TAXOCRINIDAE 



383 



Synonyms, etc. 

 The following (including 3 species described as Forbesiocrinus) are either synonyms, 

 insufficiently denned, imperfectly known, or do not belong to the Flexibilia : 



Taxocrimts brevidactylus Austin {Cladocrinites), 1843, Ann. and Mag. Nat. Hist., XI, 

 198= Poteriocrinus abbreviates, Rec. and Foss. Crin., 89. Insufficiently known; 

 probably belongs to this family and might be Eutaxocrinus. 



Taxocrimts briareus Schultze, 1867, Echin. Eifelkalk, 36. An Inadunate cr'mo\A = Lecytho- 

 crinus. 



Forbesiocrinus cestriensis Hall, i860, Geol. Surv. Iowa, Supp. 68. Syn. of Taxocrimts 



zvliitfteldi. 



Taxocrimts grebei Follmann, 1887, Unterdev. Crin., 6. Probably does not belong to the 

 Flexibilia. 



Taxocrinus granulatus Salter, 1873, Cat. Cambr. and Silur. Foss., 126. Catalogue name, not 



defined. 

 Taxocrinus longidactylus Austin {Isocrinites), 1842, Ann. and Mag. Nat. Hist., X, 108. 



An Inadunate crinoid. 

 Taxocrinus marmoratus Salter, 1873, Cat. Cambr. and Silur. Foss., 125. Catalogue name, 



not defined. 

 Forbesiocrinus meeki Quenstedt (not Hall), 1885, Handb. Petref., IV, 946; von Zittel, 1910, 



Grundziige Pal, 164. Syn. of T. colletti. 

 Taxocrinus nanus Salter, 1873, Cat. Cambr. and Silur. Foss., 126. Catalogue name, not 



defined. 

 Forbesiocrinus parvus Wetherby, 1879, Jour. Cin. Soc. Nat. Hist., Oct., 1879, 5. Syn. of 



Taxocrinus whitfieldi. 

 Taxocrinus pentagonus Austin {Cladocrinites), 1843, Ann. and Mag. Nat. Hist., XI, 198. 



Insufficiently known. 

 Taxocrinus priscus (Schnur) Steininger, 1853, Geogn. Beschr. Eifel, 37. Insufficiently 



diagnosed. 

 Taxocrinus splendens Miller and Gurley, 1896, Bull. No. 8, Illinois St. Mus. Nat. Hist., 61. 



Syn. of T. colletti. 



Taxocrinus zvetlierbyi Miller and Gurley, 1894, Bull. No. 6, Illinois St. Mus. Nat. Hist., 41. 

 Syn. of T. whitfieldi. 



Taxocrinus macrodactylus (Phillips) 

 Plate LI, figs. 1-4 



Cyathocrinus ? {Isocrinites, Isocrinus) macrodactylus Phillips, Pal. Fossils Cornwall, 1841, pp. 29, 30, 

 pi. is, figs. 4ia-g. 



Isocrinites macrodactylus, Austin and Austin, Ann. and Mag. Nat. Hist., X, 1842, p. 108. 



Cladocrinites macrodactylus, Austin and Austin, Ann. and Mag. Nat. Hist., XI, 1843, p. 198. 



Taxocrinus macrodactylus, Morris, Cat. British Fossils, 1843, p. 59 (2d Ed., 1854, P- 90). — M'Coy, Carb. 

 Fossils Ireland, 1844, p. 178. — Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 138 ; 

 Geol. Surv. Illinois, II, 1866, p. 270. — Wachsmuth and Springer, Revision Palaeocrinoidea, I, 1879, 

 p. 49. — Whidborne (Devon. Foss. S. of England, III, pt. 3), Pal. Soc. London, 1899, p. 215, pi. 33, 

 figs. 2-40. — Springer, Amer. Geologist, XXX, 1902, p. 91 ; Jour. Geology, XIV, 1906, p. 492. 



Type of the genus. 



A large species. Crown very elongate, narrow; height to width, about 3.8 

 to 1 ; maximum specimen, about 90 mm. high by about 30 mm. wide. Arms 

 strong, tapering rapidly with long divisions to five or more bifurcations. Calyx 

 narrow, with a broad base and nearly straight sides. iBr none; areas relatively 

 narrow, elongate. Anal side unknown. RR large. IBr 3, broad. IIBr 5 or 

 more; IIIBr 6 to 8; IVBr 10 or more; VBr 15 or more. Surface smooth. 



