CRUSTACEA. 
PAL.ZOZOIC. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
=| 16 SlSislelelslelalele 
2} |S ~ISlSiFigiSsigifsls|4 
ap yaRS Alsimls| |glSle[Slol@ sl .ie la bier 8 
SPECIES. slSlelS} .iSlolSls|2Sslslaleialal. REFERENCES. 
ml\elslSlulelolai[siSislsinlelazlc|s 
ISIE ShslS IS IRS le lel so ol sie] = 
ale /S{5/5 ale |= |alsis ele /cl ale |g 
MIS IRIS iA ISAS FEE IS laisla la 
Ceratiocaris (continued). 
— papilio............ SGUee yaeeastanveifiers| iiss) ker'limes{leas|(tes (selec | nn x Ann. Mag. Nat. Hist. 3 ser. vol. v, p. 155, woodcut, p.154; 
H. Woodw. Crust. teeth, Geol. Mag. vol. ii, p. 401-408, 
t.11, f.1, 2; Salt. Siluria, 4 ed. p. 236, Foss. 66, f. 1. 
—-_ PETOLTNAEUS 00... cee cece c essen ceesen cee |tet| eet fece|eeefeee|oeslenelecefoes[eeeleeel eve] eeelens 
— robustus ......... IS] AlSse eee ceED| (00d |oe5) (abe) Ise] oda] see! feed! feed) (seal eee * Ann. Mag. Nat. Hist. 3 ser vol. v, p. 158. Pferygotus 
(Leptocheles), M‘Coy, part, Brit. Pal. Foss. t.1 E, f. 7. 
— solenoides pee MES COY) ec canesn)| Sos ||%s| eel acs] er [ewe onal ie| ae * x Brit. Pal. Foss. p.138, t.1 E, f. 5. 
— stygius ......... ISTCZAE se ceeen8ced [6G] 1205) [sea] adc food 30g) lope jas] fea |x * Ann. Mag. Nat. Hist. 3 ser. vol. v, p. 156. 
— umbonatus ...... Stet “BanseSpaeecd |Ocel ad 1608) [bod feos Flop pod Iaa¢] Jang kone! lace fend! foal boc Cythere, App. M‘Coy, Brit. Pal. Foss. pt. 2 A, t.1 E, f. 6; 
| ib. p. 38. 
i WESICAN Jc cense ens SICA eeeneabeosog| 00d focal ars] ood [seq] oso er [Bes foo8) fone [erin x Ann. Mag. Nat. Hist. vol. v, p.159. (Phytocaris.) 
. 
CHEIRURID®. 
COrQUrus ..eccccceese Green, 1832 
— globiceps......... TA rene snben6| Ged oce| foe) oe [ods] joo Iss) |b4 |oobl ars facto Vide Staurocephalus globiceps. 
| Williamsii ...... WR) Sbesce| 08 \065] [dod dor fora! fod] kesellood| |aoe Vide Cheirurus bimucronatus. 
| 
PHACOPIDE. 
| Chasmops .........4+ M ‘Coy, 1849 ... 
} Sub-genus of Phacops ......cccc0.|ove|one|ere[oorpooe]ecs[eve|oefoee|ece|eee 50d fr 
— Conopthalmus.... BOCK. .......0+001| 20+] 20+|s0+| coef ecolers|oes|ose]oee|occless|ooe|one|ere [eco] vee Gc | 
— Jukesii wi... YAR pospesispchon| [ond |boel [ese aed |aa0| 655) [eso] lend aoa eae Vide Phacops for these species. 
| — macroura ...... SYS “Gopeeocadeos| |e [ace fac8) [seq] Io00] sol feno| [ood] fado| Ino] adal loom fan Kaan 
| — odini ices CLC RA Me case) wonltaatesal cel bse] cee Ger | as ea eae 
— truncato-caudatus Portl. ......... Bod Wedel eral toad Mahl O08! carl load bod laad <4 
J 
CHEIRURID2. 
Cheirurus ...,..... Beyrich, 1845 .. 
Ceraurus......... GECEN .cesscuves> 
— bimucronatus..,. Murch. ......c..)ee-[ee-]ese}eecfees|oee Pa et ea Pr (a Fe Paradowides, Sil. Syst. t.14, £.8,9. Cal. speciosa, Hising. 
Leth. Suec. t. 39, f. 2. C. speciosus, Salt. Mem. Geol. 
Surv. vol. ii, pt.1, t. 7, f. 4-6. Cheirurus bimucronatus, 
Salt. Dec. VII, t. 2. Ceraurus Williamsii, Brit. Pal. Foss. 
p.155, t.1 F, f.13. Cheirurus bimucronatus, Salt. Mono. 
Brit. Sil. Trilob. Pal. Soc. p. 63, t. 5, f.1-5; t. 6, f. 9- 
18. Var. a, bimucronatus, ib. p. 64, t. 6, £.15-17; ib. 
Dec. VII, Geol. Surv. t. 2, f. 4-6; var. B, C. centralis, 
Salt. Mono. Brit. Sil. Trilob. Pal. Soe. p. 64, t. 6, f. 9-14, 
18; ib. Mem. Geol. Surv. Dec. VII, t. 2, f.16. C. bimu- 
cronatus, Salt. Mem. Geol. Sury. vol. iii (Geol. N. Wales), 
p. 323, t. 18, f. 4-6; ib. Siluria, 4 ed. p. 235, Foss. 65, 
£. 43 ¢.3, £253 t29; £. 10-07. 
— cancrurus ...... Salts, aiscvusceseallecs|teafeca| ees] senlese | Bod [one Mem. Geol. Surv. Dec. VII, art. 2, p. 11. Cheirurus gela- 
sinosus, M‘Coy, Synop. Sil. Foss. Irel. p. 44 (non Portl.). 
C. cancrurus, Salt. Mono. Brit. Sil, Trilob. Pal. Soc. p. 72, 
t. 5, £.15 (16? head). 
— clavifrons ...... SDGUIN re cece neess) ser |(eeslece eee) see  [eoefere Calymene, Palead. p. 59; Salt. Mem. Geol. Surv. Dec. VIT; | 
ib. App. Brit. Pal. Foss. p. iii, tab.1 G, f.9? p.154, t.1 F, 
f. 11,12. Spherexochus Juvenis, Salt. Mem. Geol. Surv. 
vol. ii, pt.1, t. 7, £ 1-3 (non 3b). C. clavifrons, Siluria, 
4ed. p. 206, Foss. 48, f.1. 
a a ee) ESS a] Sa TE 0 FP De ae Sa ee 
4 
