PALZOZOIC. BRACHIOPOD A. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
a Pel eS |g las] He | | 
S| |e a(SIe/2iS\aleiSlels 
z| |e Reel lsicialsls 
: Aldiels| lo/SlBlslel@/F/SlSls is aRIBIE 
SPECIES. slSlelS|-lSlolSl8| SIS I4IAlSlale |e, REFERENCES. 
mle ls|S]olelslalsielslSlelelelels 
a|e ISIS IAS |S lal olelale 
elal|MEISISISlEl(SISISl2/s/al8 le 
8/2 )8/ 215 |S] 8] Sic i212) >| el aie | 
HSI ISISIASIAIS IF IF IE IA lip ia |& 
Sub-Kingdom, MOLLUSCA. 
Province, MoLiuscomDa. 
Class, BRACHIOPODA ... Cuvier 
Palliobranchiata Blainv. 
Acrotreta ? ...... Kutorga, 1848.. 
— Nicholsoni ...... IBN“ opneceaotcco oBd| [Goo lscol ebel [oor Pal eal se lace seafeee|eee[ece]eee[ess]eee]eee| Geol. Mag. vol. v, p. 313, t.16, f.14-16; ib. Day. Mono. Sil. 
Brach. Pal. Soc. p. 343, t. 49, f. 36-40. 
SPIRIFERIDH. 
ANA pee! Gascaseoooe M‘Coy, 1844... 
Spirigera@ ...... D? Orbigny,1847 
= (HIRE canseouadeo ‘r. Sa0| libel coal roo] joc Hassel ieee| lean sesleccece|ene[ees|ece}eee|ee| ede Meristella. 
— compressa salload| ee 5A6| ot ladd| Bos x |x| x] &}eele| || Adrypa, Sil. Syst. t.13, £.5. Zereb. Barr. Silur. Brach. 
Bohmen, p. 47, t-14, f. 3, 1847. Athyris, Dav. Trans. 
Geol. Soe. Glasgow, Upper Sil. Pent. Hills, p.10, t.1, f.16, 
17; ib. Siluria, 4 ed. t. 22, f. 22. Athyris, Dav. Mono. 
Brit. Sil. Brach. Pal. Soe. p. 122, t.12, f. 16-18. 
— depressa ......... ISGATES— apentinnones 50||eocl loos pel (eoo|lood| face «|x |x |oefee-[[..|.--| dérypa, Sil. Syst. t.13, f.6. Atrypa, Phill. and Salt. Mem. 
Geol. Sury. vol. ii, pt. 1, p.277. Hemithyris, M‘Coy, Brit. 
Pal. Foss. p. 201. Spirigerina cordata, Lindst. Ofvers. 
K. Vet. Akad. Férhandl, p. 363, t.12, f. 3. Athyris, Siluria, 
4ed. t. 22, f. 7; ib. Dav. Mono. Brit. Sil. Brach. Pal. Soc. 
Pp. 123) t. U2, cto wk stews, 2.0. 
—— NOL UAINGD Pen due etnowantaces oevsle sae aad |b5e| loco) [bcc] onc peel ocd) lace bao serlece[ece{ece[ece{ese|eee{eee| 27%d@e Rhynchonella (Meristella). 
— obovata ......... SOW: cssuescveenas seal based reel | tact bese BA! aot IGac| fads cele feee| x [eoefeee|ofeee] Adrypa, Sil. Syst. t.8,f.9. Tereb. Barr.Silur. Brach. Bohmen, 
p. 28, t.15, f. 8. Athyris, Siluria, 4ed. t. 22, f.16; ib. 
Day. Mono. Brit. Sil. Brach. Pal. Soc. p. 121, t.12, £.19; 
Ub Hey tin Bs 
— tumida ,........ DG sccceeaeates eel fealsealisac | eels soe [eeal| eel ses serfeceleae{ecefeee|een{ecefeoe| Vede Meristella. 
SPIRIFERID®. 
Dalmann, 1827 
.. D Orbigny,1847 
NED, copospnconot od [eice| oo] ood face sal snl face| [soo cesfece[ere[eceece[eas[eee[eee| Made Atrypa reticularis. 
Salter & Forbes|...|...|...|...]-- belli ail bed oo seclece[esefeee[eesfoee|eee]...| Rhyneho. Etheridge, Cat. Foss. Mus. Pract. Geol. p.7. Atrypa? 
Day. Mono. Brit. Sil. Brach. Pal. Soc. p. 202, t. 25, £. 6. 
DGUs, ene cere FeAl ISee| eed aoe) (sce poaloallecd Late sea[eee] oe fees {eee|eee[eee{eee| Zenebrat. Bull. Soc. Géol. France, vol. v, 2 ser. p. 332, t. 3, 
f. 32. Rhynchonella, Salt. Siluria, 2ed. p. 250, Foss. 57, 
£16: 
20 lapel (esa Rea| (aco eel {sa see[ees[ecsfooe|eeelecslece|eoe| ede Meristella. 
S541 jade! daa hoa! Ieee lace! es! lscel eee] bad local las [eos crs Vide Rhynchonella. 
— globosa ......... PS RPP SerARE eal lock tone loaed Gc lescd Bestia (ba Vide Pentamerus. 
— QGrayi ....,.....:. DOO mr sewneaeee 34 hoo! soa tec aos » fa le este aes ses[P |e |eeefeee[eee|eee{-s] Terebrat. Bull. Soc. Géol. France, 2 ser. vol. v, p. 331, t. 3, 
f. 33. Rhyncho. Salt. Siluria, 2ed. p. 250, Foss. 57, f. 35 
4ed. p. 226, Foss. 58, f. 3. Atrypa, Dav. Mono. Brit. Sil. 
Brach. Pal. Soc. p. 141, t. 13, £.14, 22. 
ENS TTIEML “t Be vettes a wetlese| bea ws VO each! all alee Vide A. Scotica, M‘Coy. 
— Var. Scotica ... M‘Coy 
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