Access Resource - Global Biodiversity Information Facility

35 The naming of organisms (and plant communities)
auxiliary type: (zool., unoff.) a specimen or element to serve as type of a
subordinate taxon when the type of a major taxon is inadequate to
assign subordinate rank names to the type; a sustaining specimen
(q.v.); see also epitype.
availability: (1) of a work, see available work. (2) of a name or epithet, see
available name. (3) of a nomenclatural act, see available
nomenclatural act.
available: (bot.) applied to an epithet in a legitimate or illegitimate name,
the type of which falls within the circumscription of the taxon under
consideration and where the use of the epithet would not be contrary
to the Code; see available name.
available name: (1) (zool.) a scientific name applied to an animal taxon
that is not excluded from and conforms to the provisions of the
Code, and so to be taken into consideration in determining the
correct name of a taxon; an established name (q.v.). (2) (bot., prok.)
a name or epithet (“available epithet”) to be taken into consideration
for the purposes of deciding the correct name of a given taxon, i.e. a
validly published legitimate name or epithet with its type (q.v.)
falling within the range of variation of the taxon; an established
name (q.v.). (3) (bot.) a name published under the zoological Code
with a status equivalent to that of a validly published name under the
botanical Code.
available nomenclatural act: (zool.) one that is published in an available
work (q.v.).
available work: (1) (zool.) a published work in which, under the provisions
of the Code, or by a ruling of the Commission (ICZN), names or
nomenclatural acts may be established; i.e. one appearing after 1
January 1758 which meets the requirements of the Code and which
has not been suppressed (q.v.).
avowed substitute: (1) (bot.) a name proposed as a substitute for a
previously published name; sometimes recognised as such only by
the citation of the older name as a synonym; a replacement name
(q.v.). (2) (obsol.) a new combination, an avowed substitute for its
basionym; see combination, new name, nomen novum, replacement
name.