PALMOZOIC. CONCHIFERA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN, 
= 
a US| FEES |) al ailhol Sl] ole 
gy PI SlOlSISIsIZlElslels 
Ane TS EReRRMElE 
; 2 e\c B\, ls 
SPECIES. Slalels| ISlol4lalee le ieislels REFERENCES. 
“JQ e is) a] Mls is lia leis iSi51s\ ale] 2 
le (elElE(E EVEl@IEIE IE [eLEIeLe 2 
HISIS|SISIR SSI IE IFIF IAs ib |e |e 
Secs Cometic). SIPHONIDA (INTEGROPALLIALIA). 
— UMPPESSA ....04.. SOU setae ranean: BAS fon focal ieide| joan sce cieeliaccflese bd0|{663) |Beclfoaol Iodelfodo| foas ll 
— simplex i... POT Eo nsca cases see B55 fon local fase) [bec aeallleenllece lees sesfece}ecslecsfece[eee[oue]es-| > Vade Orthonota. 
— solenoides ...... EO aanesosaaobe pool leceltood! lec foo 606i [ool hed oe Fan [co a eS lacel [baal oan tonel tae 
Cyrtodonta .....,... Billings, 1848. .|...)..-}ee:).tpeoeers|ecforePere|eee|eee Vide Palearea, Hall. 
Davidia ............ 
— ornata... Spe faa tts rae] tice deere lls ee ert Q. J. Geol. Soc, vol. xxix, p. 49, t. 5, f. 12. 
— plana ............ | |beall60||noo food lodo| por loae Q. J. Geol. Soe. vol. xxix, p. 49, t. 5, f. 13. 
Dolabra 
— elliptica Sollosallocollood ae abcllooo||oacl load deeleeal seal ests] eee lise pelea ett. bal eOssip. 200; nuetaluyed. tos 
—sODtUEA ... sec eneees EK OWL, « ysa00002 Beall seell ser eetellsce pg] /o00) sal loge Roel lGocloaolloned [bed Fa |e looolf LSse ars IEPA INCE Gam pY eh. ase 1G aes oto, 
ARCADE. 
Glyptarca ......... Hicks, 1873 ... 
— Lobleyi ......... LER RD spe sop ono el esallos| fal es [ed8l od lee) logallonallecs Q. J. Geol. Soc. vol. xxix, p. 48, t. 5, f. 5. 
— primeva......... SEATS psocoeaneee 30 [aoa tose Ba Heel loan) las) [sacl bo Q. J. Geol. Soc. vol. xxix, p. 48, t.5, f. 1-4. 
CYPRINIDE. 
Goniophora ...... Phillips, 1848.. 
Orthonota ...... Conrad, 1841... 
— cymbeformis ... Sow. .........00 Seellcs a eaellsce | cise Foal leaal hood |= * * «|x |---| Cypricardia, Sil. Syst. t. 3, f.10; t. 5, f.6. Orthonotus, 
M‘Coy, Brit. Pal. Foss. p. 274. Goniophora, Siluria, 4 ed. 
bar 2aeiboizisb.rg4, else 3 
ANATINIDE. 
Grammysia......... Verneuil, 1837. SIPHONIDA (SINUPALLIALIA). 
— cingulata ...... DGS. yo eee vents Realaeal eal aaal oes Palliat lan al aee cele | & |e |e | & ||| Wueula, Leth. Suec. t. 39, f.1. Orthonota, Salt. Mem. Geol. 
Surv. vol. ii, pt.1, t.17, f£.1,2. Grammysia, Siluria, 
4ed. p. 229, Foss. 61, f.1; ib. M‘Coy, Brit. Pal. Foss. 
p. 280. Meristomya, Salt. App. Wordsw. Letters, Lake 
Co. 1846. 
— extrasulcata ... Salt. ............ ees ell seal ee ae Svalheal ea] eet seslesefase{oee]eee| x Jeeelee-| Orthonota, Mem. Geol. Surv. vol. ii, pt.1, p. 361, t. 17, 
f. 3. Grammysia, M‘Coy, Brit. Pal. Foss. p. 281, t.1 K, 
f. 29. 
— obliqua ......... WUC) ecsoco04 Sadllastlfeoo}loee lane S061 p00\|eoq loo ssslece[ece|ece[ace[eee{eee{eee] War. -y, G. cingulata, Brit. Pal. Foss. p. 280(= G. cingulata, 
Mem. Geol. Surv. t.17, f. 2). 
— rotundata ...... ISLES Gaaosoccoboc £50] s0cl|foag) [sel loos 603) [ead] [See son sac[ecefecfece]aos| ak |eee[ee-| Dfya, Sil. Syst. t.6, f.1. Grammysia, M‘Coy, Brit. Pal. 
Foss. p. 281, t.1 K, f. 26, 27. 
— triangulata...... ISGUEa, eescnces ents Pe se (Soe lace) (soe 909|{F100] aod food ses[ece|eee{eeeleoa]  [eee{e2] Oxthonota, Mem. Geol. Surv. vol. ii, pt.1, p. 361, t.18, f. 1-7. 
G. cingulata, var, B (triangulata), M‘Coy, Brit. Pal. Foss. 
p. 280, t.1 K, f. 28. Grammysia, Siluria, 4 ed. p. 229, 
Foss. 61, f. 2. 
MytTILipe. 
Hippomya ......... Salter, 1865 ... ASIPHONIDA. 
— ringens ......... SALES Wascresnaetee fa |fBoollacallboc| [se Bel | |looe! lane a}iccalliros| onal eed|eae| sealese( Qed Geol, Soc, Vvoluxx,, pago tats, etn7-) eC bude 
pebbles.) 
EAD an sass aetin cars Schumacher, 1817) ...|...|...|...)..- Sor noollace load seslsce[ecs|eee{ees|eee]eeo]oee] Vode Ctenodonta. 
ANATINID&. 
Leptodomus ......... M Coy, 1844... SIPHONIDA (SINUPALLIALIA), 
Cypricardia ... Sow. (part) 
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