Subphylum - Tunicata
Common name: Sea Squirts
Name derivation: “tunic”
- Class: Appendicularia
- Class: Ascidiacea
- Class: Thaliacea
Number of Orders: 7
Number of Families: 35
Number of Genus: 214
Number of known Species: 3,127
Earliest Fossil Record: Early Cambrian 538 – 521 mya
Habitat: Marine
Size Range: 0.5 mm to 20 m (colonial)
Notes: Based on Catalogue of Life as of July 2024