A specimen from a syntype series later designated as the name-bearer of a species when the original author of the name did not designate a holotype.
A lectotype must be selected from the series of specimens (syntypes) that were originally described for that species.
A lectotype must be selected from the series of specimens (syntypes) that were originally described for that species.
References
• International Code of Zoological Nomenclature | Article 74. Name-bearing types fixed subsequently from the type series (lectotypes from syntypes).