BRACHIOPODA. 
| Pass up. 
PALAOZOIC. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
— ie 
=| |& Bele leleleiSlelsle 
aes SIslgiSigiAlsia 
. Alslels] [slSBISl/o lis l ele la 
SPECIES. slSlalSl .|slolSis| sis isles 
Oe ls la] 0S] Ss /Fls |1a/S1 8) e| 2 ; 
gQiPis Ola ayes =alo)/o/B|5 
a] qa | | 8 Alals!_ISslalelelsigiz 
a} o).8) 2 SSE ale lel 1s] ela 
HIS/AlSI4|/AIS IIS FIFE Ia i<j5 ie 
Strophomena (continued). 
SS TTR, oepnaonse 260018 ppsnenennope! jos sep) piscl food Isoal e180) |/e"s load eerttoee 
RE SCOUTOSE one oen IQs, vee ccesenevid|eer | eee teea|(ees] oe eee | oa sete face 
— Siluriana......... LTD more RCOEEO| ESE | neal kee] eae [seat Geel fer3.lIseel [be 
PTA IMNUIANS) eens ME COY ae acs exec) eed aoclesclncel aes [P| 
— spiriferoides ... M‘Coy ....,-... Bocq} |6an||500llood ne |ooalfonal lead Head) fene 
— tenuistriata ... SOW. ........006 Bad anol face| odd fepa| ada) ral feel leseH ene 
= UNGALH sh acheees 3) BA CT een coped |paol nod ioe| [eed Gene's leaelisad) bapl lace 
— undulata......... IWRC Csecriansh| [eed (aoe |Sbe| (264 oe [oad loeel(e 0 boc endl food boo 
—ungula ......... TELCO Excepoacn| lace! lene aod leoc| eae! [abel ea) Ihacl pee 
— Walmstedli...... YES rece soaaenee| ec faed| adel Rec] see Iaed| (aoe leeel lees ie IP 
— Waltoni ......... 1 D7) 3m ochapiacb Ss \oc0| late lacal earl ae aeo| onal loee| (hee * 
TEREBRATULID®. 
Terebratula ...... Lihwyd, 1696... 
Lampus wc... Hump. 1797 ... 
Gryphus occ. Megerle, 1811 
Pygope (Diphya) ...... Link... 
Epithyris (Blongata) Phill.1841 
— bidentata ...... ISOM Creve peavence Bd) nee Iaeal lene! [soollbcal aeellaed bean 
— Grayit ww. (SHEL sacens660054 o4 lead! ool aod [bse eel lonallane] onl lee 
— leviuscula ...... (STIS Sdapseceabes| lood\lennlieee|Icbe lasal aos locallece| Fallon? 
=I (ORT hachoononnood 221. neenomnonccsl|-a6|lonsllaod| eel seal lobellaral lane eed loco 
—NUNGUIS anstacadean OWN weacsana rece pea|eod|eeal enc ard eee eae eed ee lee 
DIscInIDz. 
TrEMati8. A, .c.decesee Sharpe, 1847... 
Orbicella? ...... D?’ Orbigny,1847 
— punctata......... Sharpe ......... 66>|/o0 noel lose |asa| ode for |/ban| bse lone 
RHYNCHONELLID®. 
Evi plesig@ewc. se seees Hall, 1859...... 
Orthis (part)... Authors ......... 
Camerella ...... Billings, 1859.. 
— Grayie ......... DQG. vrvctoiconks Shp) ae6 lose eel (eos esc | ieee fon «|. 
— Maccoyana ...... DLT onpigscaece| [aa kacal Bool lone} (nn) eal | ys Ipod bial loos 
— monilifera ...... TORT Renpocce (tod |tcel pel lead Fadl [aod i tlocd Koel soot one 
= TOCUCLOLOES eI RGOY Wy rercasvaleorliee.llksc|ieelivecleae|eaetleeal eeleee 
98 
CAMBRIAN AND SILURIAN. 
REFERENCES. 
Orthis, Geol. Rept. p. 453, t. 37, £. 2. 
Vide 8, antiquata. 
Mono. Brit. Sil. Brach. Pal. Soc. p. 303, t. 47, f. 1-4. 
Leptena, Brit. Pal. Foss. p. 246, t. 1 H, £.33-35. Stropho- 
mena, Salt. Mem. Geol, Surv. vol. iii, p. 269, 361; ib. 
Day. Mono. Sil. Brach. Pal. Soc. p. 297, t. 42, f. 9, 10. 
Vide Orthis spiriferoides, 
Vide Stroph. rhomboidalis. 
Orthis, Synop. Sil. Foss. Irel. p. 36, t. 3, f. 21. Leptena, 
var. 8, undata, ib. Brit. Pal. Foss. p. 234, t. ct H, f. 38, 39. 
Stroph. deltoidea, var. 8, undata, Dav. Mono. Brit. Sil. 
Brach, Pal. Soc. p. 295, t. 39, f. 23, 24. 
Vide S. corrugata, 
Leptena (Leptagonia), Brit. Pal. Foss. p. 249, t.1 H, £. 36, 
373 ib. Dav. Mono. Brit. Sil. Brach, Pal. Soe. p. 285, t. 42, 
£, 20, :27. 
Proc. Roy. Acad. Stockh. t.13, f.16, 1860; ib. Day. Trans. 
Geol. Soc. Glasgow, Pal. Ser. vol. i, p.18, t. 3, f. 5, 63 
ib. Mono. Brit. Sil. Brach. Pal. Soc. p. 290, t. 40, f£. 6-8. 
Leptena, Lond. Geol. Jour. vol. i, t. 26, f. 3; ib. Bull. Soe. 
Géol. France, 2 ser. vol. vy, p.317, t.3, f.6. Strophomena, 
Mono. Brit. Sil. Brach. Pal. Soc. p. 310, t. 42, f. 11. 
Vide Rhynchonella borealis. 
“ide Rhynchonella Grayii. 
Vide Meristella nitida, 
Vide Meristella nitida. 
Vide Orthis unguis. 
Vide Discina punctata. 
Mono. Brit. Sil. Brach. Pal. Soc. p.198, t. 24, £. 31, 325 
t. 25, f. 9-11. 
Mono. Brit. Sil. Brach. Pal. Soc. p.199, t. 24, f.29. Hemi- 
thyris depressa, M‘Coy, Brit. Pal. Foss. p. 201 (non Atrypa 
depressa, Sow.). 
Producta, Synop. Sil. Foss. Irel. p. 25, t. 3, f. 3. Orthis 
monil, Etheridge, Cat. Coll. Foss. Mus. Pract. Geol. p. 8. 
Trip. monilifera, Day. Mono, Brit. Sil. Brach. Pal. Soe. 
p. 200, t. 25, f. 3-5. 
Orthis, Synop. Sil. Foss. Irel. p. 32, t. 3, f. 15. 
