Figure 6.10   The use of a modern analog to interpret a mysterious fossil. (a) A colony of the pseudoplanktonic crinoid Traumatocrinus attached to a fossil piece of driftwood, from the Late Triassic of China. (b) Reconstruction of the crinoids in life, showing how the wind pulled the log to the left, and the dangling crinoids captured plankton like a net. (c) A townet used to maximize catches of fi sh, a possible modern analog that explains the feeding mode of the fossil colony. (Courtesy of Wang Xiaofeng.)

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