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holotype

American  
[hol-uh-tahyp, hoh-luh-] / ˈhɒl əˌtaɪp, ˈhoʊ lə- /

noun

Biology.
  1. the type specimen used in the original description of a species.


holotype British  
/ ˈhɒləˌtaɪp /

noun

  1. biology another name for type specimen

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

holotype Scientific  
/ hŏl′ə-tīp′,hō′lə- /
  1. The single specimen or illustration designated as the type for naming a species or subspecies or used as the basis for naming a species or subspecies when no type has been selected.

  2. Also called type species


Other Word Forms


Etymology

Origin of holotype

First recorded in 1895–1900; holo- + -type


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"At the time, the prevailing consensus was that the Nanotyrannus holotype skull represented an immature Tyrannosaurus rex, and was not a separate species," said Griffin, assistant professor of geosciences at Princeton.

From Science Daily ● Apr. 15, 2026

But designating a neotype "usually relies on other people being able to determine whether or not you can find a specimen of the same species from the same locality" as the holotype, said Seago.

From Salon ● Jul. 7, 2023

But in Brazil, 90% of holotype fossils described by foreign researchers were housed in foreign collections, which goes against Brazilian law.

From Science Magazine ● Mar. 1, 2022

The Smithsonian National Museum of Natural History’s skeleton, nicknamed “the Nation’s T. rex,” has been anointed the holotype for Tyrannosaurus regina.

From New York Times ● Feb. 28, 2022

Unfortunately no young male of C. m. mearnsi of the same age as the holotype of C. pediculus is available.

From Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores by E. Raymond (Eugene Raymond) Hall

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