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Erythrocruorins: High molecular weight (1,500,000 to 3,000,000) hemoglobins found in the plasma of many polychete and oligochete annelid worms and various mollusks. They bind one mole of oxygen per heme and function as oxygen carriers.
Source: MeSH 2007
The following list attempts to classify Erythrocruorins into categories where each line is subset of the next.
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