Species inquirenda

In biological classification, a species inquirenda is a species of doubtful identity requiring further investigation.^[1] The use of the term in English-language biological literature dates back to at least the early nineteenth century.^[2]

See also

• Glossary of scientific naming
• Candidatus, a proposed taxa based on incomplete evidence
• incertae sedis, a taxon of uncertain position in a classification
• nomen dubium, a name of unknown or doubtful application
• Open nomenclature, a system of notations used in taxonomy to indicate a taxonomist's judgement about taxon affinities

References