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Common name: Lancelets
Name derivation: “head chord”
Family Count: 1
Genus Count: 3
Species Count: 30
Earliest Fossil Record: Early Cambrian 538 – 521 mya
Habitat: Marine
Size Range: 40 mm to 80 mm
Notes: Based on Catalogue of Life as of March 2025
< Hemichordata Tunicata >