PALAOZOIC. HETEROPODA. CAMBRIAN AND SILURIAN, 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
Zl |. SiS/Elelslelelzle | 
SS S|>1o a/sl\o|8/5|a 
s| f2l.| |. EREL 
SPECIES. ASS] S)Slale Slab Gl a REFERENCES. 
AlSls\spwos sAlslslelelalelalels 
2 (S/SlSTEIElS elle lee le lelaiele 
S1O}.8)/ SIZ S/slopare |. 5IBlals| 2 
HISISISISIAISISID EE EIS ISIS ela 
Bellerophon (continued). 
— obtectus ......... IPT owesenases ts aflews| eeu «sal lees| lees |lene| see 2killce||eea ae e|(aee|[seell ||ee| eel Lem." Geol, Surv. svOl.a1) pt... up. 9505) tal4, fale. 
— ornatus ......... Conrad ......... ere |leel| eaelllese fae ats eta met vunl[scel|sasl ese) -ouleeel veel sao] I22@e Bel. nodosus; 
— perturbatus...... ISK sesasccenbe: Boal leo\eos| Goal eon Pala eee en sesfoce[ece|ecefeee[ees|eee]o0e| Becomphalus, Sil. Syst. p. 641, t. 22, f£.15. Huom. tenui- 
striatus, id. ib. t. 22, f.14; Bell. Siluria, 4 ed. p. 199, 
f. 6, t. 7, f. 6,7. Euomph. furcatus, M‘Coy, Synop. Sil. 
Foss. Irel. p.13, t.1, f.11. Bell. perturbatus, Salt. Mem. 
Geol. Sury. vol. iii, p. 350, woodeut, f.16; Baily, Char. 
Foss. t. 8, f. 12. 
— Ramseyensis ... | feel eer eeal ined (coe <.| Q. J. Geol. Soc. vol. xxix, p. 50, t. 3, £. 30-32. 
——SSUIIQIMS esac ance OOWs, cicncseceeee|aes|e=al eal oce| enalees| car! eae ees] all oes Q. J. Geol. Soc. vol. xxix, p. 50, t. 3, f£. 33- 
— solvensis ......... n Fa baer beer lac fobe! (oe “ide Bel. Murchisoni. 
— subdecussatus... ‘Coy ......... Heals eanllises | Gas ome seater Et Werle een eel] ees] eae eea|eee| BEI. peal wROSSei pt Ti.) balun a2. 
— sulcatinus ...... EOMIN Rasa seceees cael eealeealsacioe aja led | Sel es secfase[ooe[ecefeceleee{ees[eee| Deccanta, Geol. Rept. p. 312, t. 84, f.4; ib. Hall, Pal. New 
York, vol. i, p. 32, t. 6, f. 10, 10 a. 
— trilobatus ...... Sows Vand cks oneal eee cortical aed sae seafeae| 2B Pe | se |e [eoe]eoe|eee| xe |e [ees] Sul Syst. p.604-705, t. 3, £.16. ? Phill. Pal. Ross. p. 107, 
t. 40, f. 200; Salt. Siluria, 4 ed. p. go, Foss. 15, f. 9. 
— Wenlockensis... Sow. .......ccecc|eeeece{ee|eeeQers 3 Sallie Sil. Syst. p. 705, t.13, f. 21: ib. Min. Con. t. 460. Bel. 
apertus, Murch. Sil. Syst. p. 627. B, Wenlockensis, Siluria, 
4ed, t: 25, £. 7. ‘ 
= sy geo) Bac #04 eee [oad] JE [Snel |e6|aellecal aco eal fodel|aod | Od dl (Ercole SofO§ yo Sey 395 77715 
Cyrtolites 
EO ean saansann Isla ha kcoe one ammtaal soo eoelledeltassy Kael fl eel Ines tac ise 
: Vide Ecculiomphalus. 
SI SLES epocepte 2 OLE Aeararecallsosl ocala occ) fsa [Snellosal [bos sf 
ATLANTID®. 
Ecculiomphalus,.. Portlock, 1843. NUCLEOBRANCHIATA, 
Cyrtolites (part) Conrad, 1838. 
— Bucklandi ...... UPON pane pintes Seal lal lea feos! (dee noel 4 lfoae) ood cer[ree[ees[ecelece[eoeeee|see| Geol. Rept. p. 411, t. 30, f.10; ib. Siluria, 4 ed. p. 199, 
Foss. 41, f. 5. Eecu. minor, Portl. loc. cit. p. 412, t. 30, 
Vey viite it), 
— levis wo... (SOW Wetec sa cceees For lBesl see] (enc Wee veefiee[oePak [ecleee] ok] a [eee] [eed] Cyrtoceras, Sil. Syst. t. 8, f. 21. Ecculiomphalus, Siluria, 
4ed. t. 25, f. 9. 
—  MINOP vo rserveceee IPortlnedenecee SGoilBoni ore eee (oe Prt eenlibaal boa sesfecefees|eor[eeslece[eee]ee| Vede KH, Bucklandi. 
— Scoticus ......... VEO OY) eters. BABI IEAa | ectined| [sar | Fe |leata [tok ere Sey] nett asl pelle eer eaell| UBTLbe Mealy HOSS paso, mtsduUse de chs 
ATLANTID®. 
NUCLEOBRANCHIATA, 
Maclurea,., Lesuew, Emmons, 1843 
Q. J. Geol. Soe. vol. vii, p. 170, t. 8, f. 7; ib. Siluria, 4 ed. 
— Logani ......... SALES na eeces Soul cas lesa aca [lear belllvedl eel Pollaeell el leectaelnos 
p. 197, Foss. 40, f.1. 
— macromphala .., M‘Coy ......... oo dl ena] eens [eee || leea| aes fAless| ae. Brit. Pal. Foss. p. 300, t.1 L, f£.12. 
— Maccoyii......... Ifdtts Scnocchosace Be esc feec| ee| Bealls faeel ece sea|lees|eee|eve|leee|eweleecl eagle ME. magna, 
— MaPns........6... Gesus. waste Pe seal loa cee! ae lea eee ae Beales leccliere|tea leon eel eel eourepA cad. Nat. oci. hilad volley uipns tas mits 13, £.1-3. 
Hall, Pal. New York, t. 5, f.1; ib. M‘Coy, Brit. Pal. 
Foss. p. 300, t.1 L, f. 13. 
— Peachii ......... (Sto. rebecmeneinds Pe Ha | ee Je a\lepallsec| es seilecelevelecclccclecelecclecc| Q- J. Geol. Soc. vol. xv, p.377, 6.13, f.1-5; ib. Siluria, 
4ed. p. 165, Foss. 27, f.1. 
120 t 
