holotype

(redirected from holotypes)
Also found in: Dictionary, Thesaurus, Medical.

holotype

[′häl·ə‚tīp]
(systematics)
A nomenclatural type for the single specimen designated as “the type” by the original author at the time of publication of the original description.
References in periodicals archive ?
Holotype antennatus: [male] SOUTH AFRICA: Free State: nr Bothaville [27[degrees]23'S:26[degrees]36'E], iv-vi.
Paratypes: 9[male] 6[female] same data as holotype (CUK, except 1C in BMNH, NTs 22895).
Holotype (examined): [female] "Named by Claude Morley [printed text; further text is hand-written] Thersilochus evanescens, Morl.
1 M 2 F holotype, allotype, paratype Sugar Grove, Ohio.
Of the 26 newly proposed taxa, only 11 have designated holotypes from the presumed breeding range of the taxon; the other 15 are named from specimens taken in migration or in wintering areas.
The specimens, which Gravitis (1981) chose as holotypes or paratypes of the four remaining new species, cannot be identified at the species level because they are fragmentary, poorly preserved, or juvenile.
Female holotype from Rio Xingo [Mato Grosso, Para], Brazil in MNRJ, examined.
The reference to the original publication, including the original generic position, the type locality, the collector and the cited dimensions of the type specimen(s), is provided for each species, followed by information from the label for each type in the NMSA collection (catalogue number, type locality and collector) and measured dimensions of the holotype.
The process begins with positioning a holotype specimen under a specialized camera with a single-column lens attached to a vertical joist and taking stacks of photographs throughout the depth of the specimen.
7) in head length; dentition typical of the genus, front and upper jaw with three pairs of canine teeth anteriorly at side of upper jaw, anterior pair forward projecting, next two pairs increasing in length and more recurved and laterally projecting; upper with closely set small conical teeth (15 in holotype posterior to the third canine); lower jaw with single pair of forward and laterally projecting canines and closely set small conical teeth, first seven largest and just posterior of canines (16 in holorype); tongue short and rounded.