nominal taxon

nominal taxon

a named taxon objectively defined by its TYPE.
References in periodicals archive ?
irn= 1018467) indicates that this nominal taxon almost certainly represents a species of Ausejanus Menard and Schuh (2011).
The faunas in two samples from the middle and uppermost parts of the section are typical of the zone, being characterized by the occurrence of the nominal taxon, P.
affinis as a nominal taxon, extensive field work must be conducted in the western Gulf of Mexico to document that there is indeed only a single specimen of short-snouted Syngnathus within the area.
Abathomphalus mayaroensis Zone: Biostratigraphical interval between the lowest record datum (LRD) of the nominal taxon and the HRD of Plummerita hantkeninoides.
2004): Hedbergella holmdelensis Subzone, which is the biostratigraphical interval between the HRD of Plummerita hantkeninoides to the LRD of Parvularugoglobigerina longiapertura; and Parvularugoglobigerina longiapertura Subzone, which is the biostratigraphical interval from the LRD of the nominal taxon and the LRD of Parvularugoglobigerina eugubina.
2004): Parvularugoglobigerina sabina Subzone, which is the interval ranging from the LRD of Parvularugoglobigerina eugubina to the LRD of Eoglobigerina simplicissima; and Eoglobigerina simplicissima Subzone, which is the interval between the LRD of the nominal taxon and the LRD of Parasubbotina pseudobulloides.
Parasubbotina pseudobulloides Zone: Biostratigraphical interval between the LRD of the nominal taxon and LRD of Globanomalina compressa.