Maquoketa Fauna
|  | Family | Subfamily | Genus | Species | 
| 1 | Asaphidae | Isotelinae | Isotelus | gigas | 
| 2 | Asaphidae | Isotelinae | Isotelus | iowensis | 
| 3 | Asaphidae | Isotelinae | Anataphrus | vigilans | 
| 4 | Asaphidae | Isotelinae | Ectenaspis | beckeri | 
| 5 | Asaphidae | Isotelinae | Ectenaspis | sp. | 
| 6 | Asaphidae | Isotelinae | Nahania | susae | 
| 7 | Asaphidae | Brachyaspis | alacer | |
| 8 | Calymenidae | Flexicalymene | fayettensis | |
| 9 | Calymenidae | Flexicalymene | gracilis | |
| 10 | Calymenidae | Flexicalymene | aff. meeki | |
| 11 | Calymenidae | Gravicalymene | quadricapita | |
| 12 | Calymenidae | Diacalymene | mammilata | |
| 13 | Cheiruridae | Acanthoparyphinae | Acanthoparypha | n. sp. | 
| 14 | Cheiruridae | Cheirurinae | Bufoceraurus? | n. sp. | 
| 15 | Cheiruridae | Cheirurinae | Ceraurus | milleranus | 
| 16 | Cheiruridae | Cheirurinae | Gabriceraurus | elginensis | 
| 17 | Cheiruridae | Cheirurinae | Ceraurinus | icarus | 
| 18 | Cheiruridae | Deiphoninae | Sphaerocoryphe | maquoketensis | 
| 19 | Encrinuridae | Encrinurinae | Encrinuroides | pernodosus | 
| 20 | Encrinuridae | Encrinurinae | Encrinuroides | cf. vigilans | 
| 21 | Encrinuridae | Cybelinae | Cybeloides | iowensis | 
| 22 | Lichidae | Tetralichinae | Amphilichas | clermontensis | 
| 23 | Lichidae | Tetralichinae | Amphilichas | bicornis | 
| 24 | Lichidae | Tetralichinae | Amphilichas | rhinoceros | 
| 25 | Proetidae | Cyphaspis | slocumi | |
| 26 | Pterygometopidae | Pterygometopinae | Achetella | fredricki | 
| 27 | Pterygometopidae | Eomonorachinae | Calyptaulax | larrabeei | 
| 28 | Raphiophoridae | Ampyxina | bellatula | |
| 29 | Remopleurididae | Hypodicranotus | aff. striatulus | |
| 30 | Styginidae | Eobrontus | aff. lunatus | |
| 31 | Illaenidae | Bumastinae | Bumastoides | beckeri |