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Hydrozoa Statistics

Number of records in Hydrozoa. All taxa: number of scientific names at all ranks (sum of species, genera, families,..., accepted and synonyms). All species: number of species (sum of accepted and synonyms) within the specific rank. Acc. species: number of accepted species within the specific rank. Species (non-marine): number of non-marine species (sum of accepted and synonyms) within the specific rank. Checked taxa: number of scientific names (%) that have been verified by a Taxonomic Editor.

Latest taxa additions  Latest taxa edits  Latest taxa checked  Latest distribution additions  Latest note additions  Latest vernacular additions  Latest image additions

all taxa

all species

acc. species

species (non-marine)

checked taxa

Discovery rate for 
Most active authors in last decade for 

Citations (Google scholar)