PALAOZOIC. BRACHLOPRO DA CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
=| |g 4) eee lslelelsle|® 
5 op MislflSsislsisisiele 
Alglelsl le/slelslel@rleleteie 
SPECIES. lSle ls 3\sl2els Bld [ad | Pia lag a REFERENCES, 
2)als/s/ Ps lsiAialslelSislsisle|= 
ele/MIB el alslel_ISlSlSlElslalels 
| e|o/.8)2 SlSBlolaici2)el sols) alsa 
| RAI SI<|A SIRS IF IF IE Ai |S 6 |e 
| Spirigerina ......... D’ Orbigny,1847|...|...|...Jaoefeee[ove|oee|ooefeee 525581 oa eal kee ss-|..[e| Vide Atrypa, 
Spondylobulus ...... MSE Cous TORT aul cael seellees| aac veal eoed nee see st Sc5| (2a) (Geel sca! ac vs[a|eee| Vide Crania, 
RHYNCHONELLIDE. 
Stricklandinia .., Billings, 1866.. 
Pentamerus .., Sowerby, 1813.. 
SALONS! esestcrsab eae ODS vccsessscerel ces pod} earl asd ree sealens 3 odd [sca| [sor vesjeee]eee[en[e.] Adrypa, Sil. Syst. t. 21, £3. Pentamerus, M‘Coy, Brit. 
Pal. Foss. p. 209. P. lens, Salt. Siluria, 2 ed. p. 100, 
Foss, 14, f.1, t. 8, £.9,10; ib. 4ed. p. go, Foss. 15, 
f.1, t. 8, f. 9-11. Spirifer levis, Sow. Sil. Syst. t. 21, 
f.21 (non P. levis, Sow. M.C. t. 28, £.2; non P. levis, 
Sow. Sil. Syst. t.19, f.9. P.levis is the young of P. 
oblongus). P. microcamerus, M*Coy, Ann. Mag. Nat. 
Hist. 2 ser. vol. viii, p. 290; Brit. Pal. Foss. p. 210. 
Stricklandinia lens, Billings, Canadian Jour. p. 51, f. 88; 
ib. Cat. Sil. Anticosti, Geol. Surv. Canada, p. 45. Strick- 
landinia, Dav. Mono. Brit. Sil. Brach. Pal. Soc. p. 161, 
t.19, £. 13-23. 
= NTAGB) oseevcoerccss BOW miesevosesses|ee- eee ana ees] ees vecfeel pala] Pla feefeefefe[..| Spirifer, Sil. Syst. t.22, £6. Cardium multisulcatum, His. 
Leth. Suec. Supp. 2nd, p. 4, t. 41, £.3. Spirifer ovatus, 
M‘Coy, Synop. Sil. Foss. Irel. p. 37, t. 3, f.24. Orthis 
lirata, Phill. and Salt. Mem. Geol. Surv. vol. ii, pt. 1, 
p. 291. Pentamerus, Salt. Siluria, 2 ed. p. 100 and 230, 
f.3. Stricklandinia, 4 ed. p. 90, Foss.15, f. 3. Strick- 
STROPHOMENID®. landinia, Billings, Canad. Nat. and Geol. vol. iv, p. 4343 
ib. Canad. Pal. Foss. vol. i, p. 84; ib. Cat. Sil. Foss, Anti- 
Strophomena...... Rafinesque,1831 costi, Rept. Geol. Surv. Canada, p. 45, 1866; ib. Dav. Mono. 
Leptagonia ... M‘Coy (part).. Brit. Sil. Brach, Pal. Soc. p.159, t. 20, f. 1-13. 
OFthis.....0...000 Auctorum(part) 
Peridiolithus ... Hiipsch ......... 
Leptana ......... Daln.§ Authors 
Terebratulites.. Schloth (part).. 
Plectambronites Pander (part).. 
— alternata......... CONTADS cca cese|o00| 902 Ba Weel ee seal lsy sh BE oe (eo) ane ...{...{...| Leptena, Ann. Geol. Rept. New York, p. 115, 1838; ib. De 
Vern. Pal. Russia and Ural Mts. p. 225, t. 14, f.6. Zep. 
alternata, Hall. Pal. New York, vol. i, p. 102, t. 31, f. 1; 
t. 31 A, f.1; ?t.79, f. 2. Stroph. bipartita, Salt. Q. J. 
Geol. Soc. vol. x, p. 74. S.alternata, Nich, Rept. Pal. 
Ontario, 1874, p. 16. 
— antiquata ...... ISD Es esha wal eal eee ase Bolt (sel lee xlalxlalal«|..{-.fee[.| Orthés, Sil. Syst. t.13, £13. Strophomena, Salt. Siluria, 
4ed. p. 227, Foss. 58, f. 8, t. 20, f.18. Lep. scabrosa, 
Day. Bull. Soc. Géol. France, vol. v, t. 3, £.13. Strop. 
antiquata, Billings, Geol. Surv. Canada, Pal. Foss. p. 129, 
f,107; ib. Day. Trans. Geol. Soc. Glasgow, Pal. Ser. vol.i, 
p-17, t.2, £.21-23; ib. Dav. Mono. Brit. Sil. Brach. Pal. Soc. 
p- 299, t. 44, f£. 2-13. Lept. Lewisii, Dav. Lond. Geol. 
Jour. vol. i, p. 62, t.12, £. 22-24, O. scabrosa, Dav. ib. 
p. 61, t. 13, f.14,15. S.antiquata, Sow. Day. Mono, Brit. | 
Brach. Pal. Soc. p. 299, t. 44, f£. 2-13, 21, 22. 
| — applanata ...... BGlt, 25 cqsonsen\eee|tes|ors| cael sen cael ed ac lece| xe | ae foee{eee] ae [eee|---| Orthis, Mem. Geol. Surv. vol. ii, pt.1, p. 380, t.27, £.1,25 | 
ib. Griff. Sil. Foss. Irel. t. 5, f.1. Stroph. Hasw. Sil. 
Form. Pent. Hills, p. 34, t. 2, £.18; ib, Dav. Trans. Geol. 
Soe. Glasgow, vol. i, p. 19, t. 2, f.19, 20; ib. Mono. Brit. 
Brach, Pal. Soe. p. 308, t. 43, £. 12-14. 
Siluria, 2 ed. p. 231; ib. ed. p. 210; ib. Dav. Mono, Brit. 
— arenacea ......... RITE Bie senesen eee [aod |seo| Seed eel laced lane Ince * Cal? 
Sil. Brach. Pal. Soe. p. 296, t. 42, f. 6-8. 
| — bipartita ...... )o tT Sale eRe Acre [ere ooo cel ped (Ferd Sel nl (ood Pee wes[eee[-oe]eee]oee[oae[e--]-.-| ede S. alternata. 
— cancellata ...,.. FAO T Ope SSOpEOOEEG cA ol a6) and [o8e| loedl sy Heed baa wac|eeeece|eoe|-ce[eee[eee[---| Oréis, Geol. Rept. p. 450, t. 32, f. 9. 
