Number of records in Hemichordata.
All taxa: number of marine [M] & non-fossil [nF] scientific names at all ranks (sum of species, genera, families,..., accepted and synonyms).
All species: number of marine [M] & non-fossil [nF] species (sum of accepted and synonyms) within the specific rank.
Acc. species: number of accepted marine [M] & non-fossil [nF] species within the specific rank.
Species: number of non-marine [nM] species (sum of accepted and synonyms) within the specific rank.
Checked taxa: number of marine [M] & non-fossil [nF] scientific names (%) that have been checked 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
197 (99 %)
156 (99 %)
37 (100 %)
Discovery rate for
Authors describing most species during last decade for
Citations (Google scholar)
Citations for "Hemichordata World Database":
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