PALASOZOIC. ECHINODERMATA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
SSS SSS =) = 
Bale 4/Plolé|/slelsté|el& 
S| |e Si2/8|alalziBlalele 
2| Z|.) | -lslelecaialsrigié 
SPECIES. Arete lS] .|S/olale] 2/4 BiS 5] - REFERENCES. 
2) ele) S SS ISSIR SISlSlsiglslel 2 
AREF BEG BeSSaaeee 
HISIAISISIAISISIDSIFIFIE IS I<ID IBIS 
Herpetocrinus .., Salter, 1873 ... 
Myelodactylus.. Hall, 1852...... 
— Fletcheri..,,..... ISGLE weep cusceens Be (504 Iona [a4 (ase! aq) focal faecl faae seslave] ak [eee[eeefeee{.se[ee.| Cat. Camb, and Sil, Foss, Woodw. Mus. Cambr. p. 118. 
POLYORINID®. 
Hypanthocrinus ,.. Phillips, 1839.. 
Eucalyptocrinus Goldfuss, 1836 
— decorus viccceees TO) OH neces sony Goa eno lose! baal leac Fels josctocol ace long sealeealnecdoeelene Vide Eucalyptocrinus, 
CYATHOCRINID®. . 
Ichthyocrinus ,,, Conrad, 1838... 
— Bacchus ......... Stas (OUI) aacelood|osel acai lec | Joos Aros Gort Gee etadfers | (kal tettet ate fetes [eee ae Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 126, 
— pyriformis ...... Phila rcevecsesees pe4 (G00! [eap| fad jaac 65H (ood) nad sae sefees| x] ok | & | &]..-].| Cyathocrinus, Sil. Syst. t.17, £.6; Siluria, 4 ed. t.14, f. 8. 
— M‘Coyanus 99 [b06) [os see[erelave fess secfeeeJeeel ok Jeeeleee]ee-{ee.] Cat. Camb, and Sil. Foss. Woodw. Mus. Cambr. p. 163. 
ASTERIAD®. 
Forbes, 1850 ... 
UHOnDES ee edocs sealeadlioglleeeaee 566) lagcleiscl (536 secfoos] ak Jeeefeee]oeeleee{eee]| Mem. Geol. Surv. Dec, III, t.1, £. 1-3. 
Hall, 1859...... 
ISGUG nee secceaers ac} 605 lea bd! [aoe poe [S20 face lone seefees] ak feeefees[oneleee{es.| Cat, Camb. and Sil, Foss. Woodw. Mus. Cambr, p. 122. 
MELOOCRINIDE. I 
Marsupiocrinus... Phillips, 1839.. 
— celatus ......... TERE pescnococcet| {con |oce|loee| ose oe Fea|(coa| are ene vee[eee| ok |eeefeee]eee[eee]eee] Sil, Syst. p. 672, t.18, £. 3; ib. Siluria, 4 ed. p. 224, Foss, 
56, f. 1-3, t.14, f£.1. 
ASTERIADE. 
Paleeaster ......... Hall, 1851.,...,. 
Urasterella,..M‘Coy,1851 (part) 
OPQstr ..sccvses AGASSIZ .scccccee 
Stenaster vis. Billings, 1858.. 
— asperrimus ...... SGlie® sescesacsves ese peallesalisee | eealincs Fal lcee| Poel laced [ese Inca lane ...[...[..[...] Siluria, 4 ed. p.191, Foss. 34, f.2; ib. Ann. Mag. Nat. 
Hist. 2ser. vol. xx, p.825, t.9, £.1; ib. Mem. Geol. Surv. 
vol. iii, p. 289, t. 23, f. 2. 
— caractaci,........ BARD -cabecoetaocd leon sivellleal s Sella |ores [bogs cae fete] tas [levers [eae ws.[.s[ee-]..-] Cat. Mus, Pract. Geol. Coll. p. 30. 
==—=\COTONEU Es; seccase S@LL> saevsanccacel sss BL Ret (ie) (ae a 4 lel Panel acl Ia eae antler Ann. Mag. Nat. Hist. 2 ser. vol. xx, p. 326. 
— hirndo............ Forbes ...sceces|ece Poe be eel See eisfacsfeccPers[ooe[oeeecs|oce[ooel & ]aee]ee.| Orraster, Mem. Geol. Surv. Dec. I, t.1, f. 4. 
— imbricatus ,..... GLb n Caeene Rearecaleee Spd lose loee ac fod Fallon brie Pole aes ea ele al Mem, Geol. Surv. vol. iii, p. 289, t. 23, £. 8. 
— obtusus ...,. Reno ACL Banoeeon ects eal aoa ees ised se Pl Bee! asa Hoel lane sel ead aca facal Meal lee Uraster, Mem. Geol. Surv. Dec. I, t.1, £. 3; Salter, Ann. 
Mag. Nat. Hist. vol. xx, p. 326, Paleeaster, Mem. Geol, 
Surv. vol. iii, p. 289, t. 23, f.1; ib. Siluria, 4 ed. p. 197, 
Foss. 34, f.1. 
— PIMAVA ... cies THOTDEBS: sacaceecst|ves|icaalerel vet |ece Scdllooel cod locelfeonl fase lose lense Bad [past asad lose Vide Paleasterina. 
— Ruthveni ...... FOPGES Ys acasceves| eas |aslara lies | eee Soe fea0| ocr) (G00) ase (aod cee [fests || cag eee [lee Uraster, Mem. Geol. Suty. vol. ii, pt. 2, p. 463; ib. Decade I, 
t.1, f.1. Paleaster, Siluria, 4 ed, p, 225, Foss. 57, f. 3. 
Nenana (Urasterella.) 
Paleasterina ,,.... M‘Coy, 1851... 
Urasterella .,, M‘Coy, 1851... 
— PTIMOVA .occeese POTD. ccccccesees| ase |ecs BAS EH Bal iat (onl Soe! isc) aoe! esata PAP |losdlloop Uraster, Mem. Geol. Surv. vol. ii, pt. 2, p. 463; ib. Decade I, 
t.1 and 9, f.2. Pal. primeva, Siluria, 4 ed. p. 225, Foss. 
57, f.1; ib. Salt. Ann, Mag. Nat. Hist. 1857, vol. xx, 
P3255 GeO, 12. 2 
— Ramsayensis ,,, Hicks ........ ety Real (Ses sus] [ooe]see[eselees[ecs[ece[ercl evs] oae|oec|acsfoss]eevftde Je Geolusoc, vol, xxix, p. 51, t. 45 2. ai—23. 
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