| 1. Recognition of cryptic bivalves |
| 2. Biased composition of taxonomic groups |
| 3. Stunting of the cave bivalves |
| 4. Species diversity and biomass |
| 5. Affinities with deep-water faunas |
| 6. Paedomorphosis by progenesis |
| 7. Dominance of non-planktotrophic development |
| 8. Dominance of K-selection |
| 9. Fossil records of the cavernicolous bivalves |
| 10. Origin and adaptation of cavernicolous bivalves |