Recipient of the S.S. Bhatnagar Prize, the highest Indian award for scientists, one of the ten National Professorships, T.J. Pandian has served as editor/ member of editorial boards of many international journals. His books on Animal Energetics (Academic Press) identify him as a prolific but precise writer. His five volumes on Sexuality, Sex Determination and Differentiation in Fishes, published by CRC Press, are ranked with five stars. He is presently authoring a multi-volume series on Reproduction and Development of Aquatic Invertebrates, of which the volumes on Crustacea, Mollusca, Echinodermata and Prochordata, and Annelida have already been published. The next one, Platyhelminthes, is in your hands and Minor Phyla is being prepared.

• 1. General Introduction. 2. Turbellaria. 3. Monogenea. 4. Digenea. 5. Cestoda. 6. Summary and Highlights. 7. References

Recipient of the S.S. Bhatnagar Prize, the highest Indian award for scientists, one of the ten National Professorships, T.J. Pandian has served as editor/ member of editorial boards of many international journals. His books on Animal Energetics (Academic Press) identify him as a prolific but precise writer. His five volumes on Sexuality, Sex Determination and Differentiation in Fishes, published by CRC Press, are ranked with five stars. He is presently authoring a multi-volume series on Reproduction and Development of Aquatic Invertebrates, of which the volumes on Crustacea, Mollusca, Echinodermata and Prochordata, and Annelida have already been published. The next one, Platyhelminthes, is in your hands and Minor Phyla is being prepared.

• 1. General Introduction. 2. Turbellaria. 3. Monogenea. 4. Digenea. 5. Cestoda. 6. Summary and Highlights. 7. References

Recipient of the S.S. Bhatnagar Prize, the highest Indian award for scientists, one of the ten National Professorships, T.J. Pandian has served as editor/ member of editorial boards of many international journals. His books on Animal Energetics (Academic Press) identify him as a prolific but precise writer. His five volumes on Sexuality, Sex Determination and Differentiation in Fishes, published by CRC Press, are ranked with five stars. He is presently authoring a multi-volume series on Reproduction and Development of Aquatic Invertebrates, of which the volumes on Crustacea, Mollusca, Echinodermata and Prochordata, and Annelida have already been published. The next one, Platyhelminthes, is in your hands and Minor Phyla is being prepared.

• 1. General Introduction. 2. Turbellaria. 3. Monogenea. 4. Digenea. 5. Cestoda. 6. Summary and Highlights. 7. References