PALAEOZOIC. 



ECn IN ODER MAT A. 



CAMBRIAN AND SILURIAN. 



CAMBElAy. LOWER SIL. CPPER SILURIAN. 



SPECIES. 



Sub-Kingdom, AXNULOIDA, 



Huxley. 



Class, ECSINODERMATA. 



Anomaloctstiu.t:. 

 Atelocystites Bill!n(js, iSjS 



Aiioiiialori/sl lies Hall, 1S59 ... 



Placoci/sf/les De Koi:inrl-, 1S69 

 — Forbcsianus De Ko:i 



RnOMBIFERI. 



Macrocystella Callaviui, 1877 



— Marias Call 



Taxocrikid^. 

 Myelodactylus ... Hall, 1S52 

 Mcrpetocrinus Salt. 1873.. 

 — Sp N.^- E. 





Asteroid^:. 



Pa^ttaster Sailer, iSj() ... 



— Wiitille-Thomsoiii... li. Ether. 



Asteroid^:. 



Tetraster Ether. ^ ^ich. 18S0 



Palaaster Salter, 1S56 . 



— Wyville-Tliomsoni E. tf- N 



— Sp 



AsTERoroa:. 



Trichota.ster Wr'ir/ht, 1S73 



— plumiformis ... Wright 



tij ^ o 



<)'J 



J '5 : = ;= 'hJ ;= 



■^ >-5 



<5:tJ H 



UEFERENCES. 



Cy.STOIDEA. 



Placoej/xfites, De Kon. Bull. Ac;i(l. Roy. BnixpUos, 2 scr. 

 vol. xxviii, p. 57-O.:; ; ib. Guol. Mag. vol. vii, p. 260, 

 t. 7, f. 2-5, i.'<7o; ib. Dec. II, vol. vii, p. ig;, t. rt, 

 f. 16-21, iSSo; wdodruts, p. 197. Atelo. Ft- fcheri, Ciimh. 

 Cat. Addenda, p. xlvii, f. 1-7 ; p. 128, woodeut. 



CYSTOIDE.\. 

 Q. J. Geol. See. vol. xxxiii, p. 670, t. 24, f. 13. 



CRINOIDEA. 

 Pal. New York, vol. ii, p, 191. 



Mouo. Sil. Foss. Girvan, p. ,533, t. 21, f. 11, 12. 



Brit. Assoe. Ropt. iSj6. 

 I'ulc Tetraster. 



Pala;aster, Salter et Auct. (iioii J. Hall). 



Mono. Sil. Foss. Girvan, p. 32.1, t. 21, f. i-S. 

 Mono. Sil. Foss. Girvan, p. 325, t. 21, f. 9, 10. 



Mono. Brit. Eeliino. Pal Soc. vol. xxxiv, p. 109. 



401 



