ALPHABETICAL LIST OF GENERA. 



1433 



Page. 



Echinosphaerites 1411 



Ectenocrinus 1413 



Ectenoptera 1419 



Ectomaria 1421 



Edmondia 1419 



Edrioaster 1412 



Edriospongia 1407 



Eichwaldk 1418 



Elkania 1416 



Elpe 1426 



Emmelezoe 1425 



Emperocrinus 1414 



Encrinurus 1425 



Encuclodema 1417 



Endoceras 1422 



Endodesma 1420 



Endymionia 1425 



Enterolasma 1408 



Entomidella 1426 



Entomis 1426 



'Eoharpes 1423 



Eoorthis 1417 



Eopolychsetus 1410 



Eopteria 1425 



Eospirifer 1419 



Eospongia 1407 



Eotomaria 1421 



Eotrophonia 1410 



Eremoceras 1423 



Eridonychia 1419 



Eridophyllum 1408 



Eridorthis 1417 



Eridotrypa 1416 



Eriptychius 1426 



Escharopora 1416 



Eucalyptocrinus 1413 



Euchasma 1425 



Eucheirocrinus 1413 



Euconia 1421 



Eugasterella 1414 



Eugyrichnites 1411 



Eunema 1421 



Eunicitee 1410 



Eunoa 1417 



Euomphalopterus 1421 



Euomphalus 1421 



Eurychilina 1425 



Eurydictya 1416 



Eurymya 1420 



Eurymyella 1420 



Euryptenis (subgenera Onychop- 



terus and Pylopterus) 1426 



Eurystomites 1422 



Page. 



Eusarcus 1426 



Euspirocrinus 1414 



Eutaxocrinus 1413 



Faberia 1426 



Favositella 1415 



Favosites .*. 1409 



Fenestella 1416 



Fistulipora 1415 



Fistuliporella 1415 



Fletcheria 1409 



Frammia 1425 



Fungispongia 1408 



Fusispira 1421 



Gazacrinus 1412 



Geisonoceras 1422 



Gerasaphes 1424 



Girvanella 1427 



Gissocrinus 1414 



Glaphurus 1424 



Glassia 1418 



Glaucocrinus 1413 



Glauconome 1416 



Glossoceras 1422 



Glossograptus (subgen.ua Ortho- 



graptus) 1410 



Glycerites 1410 



Glyptocrinus 1412 



Glyptocystites 1411 



Glyptograptus 1410 



Gnorimocrinus. . . . '. 1413 



Goldius 1424 



Gomphoceras 1423 



Gomphocystites 1411 



Gonioceras 1423 



Goniograptus 1410 



Goniophora 1420 



Goniophyllum 1408 



Goniotrypa 1416 



Goniiirus 1425 



Grammysia 1419 



Graptodictya 1416 



Graptospongia 1407 



Greenfieldia 1419 



Gypidula (subgemis Sieberella). . . 1418 



Gyroceras 1422 



Gyronema 1421 



Habrocrinus 1413 



Halichondrites 1407 



Hallia 1408 



Hallicystts 1411 



Halliella 1425 



Hallopora 1416 



Halloporina 1416 



