from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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. Also called type.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The single physical example (or illustration) of an organism, known to be used when the taxon was formally described.

from The Century Dictionary and Cyclopedia

  • n. A particular individual selected as the type of a species, or the only specimen known at the time of publication of the species.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the original specimen from which the description of a new species is made


from Wiktionary, Creative Commons Attribution/Share-Alike License

holo- + -type


  • A holotype is single specimen or "illustration" designated as the type for naming a species or subspecies.

    Archive 2007-02-01

  • Theretairus (Simpson 1926) is known from two specimens (the holotype is a single dentary from Como Bluff), although some consider it to be a juvenile form of Opisthias.

    Archive 2008-03-01

  • MCZ 1102, the holotype skull of Triceratops "eurycepahlus" Shlaikjer 1935 (now considered conspecific with T. horridus).

    Howard Hughes Wanders Out Among the Artifacts

  • Photograph and line drawing of holotype specimen of Limusaurus inextricabilis (scale bar = 5 cm).

    "This flood will swallow all you've left behind."

  • Originally described as Megalosaurus parkeri in 1923, the holotype was referred to a new genus in 1964.

    My Birth Dinosaur!

  • The holotype of M. acetabulosus is from Mauritius and the new taxon described herein is from La Réunion.

    Archive 2008-11-01

  • They depicted the holotype and paratypes of the species in photographs, and a specimen of the species had been unavailable for preservation and examination.

    Archive 2008-12-01

  • Several holotype specimens are on display and have been available for research.

    Archive 2009-06-01

  • Cope (I'm still strugglingwith the fact he was a Quaker and acted like this) more recently made news in 2007, when news came outthat Cope had sought to make his own remains the holotype specimin forhomo sapiensand that one of his biggest fans,dino guy Robert Bakker (no ego-slouch himself), campaigned hard to make Cope's bones the holotype for all humanity.


  • The holotype measures just under 3 feet in length, and exhibits a brownish coloration with spotted locales of yellowish-white.

    Archive 2007-03-01


Log in or sign up to get involved in the conversation. It's quick and easy.

  • You should have dropped in to say hello!

    July 31, 2009

  • I must have first read this in Darwin, J. Browne's biography.

    July 31, 2009