| 31. | Various crinoid fossils hint at possible prehistoric predators.
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| 32. | Overlying this is 5 to 6 m of fragmental calcarenite containing abundant crinoid columnals.
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| 33. | Crinoid arms grew out of the crinoid ball.
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| 34. | Crinoid arms grew out of the crinoid ball.
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| 35. | The Silurian fauna of Tennessee included brachiopods, bryozoans, crinoids, and gastropods.
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| 36. | He specialized in echinoderms, particularly sea stars, sea urchins, and crinoids.
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| 37. | The majority of living crinoids are free-swimming and have only a vestigial stalk.
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| 38. | The crinoid nervous system is divided into three parts, with numerous connections between them.
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| 39. | These extinct groups can exceed the crinoids in both numbers and variety in certain strata.
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| 40. | Crinoids are a kind of St Cuthbert.
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