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An indispensable tool for taxonomic and biodiversity researchers

A number of metrics have been derived from the coverage and indexing created for Zoological Record®. Suggestions for other metrics are welcome.

Total number of new taxa published since 1864

Numbers of new taxa described in the worldwide scientific literature and included in Zoological Record® also individually records all taxonomic and nomenclatural acts from those publications.


Total New Names1,720,223
Total New Genera / Subgenera235,504
Total New Species / Subspecies1,371,941
Total Other New Names449,400
Total New Combinations322,393
Total New Synonyms326,979