PALAOZOIC, ANNELIDA. CAMBRIAN AND SILURIAN. 
CAMBRIAN. LOWER SIL. UPPER SILURIAN. 
z\.le|.| | GR eReREree 
SPECIES. lalate] iSiolalgl ee la (ela lala. REFERENCES. 
2) e eSlele SAIS S/S) 81518 /5\3/2 
HISISISISISiSHPEEEIAlpial& 
Sub-Kingdom, ANNULOSA. 
Div. ANARTHROPODA. 
Class, ANNELIDA. 
Orders, Tubicola ; 
\ Palwozoic. 
»  Lrrantia 
DoRSIBRANCHIATA. ERRANTIA. 
| Annelida, tracks of ... Salt.......... «|x| al «peel ele lap |e] & | x |e] | * || % | occur through all the Paleozoic rocks, under various generic 
names. 
DorsIBRANCHIATA. 
Aphrodita? ...... Linn. 1735 ...00+ ERRANTIA, 
—. Spi siciisiesvee POtLUS yr avadteeeet ge (doc apd| fees ao was| [ee | oe vesfess[ecsfecelecsecefeee{oee| Geol. Rept. Lond. p. 362, t. 24, f. 8. 
DORSIBRANCHIATA. 
Arenicolites ...... Salter, 1856 
(Double annelidan burrows)...... 
Scolithus......... Hall (part) ERRANTIA. 
— didymus ......... SQL Ee aassesctrceedls Pall 4 | lel toed (soe Fao leollood (hoe ses[ecs[eselere|ece[eveleee|oee| Arentcola, Q. J. Geol. Soc. vol. xii, p. 248, t. 4, f.15 ib. 
Siluria, 4 ed. p. 28, Foss. 2, f.1. 
——INCATIS! ive ne ase WAG evcivcesetoss baal e6al loca) is?3| Jes kena eee ead lsc sesfece[eceecs[eee{eee[ee|---| Scolithus, Pal. New York, vol.i, t.1, f£.1. Arenicolites, 
Mem. Geol. Surv, vol. iii, p. 292, t.11 B, f.27; ib. Siluria, 
4ed. p. 40, Foss. 4; ib. Q.J. Geol. Soc. vol. xv, p. 368, 
woodcut. 
Nmpns poeesucde Kok ok |eacpece Gus focal lpadl food secfece[ecelece[eee[eee]eee].e-] Q.J. Geol. Soc. vol. xv, p. 203, t.5, f. 1-4 (small and large 
conditions or habit). 
Baleroneoontics Beal Reclisoal less all Ses8| od ano sso peeve (evel|eve]enelane|ers|| (Quel. Geol. SOG: -vOl. xv, p. 360; ‘b.135) £2 205.50; 
ey bietweeweneaens 6) eat ie feod oo ¥ liseallteas| pee sesface[aee[eee|eee{eue{oee|...| Mem. Geol. Surv. (Geol. N. Wales), vol. iii, p.243, f.2, wood- 
cut. (Scolicites.) 
DORSIBRANCHIATA. 
Chondrites ? ...... Sternb. 1833 ... 
(Annelide burrows, filled up) ... HALE 
— acutangulus ... M‘Coy ......... seal eer| loa aec Photo sete [ Ree ate acs sou|con|sea|/set|ese|ecol-<r|e0|| Uarat. Pal. Noss. tb. Aly if. 53 1b. McCoy, Qin Geolynsoc. 
vol. iv, p. 224. 
— informis ......... MES CGY A iccerest 860 [nd |aeel aad) [ese feiay luo bal foc Vaillses| oneleealers| seller) ec|( Wort. Wal. oss. t. 0eAl f.-4i5\ ib. M<Coy, (QJ. Geolusocs 
yol.iv, p. 223; ib. Harkness, Q.J. Geol. Soc. vol.xi, p. 473. 
— regularis......... 73 dl DPE REED bal scored leoel (nest elles) abel (an 5d Bool lua esol Sse) loelised|leael| BAR Co ltStores Sellinet jah iey, 
= SDE cescaseenees isto. conesonocbee Fy hao od eed ee B24 Hod eel sal lec Mem. Geol. Surv. (Geol. N. Wales), vol.iii, p.243, £.1, wood- 
cut; ib. Q. J. Geol. Soc. vol. xii, p. 246. 
R=) | OS Das sceseeeeee ISHS LesconopoLan Ful sol [oa fone) (eae) lane bee acl aon ses[ee{ece]ese[ecefeee]-ee{eee| Mem. Geol. Surv. (Geol. N. Wales), vol. iii, p.292, t.3, £. 4, 
t. 4, £. 13. 
CEPHALOBRANCHIATA. 
Cornulites ......... Schloth. 1820 APES ONE 
— serpularius ...... Schloth. 2.11.02. seslaveleet|iosaery vee[ 1D | le |e [ecel ae |e [eve|eee] Detre£. t. 29, £.7; ib. Sil. Syst. p. 672, t. 26, £5583 ib: 
Siluria, 4ed. t. 16, f.3,10; +t. 10, f. 2. 
DoRSIBRANCHIATA, 
Crossopodia ...,.. M ‘Coy, 1848 pay 
ATR Sis ssccr ess DLO pe Peoercred Keer eal ee eee! Wee Bas, ace eel oe lide |e sacl € | Geleeetieorib bal, Koss. —p..L30;, tb. WDyekel4s 
— Scotica ......... HAS OGD crtechecel oct Ged lone| (Gee) eee Pall loos boo Brit. Pal. Foss. p.130, t.1 D, f.15; ib. Siluria, 4ed. p. 201, 
Foss. 44, f. 4. 
——_ a 
