| 11. | Crinoids are supported by jointed stalks containing substantial compound ossicles.
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| 12. | It is believed to be the crinoid living at the greatest depth.
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| 13. | Marine life is especially rich in crinoids and other vertebrates included large amphibians.
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| 14. | Bryozoans are small and the skeletons of crinoids disintegrate.
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| 15. | Collecting crinoid fossils on the beach is strictly prohibited.
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| 16. | The Mississippian limestone is rich in marine fossils, especially crinoids and blastoids.
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| 17. | He supplied crinoid specimens to Agassiz in Cambridge and to the British Museum.
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| 18. | These are not rare, but are not commonly found in crinoid deposits.
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| 19. | Crinoid arms are long organs that came out of the crinoid ball.
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| 20. | Crinoid arms are long organs that came out of the crinoid ball.
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