In a recently published account of Middle Triassic crinoids from southwest China, Stiller (2000, p. 33) made a number of general points concerning the classification of crinoids on the basis of their disarticulated ossicles. Donovan (1986) was attributed with proposing the suffix (col.) (not (col) as quoted by Stiller) for use with crinoid genera based solely on elements of the column; it was suggested that (col.) had not been generally accepted and had only rarely been used in publications; Stiller regarded the approach as “not convincing,” as other groups of organisms preserved as disarticulated elements are successfully classified without...

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