A manual for identification of the more common marine invertebrates, compiled by Ralph T. Smith with the assistance of many contributors.

Please note: These Keys, produced in 1964, are presented both as a model for development of on-line dichotomous keys and as a call for qualified persons to update them. Interested parties should contact the Keys Associate Editor at: jablake@ix.netcom.com

Opinions and Declarations Rendered by the Internat. Commission on Zoological Nomenclature

  1. PORIFERA
  2. CNIDARIA, Class Hydrozoa
  3. CNIDARIA, Class Scyphozoa (revised April 1999)
  4. CNIDARIA, Class Anthozoa
  5. CTENOPHORA
  6. PLATYHELMINTHES
  7. NEMERTEA (RHYCHOCOELA)
  8. OTHER UNSEGMENTED WORMS:
  9. ANNELIDA
  10. ARTHROPODA, Subphylum Chelicerata
  11. ARTHROPODA, Lower Crustacea and Cirripedia
  12. ARTHROPODA, Pericaridan Crustaceans
  13. ARTHROPODA, Decapod and Stomatopod Crustaceans
  14. MOLLUSCA, Introduction
  15. MOLLUSCA, Shell-less Opistobranchs
  16. ENTOPROCTA
  17. ECTOPROCTA
  18. ECHINODERMATA
  19. PROTOCHORDATES
Contribution No. 11, Systematics-Ecology Program,
Marine Biological Laboratory, Woods Hole, Massachusetts - 1964

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