PALEOZOIC. 



CONCHIFERA. 



CAMBRIAN AND SILURIAN. 



CAMBRIAN. LOWER SIL. 



UPPER SILURIAN. 



SPECIES. 



Cardials. 

 Pleurorhynchus . . Phillips, 1 836 . 



Conocardium ... Bronn, 1835 .. 



Lunulacardium Miinst. 1840 .. 

 — aequicostatns ... Phill 



— calcis Baily 



— dipterus Salt. , 



— pristis Salt 



Psammobia Lam. 1818 



Triooniad-e. 

 Pseuda-axinus ... Salter, 1864 

 — trigonus .'. Salt 



— securiformis 



CYPBINID.S:. 



Hedonia Rouault, 1851 .. 



Cucullella M'Coy, 1851... 



Pleurophortts ... King, 1848.. 



— anglica Salt 



ANATINID.E. 



Hibieria Sharpe, 1853. 



— complanata Salt 



Mytilid.e. 



Sanguinolites M'Coy, 1844.. 



Sanguinolaria, Sp. 

 Cypricardites... Conrad, 18^1.. 

 Allorisma King, 1844 



— anguliferus M'Coy 



— decipiens M'Coy 



— inornatus Phill 



— obovata Miinst 



Solenid.e. 

 Solon Linn. 1758. 



— rectus Salt 



— ? Sp Salt 



Tellinitet M'Coy, 1855... 



Orthonota Conrad, 1838.., 



— riffiiiis M'Coy 



Vanuxemia Billings, 18 57 • • 



Palrearca ? 



fS5 



REFERENCES. 



SIPHONIDA (iNTEGROPALLIALIA). 



Mem. Geol. Surv. vol. ii, pt. 1, p. 359, t. 16, f. 1, 2; ib. 

 Siluria, 4 ed. p. 228, Foss. 6o, f. 1. 



Geol. Surv. Irel. Expl. sheet 145, p. n, f. 2 a, b. 



Q. J. Geol. Soc. vol. vii, t. 8, f. 6; ib. Siluria, p. 196, Foss. 

 39, f. 7, t. 36, f. 7. 



Griff. Sil. Foss. Irel. p. 71, t. 5, f. 4. 

 Vide Orthonota. 



ASIPHONIDA. 



Q. J. Geol. Soc. vol. xx, p. 299, 1. 1 5, f . 6. (Budlcigh peb- 

 bles, derived.) 



Vide Anodoutopsis. 



SIPHONIDA (iNTEGROPALLIALIA). 



Cucullella, Siluria, 2 ed. p. 50, Foss. 8, f . 2. Redonia, Mem. 

 Geol. Surv. vol. iii, p. 345, 1. 11 B, f. 15 ; ib. Baily, Char. 

 Foss. t. 8, f . 8. 



SIPHONIDA (siNUPALLIALIA). 



Bedonia, Siluria, 2 ed. Foss. 8, f. 3, p. 50. Ribieria, Mem. 

 Geol. Surv. vol. iii, p. 346, t. n B, f. 16; ib. Baily, Char. 

 Foss. t. 8, f. 9. 



Vide Orthonota. 



SIPHONIDA (siNUPALLIALIA). 



Doubtful species. 



Q. J. Geol. Soc. vol. xx, p. 301, 1. 16, f. 11. (Budleigh peb- 

 bles, derived.) 



Vide Orthonota. 



109 



