nomen dubium

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nomen dubium

a name given to an organism for which the evidence is insufficient to recognise the species to which it was applied.
References in periodicals archive ?
This, the seventh update, includes sections on new ideas and discoveries, dinosaurs and birds, systematics, and extinctions, as well as the complete reference section by current genus name with information on synonyms and nomina dubia.
We have now reassessed the situation during preparation of the chapter on Cecidomyiidae for the forthcoming Manual of Afrotropical Diptera and have decided that most of these genera and species named by Kieffer, which have remained unrecognised for almost a century, are unlikely to be recognised with any degree of certainty now or in the future and are best treated as nomina dubia.
The total number of described names incorporates synonyms, nomina dubia, nomina nuda, and incorrectly assigned material.
ferganae Johnson de Uzbek, son consideradas como nomina dubia debido a la perdida de los materiales tipo, y a la falta de descripciones originales detalladas.
In a review of most of these ichnospecies, Buckman (1995) regarded several as nomina dubia (P.