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Quantifying Ossicle Variation in Stichopus.

Quantifying Ossicle Variation in Stichopus. John Starmer and Gustav Paulay Florida Museum of Natural History. Stichopodidae. Stichopodidae. Pieces and Parts. Sivickis&Domantay. Variation. Massin 2002. Stichopus ?. Bohadschia !. Tentacle Stalk. Tentacle Pad. Base of Tentacle. Cloaca.

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Quantifying Ossicle Variation in Stichopus.

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  1. Quantifying Ossicle Variation in Stichopus. John Starmer and Gustav Paulay Florida Museum of Natural History

  2. Stichopodidae

  3. Stichopodidae

  4. Pieces and Parts Sivickis&Domantay

  5. Variation Massin 2002

  6. Stichopus?

  7. Bohadschia!

  8. Tentacle Stalk

  9. Tentacle Pad

  10. Base of Tentacle

  11. Cloaca

  12. Miliary Granules & Spherules

  13. Skin Whole Mount

  14. Papillae

  15. Ossicle Size Variation 1 unit = 5 um

  16. Ossicle Size Variation 1 unit = 5 um

  17. Ossicles: S. horrens vs S. chloronotus

  18. Ossicles: S. horrens vs S. chloronotus

  19. Multispecies Presence/Absence

  20. Next steps • Explore function (constraints?) on ossicles • Expand presence/absence study (species & ontogeny) • Apply multivariate analysis for measurement-based approach • Look for more characters

  21. Regular Light

  22. Polarized Light

  23. Acknowledgements http://67.98.162.85/marinelab/peetcukes/

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