CRINOIDEA. (IV, F.) * 
Echin. 115 
G. dispansus, Keokuk group, Indian Creek, Montgomery Co., Ind. ; 
Wachsmuth & Springer (336) p. 240, pi. xv : n. sp. 
j-Glyptaster, made syn. of Thysanocrinus ] Wachsmuth & Springer (336) 
p. 191. 
G. milligance , Niagara Group, Decatur Co., Tenn. ; Miller & Gurley 
( 234) Bull. Illinois Mus. x, p. 87, pi. v : n. sp. 
t Glyptocrinidce S. A. Miller, discussed; Wachsmuth & Springer (336) 
p. 175 ; Glyptocrinidce , defined, incl. Glyptocr ., Glyptaster , Reteocr ., 
Canistrocr ., Ptychocr., Ascocr. ( — Ascocystites Barr.), Lampterocr., Eucr., 
Sageniocr ., Dimerocr ., Stelidiocr. ( Harmocr .); Zittel (356) p. 130: in 
part referred to Thysanocrinidce ; Zittel-Eastman (357) p. 145. 
\Glyptocrinus\ James (146): rediagnosed, incl. Pycnocr. S. A. Miller 
(p. 267), root (p. 44), arms (p. 79), interbrachials (p. 117), tegmen 
(p. 120); Wachsmuth & Springer (336). — G. angularis Miller & 
Dyer, syn. of Ptychocr . parvus ; 6 r . aryutus Walcott, syn. of Stelidiocr .; 
(7. armosus McChesney, referred to Siphonocr . ; 6r. haeri Meek, referred 
to Xenocr. (also p. 183); G. carleyi Hall, referred to Mariacr . ; and (?. 
cognatus Miller, syn. of Reteocr. onealli ; Wachsmuth & Springer 
( 336) p. 269. — (7. decadactylus, redescr., has no IBB (p. 270, pis. xx & 
xxi), arm-structure (p. 84) ; G. dyeri ’, redescr., incl. G. subglobosus and 
G. ricliardsoni (p. 271, pis. xx & xxi), arm-structure (p. 84); G. expan- 
sus Phillips, referred to Sagenocrinus (p. 269) ; G. fimbriatus Shumard, 
not accepted (p. 269) ; (?) G. fornshelli (p. 45), redescr., with special 
note on stem (p. 276, pi. xx), stem and base (p. 66) ; Wachsmuth & 
Springer (336). — G. gracilis Wetherby, syn. of Ptychocr. parvus ; G. 
harrisi Miller, referred to Compsocr . ; G. lacunosus Billings, syn. of 
Archoeocr . ; and G. libanus Safford, not accepted ; Wachsmuth & 
Springer (336) p. 269. — G. marginatus , redescr., not Archoeocr. as 
supposed (p. 275, pi. xx) ; G. miamiensis Miller, referred to Compsocr. 
(p. 269); G. nobilis Hall, referred to Siphonocr. (p. 269); G. ornatus , 
redescr., column figd by Billings doubtfully of this species (p. 274, 
pi. xx) ; Wachsmuth & Springer (336). — G. parvus Hall, referred to 
Ptychocr . ; G. pattersoni Miller, not accepted ; G. plumosus Hall, not 
accepted ; G. priscus Billings, syn. of Periglyptocr. ; and G. quinque- 
partitus Billings, not accepted ; Wachsmuth & Springer (336) p. 269. 
— G. ramulosus , redescr. (p. 273, pi. xx) ; G. sculptus S. A. Miller, has 
IBB and is a Rhaphanocr. (pp. 260, 269) ; (?) G. shafferi with its var. 
germanus S. A. Miller, are probably young examples of G. dyeri (p. 272, 
pi. xxi); G. siphonatus Hall, syn. of Siphonocr. armosus (p. 269); G. 
subnodosus Walcott, syn. of Rhaphanocr. (p. 269); Wachsmuth & 
Springer (336) p. 269. 
t Gnorimocrinus, base (p. 58), anal tube (p. 138); Wachsmuth & Springer 
(336). 
t Goniasteroidocrinus, syn. of Gilbertsocrinus ; Wachsmuth & Springer 
( 336) p. 236. 
G. faberi , Subcarboniferous, Joplin, Mo.; Miller & Gurley (234) Bull. 
Illinois Mus. x, p. 84, pi. v : n. sp. 
\Graphiocrinus , cirri (p. 44), base (p. 60), anals (pp. 128, 133), arms, 
validity of name questioned, relations to Phialocr. (p. 80); Wachs- 
muth & Springer (336) : not found in America, but forms referred to 
it belong to Scaphiocr . ; Miller & Gurley (233) Bull. Illinois Mus. ix, 
p. 35. — G. encrinoides , position of anal; Wachsmuth & Springer 
( 336) p. 80. 
t Guettardicrinus, radials (p. 69), interbrachials (p. 117); Wachsmuth & 
Springer (336). 
f Habrocrinus, arm-branching (p. 79) ; H. ornatus , ridges on tegmen (p. 118). 
Subgen. nov. Acacocr. with genotype H. ( A .) elrodi , Niagara group, Harts- 
ville, Bartholomew Co., Ind. (p. 515, pi. xxxiv), H. (A.) americanus , 
