CRINOIDEA. (IV, F.) 
Echin. 109 
Spain, figured; Oehlert (250) p. 824. — C. abbreviatus ( — G . schlo- 
theimi) includes G. nodosus ; Beyer (38) p. 88, pi. iii, figg. 73-76. 
\Gyathocrinacea Neumayr; Wachsmuth & Springer (336) p. 29. 
Gyathocrinidce y defined, includes Dendrocr ., Romocr ., Gyathocr ., Lecythocr ., 
Gissocr ., Arachnocr., Sphcerocr., Bactrocr ., Codiacr ., Achradocr ., Botryocr ., 
Euspirocr. y Sicyocr ., Streptocr., Thenarocr., Mastigocr., Barycr ., Fasocr., 
Parisocr., Atelestocr . ; Zittel (356) p. 134: add Gastrocr. y Rhadinocr., 
and Lecythiocr . ; Zittel-Eastman (357) p. 155 : sensu Bather, dis- 
cussed; Wachsmuth & Springer (336) p. 159. 
Cyathocrinides Pictet; Wachsmuth & Springer (336) p. 18. 
f Gyathocrinus y anals (p. 128), anus (p. 137), arm-branching (p. 77), food- 
grooves and ambulacrals (p. 101), tegmen (p. 95, pi. iii, & p. 114), 
stem (p. 45); G. alutaceus , tegmen (pp. 96, 98, 162); Wachsmuth & 
Springer (336). — G. (?) annulatus, perhaps same as (7. glomeratus ; 
Collins (54) p. 81, pi. e. — (7. blairi, redescr., probably [indubitably! 
not Gyathocr. ; Miller & Gurley (232) p. 50, pi. iii: compared 
with Mespilocrinus ; Miller & Gurley (233) p. 39. — G. brevisacculus , 
tegmen; Wachsmuth & Springer (336) p. 96. — G. cliouteauensis , 
column now first described from a small individual ; Miller & Gurley 
( 233) p. 38, pl.ii. — G. gilesi (p. 95), G. mcdvaceus (p. 97), G. multi- 
brachiatus and G. nodosus (p. 96), tegmina ; Wachsmuth & Springer 
(336). — G. (?) nodulosus or nodosus (p. 80, pi. d), and G. (?) pinnatus 
(p. 76, pi. d), columnals from Cornwall; Collins (54). — G. protuberans 
Hall, ? Pterotocrinus ; Wachsmuth & Springer (336) p. 793. — G. 
ramosus , see G. alutaceus [which is syn.]. — G. (?) tenuistriatus , columnals 
from Cornwall; Collins (54) p. 79, pi. d. — G. waldronensis S. A. 
Miller, may be young Thysanocrinus inornatus ; Wachsmuth & 
Springer (336) p. 192: redescr. from Niagara group, Hartsville, Ind.; 
Miller & Gurley (232) p. 49, pi. iii. — G. (?) sp., columnals from 
Cornwall ; Collins (54) p. 80, pi. d. 
G. barumensis , Devonian, Devonshire; Whidborne (342) P. Geol. Ass. 
xiv, p. 377, no fig. — G. (?), carinatus , based on columnals from Corn- 
wall, Palaeozoic; Collins (54) Tr. Geol. Soc. Cornwall, xii, p. 77, 
pi. d. — G. faberi , Burlington Group, Burlington, Iowa, Miller & 
Gurley (234) Bull. Illinois Mus. x, p. 85, pi. v. — G. (?), leptos , Crinnis 
and perhaps Polruan, Cornwall, Palaeozoic, columnals only ; Collins 
( 54) Tr. Geol. Soc. Cornwall, xii, p. 79, pi. D : n. spp. 
\Gyclocrinus macrocejghalus ; stem-fragments; Parona & Bonarelli (259) 
p. 78. [Vide etiam Acrockordocrinus.] 
\Gyphocrinus gorbyi S. A. Miller, syn. of Hyptiocrinus typus ; Wachs- 
muth & Springer (336) p. 201. 
t Gytocrinus Roemer, syn. of M doer inns ; Wachsmuth & Springer (336) 
p. 294. — C. Icevis, vide Melocrinus oblongus and M. rcemeri. 
f Dactylocrinus oligoptilus (olim Dimerocrinus) Pacht.; Jaekel (144) p. 44. 
f Dadocrinus, considered as ancestor of Uintacrinus, its arm structure 
discussed; Bather (24) p. 1000 & fig. 13: compared with Milleri- 
crinus recubariensis ; Bather (27) p. 122. — D. gracilis from Recoaro ; 
Crema (59) p. 860, pi. iia. 
t Decadocrinidce Bather, “ the most heterogeneous assemblage of genera 
imaginable” ; Wachsmuth & Springer (336) p. 160. 
t Decadocrinus, anus ; Wachsmuth & Springer (336) p. 137 : vide etiam 
Poteriocrinus. 
t Dendrocrinidce Bather, discussed; Wachsmuth & Springer (336) p. 159. 
t Dendrocrinus, compound RR (p. 71), arm-branching (p. 78), anals (pp. 
126 & 127 ; D. casei y anals (p. 128) ; Wachsmuth & Springer 
(336). 
iDesmidocrinus, arm-branching; Wachsmuth & Springer (336) p. 79. 
\ Diabolocrinus, n. g. with genotype D. perplexus (p. 249); D. vesper alis 
