ALPHABETICAL LIST OF GENERA. 



1 133 



Page. 



Echinosphaerites 11 L 1 



Ectenocrinus 1413 



Ectenoptera 1419 



Ectomaria 1421 



Edmondia 1419 



Edrioaster 1412 



Edriospongia 1407 



Eichwaldia 1418 



Elkania 1416 



Elpe 1426 



Emmelezoe 1425 



Emperocrinup 1414 



Encrinurus 1425 



Encuclodema 1417 



Endoceras 1422 



Endodesma 1420 



Endymionia 1425 



Enterolasma 1408 



Entomidella 1426 



Entomis 1426 



Eoharpes 1423 



Eoorthis 1417 



Eopolychastus 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 



Eucheirocrimis 1413 



Euconia 1421 



Eugasterella 1414 



Eugyrichnites 1411 



Eunema 1421 



Eunicites 1410 



Eunoa 1417 



Euomphalopterus 1421 



Euomphalus 1421 



Eurychilina 1425 



Eurydictya 1416 



Eurymya 1420 



Eurymyella 1420 



Eurypterus (subgenera Onychop- 



terus and Pylopterus) 1426 



Euryetomites 1422 



Eusarcus i \-u; 



EuspirocrinuB 1414 



Eulaxocrinus [413 



Faberia 1426 



Favositella 1 1 15 



Favosites 1409 



Fenestella 1416 



Fistulipora 1415 



Fistuliporella 1415 



Fletcheria 1409 



Frammia L425 



Fungispongia 1408 



Fusispira 1421 



Gazacrinus 1412 



Geisonoceras 1422 



Gerasapbes 1424 



Girvanella 1427 



Gissocrinus 1414 



Glaphurus 1424 



Glassia 1418 



Glaucocrinus 1413 



Glauconome 1416 



Glossoceras 1422 



Glossograptus (subgenus Ortho- 



graptus) 1410 



Glycerites 1410 



Glyptocrinus 1412 



GlyptocystiteB 1411 



Glyptograpl us 1410 



Gnorimocrinus L413 



Goldius L424 



Gomphoceras L423 



Gomphocystiles 1411 



Gonioceras L423 



GoniograpUis 1410 



Goniophora 1 120 



Goniophyllum L408 



Goniotrypa L416 



Goniurus L425 



Grammysia L419 



Graptodictya 1416 



Graptospongia 1 -107 



Greenfieldia L419 



Gypidula (subgenus Sieberella). . . 1418 



Gyroceras L422 



Gyronema L421 



Habrocrinus L418 



Balichondrite I W7 



Ilallia L408 



Hallicystls MM 



llallicila H- : » 



Ballopora WW 



Ealloporina 1418 



