type by elimination A type designated when some of the original species of a genus have been transferred to other genera, the type of the genus selected from among the original species that remain in the genus. ICZN
type by original designation A species designated as type in the original publication of a genus. a. If in the original publication of a genus, typicus or typus is used for any of the species. b. The species in a proposed new genus (mono-typical genus). c. In a genus containing a number of species, one original species has the generic name as its specific or subspecific name, whether a valid name or a synonym (type by absolute tautonomy). ICZN
type by virtual tautonomy An original species of a genus that has a specific or subspecific name, either as a valid name or a synonym, is virtually the same as the generic name, or of the same origin or meaning. ICZN
type genus In families, the specific genus on which the family is founded, not necessarily the first one described.
type host A designated organism from which a type specimen has been collected.
type locality The area from which a holotype, lectotype, or neotype was collected.
type method The method by which the name for a taxon is unquestionably associated with a definite zoological object belong to the taxon.
type species The species which was used by the author of a genus to designate as type of a nominal genus.
typhlosole n. [Gr. typhlos, blind; solen, channel] A longitudinal infolding of the dorsal intestinal wall into the intestinal lumen.
typologist n. [Gr. typos, type; logos, discourse] One who disregards variation and who considers the members of a population as replicas of the type.
typolysis n. [Gr. typos, type; lysis, loosing] Phylogerontic; stage that precedes extinction of a type organism or group.
typostasis n. [Gr. typos, type; stasis, standing] A static phase in evolution.
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