PALMOZOIC. CEPHALOPODA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. | UPPER SILURIAN. 
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SPECIES. slelelsllSlolatalaslsielFlalele REFERENCES. 
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ISIS ISISIAISIAISIEIFIEIAIaIb 1a |e 
Diploceras ......... Salter, L856) 5.) ..-|==-|sc0|oo4f-==|ee|ems| caf aes Vide Tretoceras. 
ORTHOCERATID®. 
Endoceras ......... Hall, 1847 ...... TRTRABRANCHIATA. 
Hyolithes ...... Bichwald ...... 
SEQUIN “ssccciscenss Edgell Stes cecal leae | ear lew these Baers #41 \5c4) eae) spol joc| oe Sod teen) fea aed lor Geol. Mag. vol. iii, p. 161. 
—_ proteiforme Jets DR CTES a prcconnobn cad aed lace carl foes f4lleec| nec Pal. New York, vol.i, p. 208; ib. Nicholson, Geol. Mag. 
(var. tenuitextum) vol. ix, p.102, woodeut, p. 103. 
Exosiphonites Salter. ....sc..06 
— Hdgelli 1.2.2... SUE. ..cceccsscec {eee |oce] eee] eefeest eos] oeefeeefors ae SoD E 
: \s. names in the Edgell Collection. 
Heal lh eee A TOGA. Smeets rae salted) eon lode] der lose fofel jase) (ape) bpd) Weeel etic *x scl) 
Gomphoceras ...... Sowerby, 1839 
Bolboceras ...... Fischer, 1844... 
Apioceras ...... Fischer, 1844... 
Poterioceras ... M*‘Coy, 1844... 
Sycoceras ( part) Pictet, 1854 ... 
— pyriforme ...... [S{e235, pyppeocsoned| |ocdl jobel food) lood [ser cod) [eq fed] [coc Vide Phragmoceras. 
Hortolus ............ Montfort, 1808 
— giganteus ...... RYE. Greesnenonca| (eed) seq lea4|loael looel|ooel loool lead) load Vide Lituites. 
= WED... sce sccseeees SORE sosec npsenA) (ed fos6}oa5| [occ] [Sea) [oan] |a9)faco) [aod seallocel facol Addl del (aoe Soe |200 Vide Orthoceras. 
ORTHOCERATIDE. TETRABRANCHIATA. 
Koleoceras ......... Portlock, 1843. 
— Ballii .......0... Teil pepacnasbope eeu add| (bee bed (bed [oe Paleod [oc Geol. Rept. p. 380, t. 28 A, f. 2. ? Murchisonia covered 
with an anorphozoon. 
— pseudo-regulare Portl. ......600.05 bn} {500 {S00| feos (200 Pa fee (oe Geol. Rept. p. 379, t. 26, f. 2. Orthoceras regulare. 
— pseudo-speciosum,.. Portl, ...... 654] lean} }o00| [ool loco fens Pal eee ee Geol. Rept. p. 380, t. 26, f.3. O. speciosum, Mist. Beitr. 
3, p. 107,96; t. 18, £. 3. 
NAUTILID®. 
Lituites ............ Breynius, 1732. 
Hortolus,....... Montfort, 1808. 
Spirulites .....- Parkinson, 1811 TETRABRANCHIATA. 
Trocholites...... Conrad, 1838 ... 
— anguiformis ... Salt. ......c000. od eal Se ane al Belle al esalioce licos tisealledelicas eel l ieee Trocholites, M‘Coy, Brit. Pal. Foss. App. A, p. viii, and 
i p. 323, t.1 L, f. 26. 
— articulatus ...... ISS ppeccnsnonso| ese ood lee (ocd face) face foiso| aod) Ianel eae *| | * Sil. Syst. p. 622, 705, t. 11, f. 5,73 ib. Siluria, 4 ed. t. 31, 
f. 6. 
— Biddulphii ...... SOs ace cnc eteallene| teallees| eee fea ltcen [sac ee floc [tees Eels Sil. Syst. p.626, 705, t.11, £.8; ib. Siluria, 4ed. t. 31, f. 5. 
— COMU-aArietiS ... SOW. cresescoseelecs|eee|are|ecefere eal es | [eal Sil. Syst. p. 643, 705, t. 20, f. 20; ib. Siluria, 4 ed. p. 200, 
Foss. 43, £. 2, t. 7, f.10; t.11, f.2: ib. Portl. Geol. 
Rept. p. 383, t. 28 B, £..7; var. L. Sowerbianus, D’Orb. 
? Lit. lituus, His. Leth. Suec. t. 8, f. 5. 
— giganteus ...... ISCO BN Gapeencpaccal ced loco lood| ase land) Inocl|5d0 ANG Fe\ (rallies) 5 Nocel lace Sil. Syst. p. 622, 7os, t. 11, £. 4; ib. Siluria, t. 33, f. 1-3. 
Hortolus, Mont£. M‘Coy, Brit. Pal. Foss. p. 324. Trocho- 
ceras, Hall. 
— Hibernicus...... ISECTIA Gopneneoaces aoe cod |eael ob) laoa| tac Pl 14o8 Ian keel feel face [bee] jae [cod aoa | Ho Brit. Assoc. Rept. 1852, p.61; ib. Salt. Siluria, 4 ed. p. 200, 
Foss. 43, f. 3. (Zrocholites.) 
a MGOCDy seteslevoa erases {cbs PEeREOCE REED toc cel (atte Feet: (eee ool ceed Sel label femal [asalfeso| karl fad) [ca] noel [dos Vide Orthoceras. 
