientists disagree about classification or discover new material later.[code.iczn.org]code.iczn.orgArticle 73Name-bearing types fixed in the original publication…A holotype is the single specimen upon which a new nominal species-group taxon is…Holotypes illustration 1 This requirement is especially important in cryptozoology. Many cryptid claims involve ambiguous evidence that different observers interpret in different ways. A holotype provides a way to move beyond stories and arguments by tying a name to something tangible that can be re-examined. Without that anchor, a proposed mystery animal has no stable scientific identity.[Natural History Museum]nhm.ac.ukNatural History MuseumWhat is a type specimen?A holotype is the individual specimen to which the name of a species is attached. It acts a…

What a holotype does in zoological naming

A holotype is the single specimen on which a new species-group name is based when that species is formally described. Once designated, it becomes the name-bearing type for that species. The purpose is not to represent every feature of the species perfectly. Instead, it provides an objective reference that determines how the name is applied.[code.iczn.org+2iczn.org]code.iczn.orgArticle 73Name-bearing types fixed in the original publication…A holotype is the single specimen upon which a new nominal species-group taxon is…

This distinction is often misunderstood. Scientists do not identify animals by checking whether they match every detail of a holotype. Rather, the holotype serves as the ultimate reference if disagreements arise. If researchers later debate whether two populations belong to the same species or different ones, they can compare the evidence against the original type specimen.[Natural History Museum]nhm.ac.ukNatural History MuseumWhat is a type specimen?A holotype is the individual specimen to which the name of a species is attached. It acts a…

The ICZN’s system of typification was designed specifically to create stability. A species name is attached to a specimen, not to a verbal description, a drawing, or a changing scientific opinion. As classifications evolve, the name remains connected to the same physical reference point.[code.iczn.org+2Liverpool Museums]code.iczn.orgOpen source on iczn.org.

In practice, a formal species description normally includes:<div class="content-enhancement content-enhancement--caution" markdown="1">

  • Identification of the holotype.
  • Information about where it was collected.
  • Details of the institution or collection where it is stored.
  • Diagnostic characteristics that distinguish it from related species.
  • A formally published scientific name.[OUP Academic]academic.oup.comOUP AcademicHow to describe a new species in zoology and avoid mistakesby MF Braby · 2024 · Cited by 61 — When designating a holotype, th…</div>

The result is a record that can be checked decades or even centuries later.

Red labels - the mystery of the type specimens

Channel: Statens Naturhistoriske Museum

Open on YouTube

Why a name without a type becomes unstable

Before formal typification became standard, some species names were based on vague descriptions, illustrations, or multiple specimens with no clear primary reference. Such situations created lasting confusion because later researchers could not always determine exactly what organism the original author meant.[Liverpool Museums]liverpoolmuseums.org.ukLiverpool Museums What's a type?A guide to type specimensThe Code also formalised the principle of “typification”. This is the principle that each described species has…

The holotype system reduces that uncertainty. Even if scientists later revise a species description, sequence its DNA, or move it to a different genus, the name remains anchored to the same specimen. This continuity is one of the central goals of zoological nomenclature.[iczn.org]iczn.orgInternational Commission on Zoological NomenclatureThe International Commission on Zoological Nomenclature (ICZN) acts as adviser and arb…

The importance of a type becomes most obvious when something goes wrong. If a holotype is lost or destroyed, zoological rules provide mechanisms such as the designation of a neotype—a replacement name-bearing specimen—but only under specific conditions and when doing so is necessary to preserve taxonomic stability.[ResearchGate+2type.kahaku.go.jp]researchgate.netWhen zoological type specimens are lost: ICZN-compliant…Sep 12, 2018 — We will focus on three aspects: (1) When neotypes a…

A species name without a traceable type specimen can become difficult to interpret. Researchers may disagree about what the name refers to, whether it applies to a known species, or whether it should continue to be used at all. The type system exists largely to prevent such disputes from becoming permanent.[code.iczn.org]code.iczn.orgOpen source on iczn.org.Holotypes illustration 2

How the rule applies to cryptid claims

How to Describe a New Species In 3 Easy Steps

Channel: Canadian Museum of Nature

Open on YouTube

Can a species be named without a preserved specimen?

The modern rules are more flexible than many people realise, but they remain cautious. The ICZN introduced recommendations addressing unusual cases in which a preserved specimen is unavailable. These recommendations require authors to explain in detail why a preserved type could not be used and why naming the taxon is necessary despite that limitation.[iczn.org]iczn.orgSpecific reasons for designation of an unpreserved specimen as the name-bearing type. An author should provide detailed reasoning…Read…

Importantly, this is not a general invitation to name animals from photographs alone. The recommendations were developed largely to address specialised situations involving organisms that are difficult or impossible to preserve adequately. The overall direction of modern nomenclature still strongly favours preserved, accessible type material whenever feasible.[iczn.org+2ResearchGate]iczn.orgSpecific reasons for designation of an unpreserved specimen as the name-bearing type. An author should provide detailed reasoning…Read…

For cryptid claims, this means that an image, video, or anecdote is unlikely to satisfy the evidential expectations associated with naming a new animal. Even where the Code permits exceptional circumstances, researchers are expected to justify them rigorously rather than treat them as the norm.[iczn.org]iczn.orgSpecific reasons for designation of an unpreserved specimen as the name-bearing type. An author should provide detailed reasoning…Read…Holotypes illustration 3

The practical lesson for mystery animals

Holotype: the name bearer of a species

Channel: Berkeley Natural History Museums

Open on YouTube

        See on Amazon</a></div></div></article><article class="fr-book-card"><a class="fr-book-cover" href="https://www.amazon.com/s?k=Abominable+Science%21+by+Daniel+Loxton&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" aria-label="Open Abominable Science! on Amazon"><span class="fr-book-cover-fallback">Book</span><img class="fr-book-cover-thumb" src="https://books.google.com/books/content?id=kTsgAAAAQBAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;edge=curl&amp;source=gbs_api" alt="Cover for Abominable Science!" loading="lazy" decoding="async" fetchpriority="low" referrerpolicy="no-referrer" onerror="this.hidden=true;this.closest('.fr-book-cover').classList.add('fr-book-cover-placeholder');"></a><div class="fr-book-info"><h4 class="fr-book-title"><a href="https://www.amazon.com/s?k=Abominable+Science%21+by+Daniel+Loxton&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" title="Abominable Science!">Abominable Science!</a></h4><p class="fr-book-author">By Daniel Loxton, Donald R. Prothero</p><p class="fr-book-desc">Contrasts folklore claims with formal zoological standards.</p><div class="fr-book-actions"><a href="https://www.amazon.com/s?k=Abominable+Science%21+by+Daniel+Loxton&amp;i=stripbooks&amp;tag=searcht-20" class="fr-amazon-btn" target="_blank" rel="sponsored noopener noreferrer">
        See on Amazon</a></div></div></article><article class="fr-book-card"><a class="fr-book-cover" href="https://www.amazon.com/s?k=The+Variety+of+Life+by+Colin+Tudge&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" aria-label="Open The Variety of Life on Amazon"><span class="fr-book-cover-fallback">Book</span><img class="fr-book-cover-thumb" src="https://books.google.com/books/content?id=IlvQwAEACAAJ&amp;printsec=frontcover&amp;img=1&amp;zoom=1&amp;source=gbs_api" alt="Cover for The Variety of Life" loading="lazy" decoding="async" fetchpriority="low" referrerpolicy="no-referrer" onerror="this.hidden=true;this.closest('.fr-book-cover').classList.add('fr-book-cover-placeholder');"></a><div class="fr-book-info"><h4 class="fr-book-title"><a href="https://www.amazon.com/s?k=The+Variety+of+Life+by+Colin+Tudge&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" title="The Variety of Life">The Variety of Life</a></h4><p class="fr-book-author">By Colin Tudge</p><p class="fr-book-desc">Explains how species are identified and organized.</p><div class="fr-book-actions"><a href="https://www.amazon.com/s?k=The+Variety+of+Life+by+Colin+Tudge&amp;i=stripbooks&amp;tag=searcht-20" class="fr-amazon-btn" target="_blank" rel="sponsored noopener noreferrer">
        See on Amazon</a></div></div></article><article class="fr-book-card"><a class="fr-book-cover fr-book-cover-placeholder" href="https://www.amazon.com/s?k=The+Princeton+Guide+to+Evolution+by+Jonathan+B.+Losos&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" aria-label="Open The Princeton Guide to Evolution on Amazon"><span class="fr-book-cover-fallback">Book</span></a><div class="fr-book-info"><h4 class="fr-book-title"><a href="https://www.amazon.com/s?k=The+Princeton+Guide+to+Evolution+by+Jonathan+B.+Losos&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer" title="The Princeton Guide to Evolution">The Princeton Guide to Evolution</a></h4><p class="fr-book-author">By Jonathan B. Losos</p><p class="fr-book-desc">Provides background on species concepts and classification.</p><div class="fr-book-actions"><a href="https://www.amazon.com/s?k=The+Princeton+Guide+to+Evolution+by+Jonathan+B.+Losos&amp;i=stripbooks&amp;tag=searcht-20" class="fr-amazon-btn" target="_blank" rel="sponsored noopener noreferrer">
        See on Amazon</a></div></div></article></div><div class="fr-section-footer"><div class="fr-browse-links" aria-label="Browse more on Amazon"><span class="fr-browse-links-label">Browse more on Amazon:</span><a class="fr-browse-more" href="https://www.amazon.com/s?k=Why+Evolution+is+True&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer">Why Evolution is True</a><a class="fr-browse-more" href="https://www.amazon.com/s?k=Abominable+Science%21&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer">Abominable Science!</a><a class="fr-browse-more" href="https://www.amazon.com/s?k=The+Variety+of+Life&amp;i=stripbooks&amp;tag=searcht-20" target="_blank" rel="sponsored noopener noreferrer">The Variety of Life</a></div><p class="fr-disclosure">As an Amazon Associate I earn from qualifying purchases.</p></div></div></section>

Amazon book picks

Further Reading

Books and field guides related to The Specimen Behind Every Species Name. Use these as the next step if you want deeper reading beyond the article.

Browse more on Amazon: The Diversity of Life Why Evolution is True Abominable Science!

As an Amazon Associate I earn from qualifying purchases.

eBay marketplace picks

Marketplace Samples

Live-tested eBay searches with available results related to this page.

UsingUSA
Browse more oneBay.co.uk

Example items shown for inspiration; availability and pricing can change. Branchoria may earn a commission if you purchase through outbound eBay links.

Endnotes

1. Source: code.iczn.org
Title: Article 73
Link:https://code.iczn.org/types-in-the-species-group/article-73-name-bearing-types-fixed-in-the-original-publication-holotypes-and-syntypes/

<summary>Source snippet</summary><p>Name-bearing types fixed in the original publication…A holotype is the single specimen upon which a new nominal species-group taxon is…</p>

2. Source: code.iczn.org
Link:https://code.iczn.org/the-type-concept-in-nomenclature/article-61-principle-of-typification/

3. Source: iczn.org
Link:https://www.iczn.org/outreach/faqs/

<summary>Source snippet</summary><p>Frequently Asked QuestionsNeotype – A single specimen designated as the name-bearing type of a species name when the original type(s) is…</p>

4. Source: type.kahaku.go.jp
Link:https://type.kahaku.go.jp/TypeDB/description?type=ICZN

<summary>Source snippet</summary><p>s in International Code of Zoological NomenclatureHolotype: The single specimen (except in the case of a hapantotype) designated or…</p>

5. Source: iczn.org
Link:https://www.iczn.org/

<summary>Source snippet</summary><p>International Commission on Zoological NomenclatureThe International Commission on Zoological Nomenclature (ICZN) acts as adviser and arb…</p>

6. Source: academic.oup.com
Link:https://academic.oup.com/zoolinnean/article/202/4/zlae043/7664331

<summary>Source snippet</summary><p>OUP AcademicHow to describe a new species in zoology and avoid mistakesby MF Braby · 2024 · Cited by 61 — When designating a holotype, th…</p>

7. Source: code.iczn.org
Title: article 16 names published after 1999
Link:https://code.iczn.org/chapter-4-criteria-of-availability/article-16-names-published-after-1999/

<summary>Source snippet</summary><p>Article 16. Names published after 1999Every new name published after 1999, including new replacement names (nomina nova), must be explici…</p>

8. Source: researchgate.net
Link:https://www.researchgate.net/publication/356174382_When_zoological_type_specimens_are_lost_ICZN-compliant_guidelines_for_when_and_when_not_to_designate_neotypes_Version_12-ix-2018

<summary>Source snippet</summary><p>When zoological type specimens are lost: ICZN-compliant…Sep 12, 2018 — We will focus on three aspects: (1) When neotypes a…</p>

9. Source: code.iczn.org
Title: article 72 general provisions
Link:https://code.iczn.org/types-in-the-species-group/article-72-general-provisions/

<summary>Source snippet</summary><p>72. General provisionsThe fact that a specimen is already the name-bearing type, or part of the name-bearing type, of one nominal species…</p>

10. Source: iczn.org
Link:https://www.iczn.org/the-code/declaration-45-addition-of-recommendations/

<summary>Source snippet</summary><p>Specific reasons for designation of an unpreserved specimen as the name-bearing type. An author should provide detailed reasoning…Read…</p>

11. Source: researchgate.net
Title: not as a replacement for, a preserved type specimen. View.Read more
Link:https://www.researchgate.net/publication/334382567_ICZN_Declaration_45_a_remedy_for_the_nomenclatural_and_typification_dilemma_regarding_soft-bodied_meiofaunal_organisms

<summary>Source snippet</summary><p>ResearchGate(PDF) ICZN Declaration 45: a remedy for the nomenclatural…14 Jul 2019 — Modern taxonomic descriptions lacking preserved sp…</p>

12. Source: iczn.org
Link:https://www.iczn.org/the-code/the-code-online/

13. Source: iczn.org
Link:https://www.iczn.org/cases/declarations/

<summary>Source snippet</summary><p>Opinions and Declarations rendered by the ICZN, 1(6): 41-48. BHL. ICZN 1943: Declaration 7 (no Case registration) On the need for quoting…</p>

14. Source: researchgate.net
Link:https://www.researchgate.net/post/Are-holotypes-still-being-deposited-in-private-collections-or-in-collections-that-do-not-meet-ICZN-recommendations-Does-anyone-have-recent-examples

<summary>Source snippet</summary><p>Preservation and deposition of type specimens. Recognizing that name-bearing types are international standards of reference…</p>

15. Source: researchgate.net
Title: Only the problem is I do not have other materials
Link:https://www.researchgate.net/post/Is_it_correct_to_describe_a_new_species_with_a_single_HOLOTYPE_material

<summary>Source snippet</summary><p>Is it correct to describe a new species with a single…Sep 16, 2021 — I have material that I have confirmed to be a new species (morpho…</p>

16. Source: researchgate.net
Link:https://www.researchgate.net/post/If-a-new-species-is-described-using-1-holotype-and-multiple-syntypes-which-specimens-is-are-the-types-Is-the-name-actually-available

<summary>Source snippet</summary><p>(The author…</p>

17. Source: researchgate.net
Link:https://www.researchgate.net/publication/368426505_International_Code_of_Zoological_Nomenclature_and_its_importance

<summary>Source snippet</summary><p>name-bearing types. For the purposes of the Code, three categories of specimens are. regulated, namely, type series (72.1.1), name bearin…</p>

18. Source: researchgate.net
Link:https://www.researchgate.net/post/If_a_species_is_described_from_a_whole_specimen_that_is_split_into_two_or_more_museum_lots_is_the_holotype_both_of_the_lots_or_just_one

<summary>Source snippet</summary><p>If a species is described from a whole specimen that is split…13 Oct 2015 — Here's a question for the ICZN buffs out there: If a speci…</p>

19. Source: researchgate.net
Link:https://www.researchgate.net/post/Is-it-correct-to-describe-a-new-species-without-type-material

<summary>Source snippet</summary><p>Is it correct to describe a new species without type material?20 Aug 2016 — In the last years there are some examples of description of n…</p>

20. Source: academic.oup.com
Link:https://academic.oup.com/zoolinnean/article-pdf/doi/10.1093/zoolinnean/zlae043/57399777/zlae043.pdf

<summary>Source snippet</summary><p>to describe a new species in zoology and avoid…by MF Braby · 2024 · Cited by 61 — bearing type is the 'type species' (Article 67); and…</p>

21. Source: nhm.ac.uk
Link:https://www.nhm.ac.uk/discover/what-is-a-type-specimen.html

<summary>Source snippet</summary><p>Natural History MuseumWhat is a type specimen?A holotype is the individual specimen to which the name of a species is attached. It acts a…</p>

22. Source: liverpoolmuseums.org.uk
Title: Liverpool Museums What’s a type?
Link:https://www.liverpoolmuseums.org.uk/stories/whats-type-guide-type-specimens

<summary>Source snippet</summary><p>A guide to type specimensThe Code also formalised the principle of “typification”. This is the principle that each described species has…</p>

23. Source: Wikipedia
Title: International Code of Zoological Nomenclature
Link:https://en.wikipedia.org/wiki/International_Code_of_Zoological_Nomenclature

<summary>Source snippet</summary><p>International Code of Zoological NomenclatureThe International Code of Zoological Nomenclature (ICZN) is a widely accepted convention…</p>

24. Source: Wikipedia
Link:https://en.wikipedia.org/wiki/Holotype

<summary>Source snippet</summary><p>HolotypeA holotype is a single physical example (or illustration) of an organism that is the one that was used when the species (or lo…</p>

25. Source: bio-nica.info
Link:https://www.bio-nica.info/biblioteca/ICZNCode.pdf

<summary>Source snippet</summary><p>International Code of Zoological Nomenclatureby F Edition · 1999 · Cited by 1 — For species and subspecies this name-bearing type is eith…</p>

Additional References

26. Source: animalbase.uni-goettingen.de
Link:https://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/loadcachedpage?url=animalbase-code-col.html

<summary>Source snippet</summary><p>CodeThe Code regulates names of animals on family, genus and species level. 1.3. No names for hypothetical concepts, abnormal specimens a…</p>

27. Source: animalbase.uni-goettingen.de
Link:https://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/loadcachedpage?url=animalbase-code.html

<summary>Source snippet</summary><p>CodeThe Code regulates names of animals on family, genus and species level. 1.3. No names for hypothetical concepts, abnormal specimens a…</p>

28. Source: slideshare.net
Link:https://www.slideshare.net/slideshow/international-code-of-zoological-nomenclature-e4b5/262187453

<summary>Source snippet</summary><p>CODE OF ZOOLOGICAL…The International Code of Zoological Nomenclature (ICZN) is a set of rules that governs the scientific names of ani…</p>

29. Source: semanticscholar.org
Link:https://www.semanticscholar.org/paper/f88a64c55dfe804a1b73d7fd859fc7ca6b8c8f51

30. Source: bokulich.org
Link:https://bokulich.org/wp-content/uploads/2020/09/understanding-scientific-types-accepted.pdf

<summary>Source snippet</summary><p>International Code of Zoological Nomenclature), a holotype is defined as "the single specimen upon which a new nominal…Read more…</p>

31. Source: svpow.com
Link:https://svpow.com/checklist-for-new-zoological-genus-and-species-names-draft/

<summary>Source snippet</summary><p>enus; a new species name must not have previously been used in the same genus…Read more…</p>

32. Source: academia.edu
Title: ICZ N (International Code of Zoological Nomenclature)
Link:https://www.academia.edu/Documents/in/ICZN_International_Code_of_Zoological_Nomenclature_/TopPapers

<summary>Source snippet</summary><p>Declaration 45 which allows photomicrographs to serve as nomenclatural types when physical specimens cannot be preserved. It clarifies ho…</p>

33. Source: vedantu.com
Link:https://www.vedantu.com/neet/full-form-of-iczn

<summary>Source snippet</summary><p>formal scientific naming of animals.Read more…</p>

34. Source: amnh.org
Title: type specimens guide
Link:https://www.amnh.org/explore/news-blogs/type-specimens-guide

<summary>Source snippet</summary><p>American Museum of Natural HistoryUnderstanding Type Specimens: A Brief Guide26 Feb 2015 — A holotype is the single specimen that a resea…</p>

35. Source: zookeys.pensoft.net
Link:https://zookeys.pensoft.net/article/10945/

<summary>Source snippet</summary><p>commentary on the practice of using the so-called typeless…by AI Shatalkin · 2017 · Cited by 10 — To describe typeless species without…</p>

Topic Tree

Follow this branch

Parent topic

Proof What Would Prove a Cryptid Is Real?

Related pages 5