4 
PALAOZOIC. MY PRO ZO“. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
Ee ‘ Slepelehsiel else 
| | SlSlSle lela lBlelelg 
4\.lg|.| | |EISRel4agrislé 
SPECIES. a lelels| |Sicalelemlsial Bisel REFERENCES. 
aye lel ee SS iRalais lelels/slelel2 
FISIRISISIRSIAIS IF IEE Alsip ia |e 
Sub-Kingdom, CHLENTERATA 
Frey and Leuchart, 1829. 
Class, HY DROZOA. 
NEMAGRAPTIDE. 
Azygograptus ... Nicholson and 
Lapw. 1875 
— Lapworthi ...... VECTi secs ss. Fy(Ree| late losel lane pec abel eed lone Ann. Mag. Nat. Hist. 4 ser. vol. xvi, p. 269, t. 7, f. 2. 
CALLOGRAPTID®. 
Callograptus ...... Hall, 1865. 
— elegans ......... TECHS Se ceecgenie| [pan to0 3! [ec] lose Ieae| laeclloro| saclioe sl feec| see) eel den Grapto. Quebee Group, p. 134, t.19, f.1-4; ib. Hopk. and 
Lapw. Q. J. Geol. Soc. vol. xxxi, p. 666, t. 36, f. 9. 
— radiatus ......... LOD Kednwae sajse el :||Se0llegcl lane nol (oe eal ace lobs| Ineal ins leorl ane Q. J. Geol. Soe. vol. xxxi, p. 665, t. 36, f. 8. 
— radicans ......... LEG a crenanciod: #3 | one fope| [a4 are|joeo|anellene Ann. Mag. Nat. Hist. 4 ser. vol. x, p. 233, t. 10. 
=—SOBICEMI. coasters sot GU. ss ecstace 7 eel liso) [erie Janel lar Geel Isee| cba lose) sacl eel ees Grapto. Quebee Group, p.135, t-19, f. 5-8; ib. Hopk. and 
Lapw. Q. J. Geol. Soc. vol. xxxi, p. 667, t. 36, f. 10. 
NEMAGRAPTIDR. 
Cladograptus ...... Geinitz, 1852... 
Carruthers,1858 
Pleurograptus .. Nicholson, 1867 
— capillaris ...... TERS caescaencosa| ods) 058 [609| [ane bool leon) load leo" ecel exc Vide Nemagraptus. 
— gracilis ......... J HCY Seneeeceseed| (220 004 bed [aoe] cel eee| feel [See| lene [eel hol lore Vide Helicograptus. 
— linearis) .....5... OTF pepe cote eos] bod (04 Bec [ood eee) [ba5 |ane|/oad jeed| eee N54) oallase| {Beal pc Vide Pleurograptus. 
DICHOGRAPTIDR. 
Clematograptus ... Hopkinson,1875 
— implicatus ...... JERG TOs eeorrspoen Pd! [bed lapel bad fea lee Loganograptus, Brit. Assoc. Rept. 1872, p. 107. Clemato- 
graptus, Grapto. of Arenig and Lland. Rocks, St. David’s, 
DIPLOGRAPTID®. Q. J. Geol. Soc. vol. xxxi, p. 652, t. 34, f. 1. 
Climacograptus.,. Hall, 1865...... 
antennas, .,. HLL 2). vsccess.c|sca|(ens|-cellecc|eac|loea|ecelleecQ ee Vide Diplograptus. 
— bicornis ......... HGS occ vesnes)| cea one Peal feel laeel oee Diplograptus, Pal. New York, vol. i, p. 268, t. 73, f. 23 ib. 
Mem. Geol. Surv. vol. iii, p. 329, t-11 a, f.1 b,c. Vide 
Nicholson, A. M. N. Hist. 4 ser. vol. vi, p. 380, 1870. 
— bullatus .......,. IS/Ua5 appa seread ool tae er\aee| sae fsa8| lease si lucallese Diplograptus, Q. J. Geol. Soc. vol. vii, p.174, t- 10, f. 2. 
— celatus ......... UEFA eoaeecterece| aed ool sea Ieee] Hes  |loo|[eef eae Hopk. and Lapw. Grapto. Arenig and Lland. Rocks, St. Da- 
vid’s, Q. J. Geol. Soc. vol. xxxi, p. 655, t. 35, f. 8. 
— confertus......... QD vac ascssses Fe Bea saa eel ea] eel eked ce ieee Grapto. Arenig and Lland. Rocks, St. David’s, Q. J. Geol. 
Soc. vol. xxxi, p. 655, t. 34, f. 4. 
— implicatus ...... Tek D ep rececebene6| PEA nos jobe| [dae] ec] sel opel eer hae | dees le (eel lee Vide Clematograptus. 
— innotatus......... Le rece Rape An HAR nba oael eg laee| Be 9 |I heal lsdal foes Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 238, t.11, f. 16. 
— minutus ......... Cat reps vos send esas leas cea fee x feee[eeefee Geol. Mag. vol. v, p.131, t. 5, £. 10. 
— rectangularis ... M<Coy .........)...|... Kilsecloccd ese Diplograptus, Brit. Pal. Foss. p. 8, t.1 B, f. 8; ib. Leth. 
Suec. t. 38, f. 4. Diplograp. Salt. Q. J. Geol. Soe. vol. vii, 
p. 63, t.1, f.11. (? C. scalaris.) 
— scalaris ......... JE Co ppgenreeeeca| ter ope (ast) eel (oe bell beetees Grapto. Skanska Resa, p.147. Prionotus, His. Leth. Suec. 
p- 113. CC. sealaris, Hall, Grap. Quebee Group, p. 111. 
Siluria, 4 ed. Foss. p. 61, f. 4. Dipto. rectangularis, M‘Coy, 
Brit. Pal. Foss. p. 8, t.1 B, f. 8. 
— teretiusculus ... His. ..........., al x | Prionotus, Leth. Suec. supp. 2, p. 5, t- 38, £.4. Grapto. per- 
sonatus, Schirenberg ueber Graptolithen, t. 2, f. 17, 32. 
Diplograp. teretiusculus, Salt. Q. J. Geol. Soc. vol. viii, 
p-. 389, t. 21, f. 3, 4. Climaco. Nich. Q. J. Geol. Soe. 
vol. xxiv, p. 139, t. 5, f. 11-13. 
—=TUDEMCTUALUB, 5.5 NICK. ccse.s-sese|eeclesclecalscal oa. ski] cve|eda| aoe Ann. Mag. Nat. Hist. 4 ser. vol. iv, p. 239, t. 11, f.18. 
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