World Hydrozoa Database

Hydrozoa Statistics

Number of records in Hydrozoa.

All taxa: number of scientific names at all ranks (sum of species, genera, families,..., valid and synonyms).
All species: number of species (sum of valid and synonyms) within the specific rank.
Valid species: number of valid species within the specific rank.
Checked taxa: number of scientific names (%) that have been verified by a Taxonomic Editor.

The real number of existing species may be much higher.

	all taxa	all species	valid species	checked taxa
Hydrozoa	6,010	4,994	3,721	2,756 (46 %)

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