xlii TABLE OF GENERA. 


CaMBRIAN, SinvrRran. 


Lower Cambrian. 
| Menevian. 
Ffestiniog. 
Tremadoce. 
Arenig Group. 
Lower Bala. 
| Middle Bala. 
Upper Bala 
May Hill Group. 
Lower Wenlock. 
Wenlock Group. 
Lower Ludlow. 
stone, 
Ledbury Shales. 
Upper Ludlow. 
Downton Sand- 


Actinozoa 
Stenopora axe aan Fao tll adel yoni oecwl ieaeoe leds 
Nebulipora... Bate peelllapess dll ace allhcowal lnesteadl se 
Heliolites ae Aan Bees | doce leacice.| osbinleoosie| iesclacnall les 
Favosites ase ye8 EA eects Aldectersy bees ul eketersr lier Sk | excise 
Halysites spe 508 She- || aerGe | aceyl| ware allecace | cone lee 
Omphyma aoe oat soo |Pocoe|{soa. "anor If saae,|| Soo |) tobe 
Cyathophyllum ons $511) aonelmoposlleetabuiieosaell coowles 
Sarcinula ae: aa BS ce|| <cdque| ncaa \xgcetel | esas | doutel Ieac 
Petraia AO0 sa pees roll cose ll| coe limes 
Paleocyclus ... 530 sio|| oct eaaNl| nes, |) coo 
Fistulipora... aan Sc || code arian (ees el ieee) kore | eeralltago | tee Foote 
| Ceenites ds: “ae pectilbece: Wieds IMeow We WEeonallresaalf ese | ees sisi! sees 
| Alveolites “ac oes Boe) || acon! \esecwn nce ell uee +||'<dorial (eee dirsoc | Mean Soe \Iienae 
| Chetetes wai a Goer || ocd esneaal| teal wason ||: catia Seo. l|enoee eae 606: ||lecae 
Labechia aee ae Bade || aetooee kacoctel Ieanae Ill obs: j/acocta|| coca eeccuml mace 500 
Thecia ai ui Seen allt eles lt tare lected Mace [Peoest' Issey |) Geers, cae Sa0.|| dee 
Syringopora ... dae 200 || a0 |} cea |} ovo |} geo |] oon |) con |} von. [I coee colleaee 
Aulacophyllum ae See tl[Uiraces sce || sean eis te acne! le Sandal eer (aera Ab6 
Ptychophyllum < 560 || goa]! 09° |} coos lf oes |) con I San | coc: |nee noc 
Goniophyllum ... 0 Sag ||ebe- || “ocd: Mresaell -onselhnicned | cote Mopeal ieage so 
Arachnopbyllum aan Face erase sleet clingrees tetas tate nell teeiseal sare Ape lias 
Cystiphyllum ... = 40g. '|| 066. |[Mene al| ona. |freaae| (Gor |Piktors tl ober tleaos 
Clisiophyllum ... ae as0 || soo IP aon oaaall cos [vod 
| Cyathaxonia ... sce aren (errs ||lrescte ll vaste |feage lll voaee llfRest> iljnseiets| aoe 95ch || eee 
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7k KOK OR OM 
eK Oe Oe 
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Echinodermata 
Protocystites ... n0¢ oa0 |||. coos || Ne 
Echinospheerites 500 Sonn || coos monoulliieee Seca lines | ioe ier 
Sphezeronites ... a 508, || 06 |Io00 lheado |)4on NY oa0 i ‘aan. If 
Apiocystites ... 506 500 || cou | eas |} cos |] ese |) com |} 060. || de |} eon noe 
| Prunocystites ... os Pera Beant eee (ctu erseulieteenl esa | cae dul eae Sao. fia 
| Pseudocrinites... ae Sade }| ccd lace frodse cata acral ieser, =mCBon lator 
Echino-encrinites 505 See. || “oactl|@aa 361 Goo. eer |lsony Il) canal lence | son doo |Irobo 
Ateleocystites ... nae eee prec eellissiees ||fiesell| sie Wu stesmliWesd. || seer dleeoe 060 || cos 
Pisocrinus sue Ra ade) || aoa iitdos Hance. las ||lSe0: Ifeoo IBoons || ese Boge | eee 
Glyptocrinus .,. Bee néq |i doasfeads. foam Wades || adn. l|iooell|| Isee-l|| cod ce se 
| Periechocrinus... oe SSoel dec. | lee om ieceee | ogre he cetsulicoeal (accel (ere a leeo 
| Actinocrinus ... ae S00 || 686° |] dosel|soon eSag {fone all ado u|feaas iloee 300 |] gs |} oa0 fle 
Hypanthocrinus aes Meinl Cae lf! don. ineu tfeseeal| yoons||Vaco<\iecaascoo. . |[)  sdoom |e 
Herpetocrinus ... Sin Abe, A} too5{ oon), feral fureest||) corel|lecee al lueron | cao oéanil oe 
Cheirocrinus ... 000 BAAR] Scere aco: adem Pesee el ineecdllt Socal ase: IN" ond os 
Marsupiocrinus 508 BP en i sora obG |\ odcn] aaa Receeen aces 1 lected liecaa Soult eee 
Dimerocrinus ... 500 Sorell coral acs ||: Adeull seed ecco ccs -|leaae albease ies, Il rate 
Mariacrinus... aon Seon ||| oneal haae i) dot iMoes Non) daa || soa \h.o6r ae 
| Platyecrinus ... S06 ana Meats: || Pech] satstae |resepall| Meeectl | siete [tee ell eee sods |e 
| Crotalocrinus ... ies Feel feces ariel moos aliecces leone: \ltinod Jl Peccenal ace she 
| Cyathocrinus ... ane Aen cee leccralleene: ecreu|lpoce. Ices | ane: meas sade'| | ak 
Taxocrinus.... an Fae Aogaiwook |laceeelso6. Paco ‘||/o0a |lleadar heeded Nee ||| eee 
Ichthyocrinus ... a Jeeel| keodgel| a6 || \esoe|soeo |h. cea"), o6e~jfecanal ease woe | eee 
* * * Ke KX KH HK * 



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