PAL/EOZOIC. 



ECHINODERMATA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. IOWEB SIL. UPPER SILURIAN. 



SPECIES. 







Sphseronites (continued). 



— Litehi Forbes 



— munitus Forbes 



— pimctatus Forbes 



— piriformis Forbes 



— stelluliferos ... Salt. .. 



rinus Hall 



Treuiaster Billings, 1858.. 



C'TATHOCBINIDiE. 



Taxoerinus Phillips, 1843.. 



Isocrinus Phillips (non 



Meyer), 1837 



Cladoerinites ... Austin (non 



^<w«'z),i834 



— granulatus Salt 



— marmoratus ... Salt 



— nanus Salt 



— ? Orbignyi M'Coy 



— simplex Phill 



—  tesseracoutadactylus ... His.. 



tuberculatus ... Mill. 



Ctaihocrinid*. 



Troehocrinus Portloch, 1843 



— laevis Portl 



ACTINOCBINID.E. 



Tetramerocrinus... Austin, 1843.. 

 — formosus Aust 



Astekiad.e. 



Uraster Agassiz 



Uraslerella M'Coy, 1851. 



4 



* 



S 



REFERENCES. 



Caryocistites, Mem. Geol. Surv. vol. ii, pt. 2, p. 514, t. 31, 

 f. 2 ; ib. Sil. Syst. p. 207. Sphajronites, Mem. Geol. Surv. 

 vol. iii, p. 286, t. 20, f. 4. 



Caryocistites, Mem. Geol. Surv. vol. ii, pt. 2, p. 514, t. II, 

 f 3. Sphseronites, Siluria, 4ed. p. 191, Foss. 33, f. 4; ib. 

 Mem Geol. Surv. vol. iii, p. 285. 



Mem. Geol. Surv. vol. ii, pt. 2, p. 518, t. 22, f. 2; ib. vol. 

 iii, p. 286, t. 20, f. 7; ib. Siluria, 4 ed. p. 191, Foss. 33, 

 f. 2. 



Caryocistites, Mem. Geol. Surv. vol. ii, pt. 2, p. 515, t. 21, 

 f. 1. Sphseronites, ib. vol. iii, p. 285, t. 20, f. 1, 2 



App. vol. iii, Mem. Geol. Surv. (Geol. N. Wales), p. 287, t. 20, 

 f. 6. S. aurantium, Forbes, ib. vol. ii, pt. 2, t. 22, f. I. 



? Marsupiocrinus. 



Vide Protaster. 



Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p. 1 26. 

 Cat. Camb. and Sil. Foss. Woodw. Mus. Cambr. p 125. 

 Cat. Camb. and Sil. Foss. Woodw. Mus. Cainbr. p. 1 26. 

 Brit. Pal. Foss. p. 53, 1. 1 D, f. 1. 



Actinocrinus, Sil. Syst. p. 673, t. 18, f. 8. Phatnicocrinus, 

 Austin. 



Leth. Suec. p. 90, t. 25, f. 4. ? Cyathocrinus, Siluria, 4ed. 

 1. 14, f . 4. ? Actinocrinus simplex, Sil. Syst. p. 673, t. 18, 

 f.8. 



Cuathocrinites, Crinoid, p. 88 ; ib. Goldf. Pet. Germ. vol. i, 

 "p. 190, t. 58, f. 6; ib. Phill. Sil. Syst. p. 671, 1. 18, f. 6, 7. 

 Cladoerinites, Austin, Zool. Jour. vol. ii, p. 197. Fncrinites 

 armatus, Schloth. Petref. vol. iii, p. 24, 1. 1, f. 1. Taxo- 

 crinus tuberculatus, Siluria, 4 ed. 1. 14, f. 5. 



Vide Glyptocrinus. 



Ann. Mag. Nat. Hist. vol. xi, p. 203, 1843. 



Vide Palai-aster and Palaeasterina. 



33 



