696 
Colobocentrotus, 232 
Coloceras, 523 
Colospongia, 65 
Colpocaris, 655 
Colpoceras, 514 
Columbella, 475 
Columnaria, 79 
Columnastraea, 90 
Columnopora, 99 
Colus, 478 
Colymmatina, 49 
Comaster, 175 
Comatula, 174 
Comatulina, 174 
Combophyllum, 74 
Cominella, 475 
Comoseris, 94 
Compressidens, 431 
Compsoneura, 684 
Conactaeon, 485 
Conchicolites, 254 
Conchidium, 321 
Cowchocele, 410 
Conchodon, 376 
Concholepas, 478 
Confusastraea, 90 
Congeria, 386 
Conocardium, 369 
Conocephalites, 627 
Conoceras, 517 
Conoclypeus, 234 
Conocoryphe, 627 
Conocrinus, 169 
Conodonts, 255 
Conolampas, 242 
Conolichas, 632 
Conorbis, 483 
Conoteuthis, 599 
Conotreta, 308 
Conotuligera, 263 
Conradia, 306 
Constellaria, 276 
Conularia, 491 
Convexastraea, 90 
*) Cophinaceras, 522 
~~ Coptostyllus, 467 
Coralliochama, 403 
Coralliophaga, 395 
Corallium, 106 
Corbicella, 409 
Corbicula, 397 
Corbis, 409 
Corbula, 422 
Corbulamella, 422 
Corbulomya, 422 
Corburella, 393 
Cordylocrinus, 139 
Corethrium, 688 
Corimya, 390 
Cornucaprina, 401 
Cornulites, 253 
Cornuspira, 25 
roniceras, 575 
** OBronula, 652 
ee dalites, 686 
orydaloides, 684 
Corymbocrinus, 147 
Corynella, 64 
Coscinella, 279 
Coscinium, 280 
Coscinopora, 58 
Coscinotrypa, 280 
Cosmoceras, 587 
Cosmogyria, 576 
Costidiseus, 571 
Cottaldia, 230 
Cotylederma, 171 
Cranaena, 328 
Crangopsis, 659 
Crania, 311 
Craniella, 311 
Craniops, 311 
Craniscus, 811 
Craspedites, 581 
Craspedochiton, 435 
Craspedophyllum, 77 
TEXT-BOOK OF PALAEONTOLOGY 
Craspedopoma, 460 
| Craspedosoma, 682 
Craspedostoma, 449 
Crassatella, 397 
Crassatellina, 397 
Crassatellites, 397 
Crassina, 395 
Crassinella, 395, 397 
Craterina, 182 
Craticularia, 57 
Crenatula, 370 
Crenella, 386 
| Creniceras, 569 

Crenipecten, 380 
Crepidophyllum, 77 
Crepidula, 461 
Crepipora, 268 
| Crescentilla, 658 
Creseis, 489 
Creusia, 652 
Cribrilina, 287 
Cribrostomum, 28 
| Crioceras, 588 
Crioceratites, 588 
Crisia, 260, 489 
Crisina, 262 
Cristellaria, 27 
Cromus, 634 
Cromyocrinus, 161 
Crossopodia, 256 
Crossostoma, 449 
Crotaloerinus, 150 
Crucibulum, 461 
Cruratula, 332 
Cryptacanthia, 328 
Cryptaenia, 443 
Cryptangia, 86 
Cryptaulax, 469 
Cryptaxis, 95 
Cryptoblastus, 196 
Cryptoearis, 658 
Cryptoceras, 524 
Cryptochiton, 435 
Cryptochorda, 481 
Cryptoclymenia, 548 
Cryptocoelia, 65 
Cryptocoenia, 89 
Cryptoconus, 482 
Cryptocrinus, 184 
Cryptodon, 460 
Cryptomya, 421 
Cryptonella, 327 
Cryptonymus, 629 
Cryptoplax, 435 
Cryptoplocus, 468 
Cryptopora, 325 
Cryptoschisma, 198 
Cryptozoe, 655 
Ctenocephalus, 627 
| Ctenoceras, 519 
Ctenocrinus, 147 
| Ctenodonta, 363 
Ctenostreon, 383 
Cucullaea, 365 
| Cucullaria, 365 
Cucullella, 363 
Culicocrinus, 139 
Cultellus, 419 
Culumbellaria, 472 
Culumbellina, 472 
Cumingia, 418 
Cumulipora, 286 
Cuphoselenus, 471 
Cupressocrinus, 137 
Curtonotus, 395 
Cuspidaria, 392 
Cuvieria, 490 
Cyathaxonia, 74 
Cyathidium, 171 
Cyathoerinus, 156 
Cyathodonta, 390 
Cyathophora, 89 
Cyathophycus, 55 
Cyathophyllum, 76 
Cyathopora, 89 
Cyathoseris, 91 

Cyclas, 398 
Cyclaster, 247 
Cyclichna, 487 
Cyclidia, 452 
Cyclina, 415 
Cycloceltites, 558 
Cycloceras, 518, 578 
Cycloclymenia, 548 
Cycloclypeus, 34 
Cycloconcha, 393 
Cyclolites, 94 
Cyclolituites, 521 
Cyclolobus, 564 
Cyclolomops, 472 
Cyclonassa, 476 
Cyclonema, 448 
Cyclophorus, 460 
Cyclophthalamus, 679 
Cyclophyllum, 78 
Cyclopora, 283 
Cycloporella, 283 
Cyclorhina, 325 
Cyclosphaeroma, 669 
Cyclostoma, 460 
Cyclostomiceras, 530 
Cyclostrema, 452 
Cyclotrypa, 269 
Cyclotus, 460 
Cyclus, 670 
Cylindra, 480 
Cylindrites, 485 
Cylindrobullina, 485 
Cylindromitra, 480 
Cylindrophyma, 51 
Cyllene, 476 
Cymaceras, 569 
Cymaclymenia, 548 
Cymatoceras, 526 
Cymatochiton, 434 
Cymbites, 575 
Cymbium, 480 
Cymbophora, 420 
Cymella, 392 
Cymia, 478 
Cypellia, 58 
Cyphosoma, 231 
Cypraea, 473 
Cyprella, 647 
Cy pricardella, 394 
Cypricardia, 395 
Cypricardinia, 394 
Cypricardites, 365 
Cypridea, 646 
Cypridella, 647 
Cypridellina, 647 
Cypridina, 647 
Cypridinella, 647 
Cyprimeria, 415 
Cyprina, 395 
| Cypris, 646 
| Cyprosina, 647 
| Cyprosis, 647 
Cyrena, 397 
Cyrenella, 410 
Cyrenoida, 410 
Cyrtactinoceras, 528 
Cyrtendoceras, 515 
Cyrtia, 336 
| Cyrtidocrinus, 164 
Cyrtina, 335 
Cyrtoceras, 530 
Cyrtocerina, 517 
Cyrtochilus, 571 
Cyrtoclymenia, 548 
Cyrtocrinus, 170 
| Cyrtodaria, 422 
Cyrtodonta, 365 
Cyrtodontopsis, 368 
Cyrtolites, 445 
Cyrtopinna, 369 
Cyrtopleurites, 560 
Cyrtopora, 264 
Cyrtorizoceras, 529 
Cyrtosiceras, 569 
| Cyrtulus, 478 
| Cystechinus, 244 
Cystiphyllum, 79 
Cystispongia, 61 
Cystocidaris, 219 
Cystodictya, 280 
| Cytaster, 187 
Cythere, 645 
| Cytherea, 415 
Cythereis, 645 
Cytherella, 646 
Cytherellina, 646 
Cytheridea, 645 
Cytherideis, 645 
Cytherodon, 363 
Dactylioceras, 579 
Dactyloteuthis, 597 
Dactylus, 484 
Dadocrinus, 167 
Dalila, 362 
Dallina, 351 
Dalmanella, 319 
| Dalmanites, 637 
Danilia, 451 
Danubites, 559 
Daonella, 371 
Daphnella, 483 
Daphnites, 560 
Daraelites, 563 
Darellia, 576 
Dasyceras, 567 
| Dasypeltus, 683 
Daudebardia, 496 

Davidsonella, 306, 316 
Davidsonia, 314 
Daviesiella, 318 
Davila, 421 
Dawsonoceras, 518 
Dayia, 334 
Deakia, 247 
| Decacnemos, 174 
Decadocrinus, 160 
Decadopecten, 381 
Defrancea, 264 
Deiphon, 636 
| Deiroceras, 528 
Dejanira, 454 
Dekayella, 273 
Dekayia, 273 
Delocrinus, 161 
Delphinula, 449 
Delphinulopsis, 453 
Delthyridea, 332 
Delthyris, 333 
Deltoceras, 519 
Deltocyathus, 84 
Denckmannia, 577 
Dendracis, 95 
Dendricopora, 283 
Dendrocrinus, 155 
Dendrocystites, 186 
Dendrograptus, 114 
| Dendrophyliia, 93 
Dendropupa, 496 
Dendrostrea, 373 
Dentalina, 27 
Dentalium, 431 
| Derbya, 314 
Dermatomya, 392 
| Dermatopora, 287 
| Deroceras, 579 
Deshayesia, 462 
Desmeopora, 264 
Desmidocrinus, 144 
Desmoceras, 569 
Desoria, 246 
Deutocystites, 182 
Diadema, 229 
Diademopsis, 229 
Diadiploceras, 524 
| Diadochoceras, 587 
Diamesopora, 268 
Dianulites, 275 
Diaphorites, 579 
Diaplococeras, 556 
Diapora, 118 
Diastoma, 457 
