Animal Chromosome Counts

We compile chromosome counts for animals. This release has 18,347 species, and every count links to its source.

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Meet a few species

Click one to see its counts and how it compares.

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Pick a group. Any level works, from phylum to genus.

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Show the numbers behind the chart

A species with several counts is drawn at its first one. Diploid number is twice the haploid number.

Search by species, a former name, class, order or family. Filter by order, family or count, and click a column name to sort.

Order

Family

Haploid n, from

Conflicting counts only

Cite the paper. For the data, add the Zenodo record.

Each release is a fixed table. You can download all of them.

Send us a new count, a correction or a missing species.