. The Devonian crinoids of the State of New York. Crinoidea, Fossil; Paleontology; Paleontology. 268 NEW YORK STATE MUSEUM Cordylocrinus, be considered a divergent off-shoot from the main platycrinoid stock. The two primibrachs found regularly in C . eriensis and Platycrinus (?) truncatulus occur as a sporadic character in one or more rays of various species of Platy- crinus. InCyttarocrinus and P. (?) truncatulus the two primibrachs probably indicate the retention of a primitive character, while in the case of the sporadic occurrences a partial reversion to type is probably indicated. Cyttaro
. The Devonian crinoids of the State of New York. Crinoidea, Fossil; Paleontology; Paleontology. 268 NEW YORK STATE MUSEUM Cordylocrinus, be considered a divergent off-shoot from the main platycrinoid stock. The two primibrachs found regularly in C . eriensis and Platycrinus (?) truncatulus occur as a sporadic character in one or more rays of various species of Platy- crinus. InCyttarocrinus and P. (?) truncatulus the two primibrachs probably indicate the retention of a primitive character, while in the case of the sporadic occurrences a partial reversion to type is probably indicated. Cyttarocrinus eriensis (Hall) n. comb. Plate 36, figures 1,2: text figure 49 1862 Platycrinus eriensis Hall. 15th Ann. Rep't N. Y. State Cab. Nat. Hist., p. 119, pi. 1, fig- 1 1868 Platycrinus eriensis Shumard. Trans. Acad. Sci. St Louis, 2:388 1877 Platycrinus eriensis Amer. Pal. Foss., p. 87 Figure 49 Analysis of calyx of l878 Hexacrinus eriensis Bigsby. Thesaurus Cyttarocrinus eriensis, , p. 18 e geno ype. ^^ Platycrinus (Cordylocrinus?) eri- ensis Wachsmuth & Springer. Rev. Palaeocr., pt. 2, p. 71 (authors' ed.); Proc. Acad. Nat. Sci. Phila., 33:245 Platycrinus eriensis S. A. Miller. N. Amer. Geol. & Pal., p. 2 70 Platycrinus eriensis Wachsmuth & Springer. N. Amer. Crin. Cam., Mem. Mus. Comp. Zool., v. 21 Bui. Buff. Soc. Nat. Sci., v. 6, nos. 2, 26 (after Hall). 1889 1897 1899 1900 2:676 (authors' ed.); Platycrinus eriensis Grabau. 3, 4, p. 144, text fig. Platycrinus eriensis Whitfield & Hovey. Bui. Amer. Mus. Nat. Hist.,. v. ii, pt. 3, p. 198 The type and only known specimen of the species though imperfect is in a remarkably fine state of preservation, so far as it goes. The specimen apparently lay on the surface of a piece of limestone, and in freeing the crinoid that portion of the crown embedded in the rock was lost. Half of the basal cup, two whole radials, the greater part of a third, and a small. Please note that these images are extrac
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