Definitions

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

  • n. The specimen or illustration selected as the type of a species or subspecies when the original author of the name did not designate a type.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A biological specimen or illustration later selected to serve as definitive type example of a species or subspecies when the original author of the name did not designate a holotype.

from The Century Dictionary and Cyclopedia

  • n. In the nomenclature of types in natural history, a syntype selected subsequently to the original description, to take the place which in other cases is occupied by a holotype.

Etymologies

From Greek lektos, chosen (from legein, to choose; see leg- in Indo-European roots) + type.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek λέκτος (léktos, "chosen"),from λέγειν (légein, "to choose") + τύπος (týpos, "blow, impression"). (Wiktionary)

Examples

  • A neotype is designated and described for D. formosus and a lectotype is designated and described for D.cyanochloris. posted by Craig Heinselman @ 11: 06 AM

    Archive 2007-01-01

  • The lectotype of Episcoposaurus haplocerus is referable to Desmatosuchus but indeterminate at the species level, and therefore represents a nomen dubium.

    A detailed description of Desmatosuchus

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