Diastopora, 261 
Diastoporina, 261 
Dicamara, 341 
Dicellomus, 305 
Diceras, 400 
Dicerocardium, 377 
Dichocrinus, 140 
Dichograptus, 118 
Dichotrypa, 280 
Dicranella, 644 
Dicraniscus, 315 
Dicranogmus, 632 
Dicranograptus, 119 
Dicranopora, 280 
Dicranurus, 633 
Dicroloma, 470 
Dietyoceras, 518 
Dictyocicada, 686 
Dictyograptus, 114 
Dictyonella, 312 
Dictyonema, 114 
Dictyophyton, 55 
Dictyopleurus, 232 
Dictyothyris, 329 
Didacna, 412 
Didymites, 566 
Didymoceras, 588 
Didymograptus, 118 
Didymopora, 269 
Dielasma, 328 
Dielasmina, 328 
Diempterus, 470 
Dignomia, 307 
Digonioceras, 526 
Dikelocephalus, 629 
Dimeralla, 325 
Dimeroceras, 552 
Dimerocrinus, 145 
Dimorion, 531 
Dimorpharaea, 94 
Dimorphastraea, 94 
Dimorphina, 28 
Dimorphites, 554 
Dimorphoceras, 553 
Dimorphosoma, 471 
Dimya, 382 
Dimyodon, 382 
Dinarella, 327 
Dinarites, 559 
Dinobolus, 306 
Dinoplax, 435 
Dinorthis, 319 
Diodoceras, 526 
Dionide, 625 
Dionites, 560 
Dioristella, 341 
Diorugoceras, 523 
Dipeltis, 687 
Diphragmoceras, 514 
Diphyites, 329 
Diphyphyllum, 77 

, Diptychoceras, 571 
Dirrymoceras, 586 
Dischides, 432 
Discina, 310 
Discinisca, 310 
Discinocaris, 658 
Discinolepis, 309 
Discinopsis, 308 
Discites, 523 
Discitoceras, 523 
Discocavea, 264 
Discocea, 270 
Discoceras, 519, 584 
Discoclymenia, 548 
Discocyathus, 84 
Discocytis, 264 
Discodermia, 49 
Discofascigera, 264 
Discohelix, 447 
Discoidea, 234 
Discophyllites, 566 
Discoporella, 265 
Discorbina, 30 
Discors, 412 
Discoscaphites, 572 
Discosorus, 528 
Discosparsa, 261 
Discotrochus, 83 
Discotrypa, 278 
Disculina, 329 
Disjectopora, 113 
| Distichioceras, 570 
Distichites, 560 
Distoloceras, 588 
Distortrix, 475 
Ditaxia, 267 
Dithyrocaris, 657 
Ditremaria, 444 
Ditretus, 469 
| Dittmarites, 560 
Dittopora, 276 
Divaricella, 408 
Dolatocrinus, 148 
Dolichopteron, 367 
Dolichopterus, 676 
Dolichotoma, 482 
Dolium, 474 
Domatoceras, 525 
Donacicardium, 407 
Donax, 419 
Doricranites, 556 
Dorsetensia, 577 
Doryceras, 562 
Dorycrinus, 143 
Doryderma, 52 
Dosinia, 415 
Douvilleia, 485 
Douvilleiceras, 587 
Douvillina, 313 
Dreissensia, 386 
Dreissensiomya, 386 

INDEX 
Echinocardium, 247 
| Echinocaris, 655 
Echinochama, 399 
Echinocidaris, 231 
Echinoconus, 239 
Echinocorys, 243 
Echinocrepis, 248 
Echinocyamus, 235 
Echinocyphus, 232 
Echinocystites, 184, 
Echinodiadema, 229 
Echinodiscus, 237 
Echinoencrinus, 185 
Echinognathus, 676 
| Echinolampas, 241 
| Echinometra, 232 
Echinoneus, 239 
Echinopsis, 231 
Echinospatagus, 245 
Echinosphaerites, 183 
| Echinothuria, 226 
Echinus, 233 
Echioceras, 575 
Ectenocrinus, 152 
Ectenodesma, 367 
Ectocentrites, 573 
Ectolcites, 559 
Edaphoceras, 526 
Edmondia, 362 
Edrioaster, 187 
Egeria, 419 
Egeta, 397 
Ehrenbergina, 29 
Eichwaldia, 312 
Elaeacrinus, 195 
Elasmostoma, 64 
| Elder, 661 
Elea, 271 
Eleutherocrinus, 198 
Eligmus, 374 
Elkania, 306 
Ellipsactinia, 110 
Ellipsocaris, 658 
Ellipsocephalus, 629 
Elpe, 647 
Elymella, 362 
Elymocaris, 656 
Emarginula, 446 
| Embla, 392 
Embolus, 489 
Emileia, 580 
Emmonsia, 99 
Emperoceras, 585 
Empidia, 688 
Enallocrinus, 150 
Enallohelia, 84 
Enantiosphen, 322 
Enclimatoceras, 522 
Encoiloceras, 525 
Encope, 237 
Encrinurus, 634 
Encrinus, 161, 166 

Eoscorpius, 679 
Eosphaeroma, 669 
Eothes, 687 
Eotrochus, 462 
Eozoon, 35 
Epactocrinus, 155 
Ephippioceras, 523 
Ephippium, 384 
Ephippodonta, 411 
Epiaster, 244 
Epieyrta, 332 
Episiphon, 431 
Epithyris, 328 
Erato, 473 
Eremites, 559 
Eremoceras, 530 
Eretmocrinus, 143 
Erettopterus, 678 
Eridophyllum, 77 
Eridopora, 269 
Eridotrypa, 277 
Eriphyla, 395 
Eriptycha, 486 
| Erisocrinus, 162 
Erodona, 422 
Ervilia, 421 
Erycina, 411 
Erycinella, 411 
Eryma, 664 
Erymnoceras, 580 
Eryon, 661 
Eryx, 421 
Eschara, 286 
Escharites, 271 
Escharopora, 279 
Estheria, 640 
Estheriella, 641 
Estonioceras, 526 
| Etallonia, 485, 664 
| Etheria, 378 
| Etheridgia, 61 
Etheridgina, 318 
Ethmophyllum, 92 
Etoblattina, 683 
Eucalathis, 329 
Eucalyptocrinus, 148 
Eucharis, 392 
Euchasma, 362 
Euchilotheca, 490 
Euchirocrinus, 154 
Euchrysalis, 457 
Euciroa, 392 
Eucladia, 203 
Eueladocrinus, 139 
Euconactaeon, 485 
Eucorystes, 666 
Eucratea, 284 
Eucrinus, 145 
Buecyclus, 449 
Eucystis, 183 
Eucythara, 483 
Endea, 63 
Dipilidia, 401, 405 
Diplacomoceras, 585 
Diploceras, 514 
Diplocidaris, 225 
Diploclema, 262 
Diploconus, 598 
Diplocraterion 256 
Diploctenium, 89 
Diplodonta, 410 
Diplograptus, 119 
Diplomoceras, 571 
Diplopodia, 230 
Diplopora, 283 
Diploria, 88 
Diplosirenites, 560 
Diplospirella, 340 
Diplostoma, 64 
Diplostylus, 668 
Diplotheca, 491. 
Diplothecanthus, 236 
Diplotrypa, 275 
Dipoloceras, 589 
Diporula, 288 
Dipsaceus, 476 
Dipterocaris, 658 
Drepanella, 644 
Drepanites, 560 
| Drepanopterus, 676 
Drillia, 482 
Drobna, 661 
Dromiopsis, 665 
Drymotrypa, 283 
Dualina, 362 
Dumortieria, 576 
Duncanella, 74 
Durga, 377 
Dusa, 661 
Dux, 361 
Dybowskiella, 269 
Dysaster, 242 
Dyscolia, 329 
Dystactella, 361 
Eudesella, 316 
Eudesia, 332 
Eudesicrinus, 170 
Eudiocrinus, 174 
Eudiscoceras, 560 
Eudoxochiton, 436 
Eugaster, 203 
Eugeniacrinus, 170 
Eugereon, 686 
Euhelia, 84 
Eulima, 456 
Eulimella, 457 
Eumetria, 338 
Eumicrotis, 371 
Eunella, 328 
Eunema, 449 
Eunicites, 254 
Euomphalus, 446 
Eupachycrinus, 161 
Eupatagus, 247 
Eupera, 398 
Euphemus, 445 
| Euphoberia, 681 
Euphyllites, 567 
Endoceras, 514 
| Endodonta, 498 
Endolobus, 524 
Endothyra, 30 
Engonoceras, 585 
Enichaster, 244 
Ennalaster, 245 
Enoploceras, 525 
Enoplochiton, 436 
Enoplocytia, 664 
Ensis, 419 
Entalina, 432 
| Entalis, 431 
| Enteletes, 319 
| Entodesma, 391 
Entolium, 381 
_ Entomidella, 647 
_ Entomis, 646 
| Entomocaris, 654 
Entomoconchus, 647 
Eodiadema, 230 
Eophrynus, 679 
Eophyton, 121 
| Eopteria, 362 
we 
Eastonia, 420 
Eatonia, 324 
Eburna, 476 
Echinanthus, 236, 240 
Echinaster, 210 
Echinasterella, 210 
Echinobrissus, 239 

