PALEOZOIC. 



RHIZOPODA. 



CAMBRIAN AND 8ILUKIAN. 



CAMBEIAN. tOWEB SIL. UPPER SILUEIAN. 



SPECIES. 



Spon&ida. 

 Protospongia Salter, 1 864 



— diffusa Salt, 



— fenestrata Salt, 



— flabellata Sicks 



— major Sicks 



InCEET^ SEDIS. ? FOBAMINIPEEA. 



Seceptactdites Def ranee, 1827 



Neptuni Defr 



Spongida. 



Spheerospongia . . . Salter 



Salt 



? Spongida. 



Spougarium M'Edw. 1839 



Discophyllnm . . . Sail 



Actiitophyllum,,. FTiill. 1848 .. 

 Calcippites of some Authors. . 



— sequistriatum ... M'Coy 



— Edwardsii Murch 



— interlineatum ... M'Coy 



— intemiptam ... M'Coy 



— umbrella Edgell, 



w 



Amoephospongid^. 



Stromatopora ... Goldf. 1830 



Cannopora Phill. 1841 



Stromatocerium Sail, 1847... 



— striatella D'Orb 



— concentrica Lonsd. 



? SpoiraiDA. 



Tetragouis Michvald, 1842 



^— Danbyi M'Coy 



Vertioillipora Blain,ville,iSy> 



Verticillites ... Def ranee, 1828 



— ainormis Lonsd 



— vioa Ifardo 



^ 



^ 



t 



REFERENCES. 



Brit. Assoc. Reports, 1865, p. 285. 



Q. J. Geol. Soc. vol. xx, p. 238, 1. 13, f. 12; ib. vol. xxvii, 

 p. 401, 1. 16, f. 20. 



Q. J. Geol. Soc. vol. xxvii, p. 401, 1. 16, f. 19. 



Q. J. Geol. Soc. vol. xxvii, p. 401, 1. 16, f. 14-18. 



Vide Ischadites. 



Trans. Woolhope Nat. Club, No. 4, p. 25. For genus, see 

 Strachey's Geol. of India. 



Brit. Pal. Foss. p. 42, 1. 1 B, f. 15. 



Sil. Syst. p. 696, t. 26, f . 10 ; ib. M'Coy, Brit. Pal. Foss. 

 p. 42 ; id. Sil. 4 ed. p. 508, 1. 12, f. 3. 



Brit. Pal. Foss. p. 43, 1. 1 B, f. 14. 



Brit. Pal. Foss. p. 43, 1. 1 B, f. i6, 17. 



MS. in Geol. Surv. Coll. 



Prod. p. 51; ib. M'Coy, Pal. Foss. p. 12. S. concentrica, 

 Lonsd. Sil. Syst. 1. 15, f. 31, non Goldf. Sil. 4 ed. p. 218, 

 Foss. 52 ; ib. HaU, Pal. New York, vol. ii, p. 136, t. 37, 

 f- 1 ; p. 325. t. 73. f. 2- (? Calcareous sponge.) 



Vide S. striatella. 



'^'"^^/'^^- ^™^- P- ^^' ^- ' ^' *• 7. 8. HeceptacuUtes, Salt. 

 MS. T. Danbyi, Salt. Cat. Camb. and Sil. Foss. Camb 

 Mus. p. 176. 



Vide Ceriopora. (Polyzoa.) 

 Vide Cliona. 



