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| id | Form | Class | Description | pic |
|---|---|---|---|---|
| 520 | IPtg | Anthozoa | Lophophyllidium plummeri | pic |
| 521 | IPtg | Anthozoa | Lophophyllidium spinosum | pic |
| 517 | IPtg | Bivalvia | Phestia attenuata | pic |
| 547 | IPtg | Bivalvia | Nuculopsis anodontoides | pic |
| 548 | IPtg | Bivalvia | Astartella | pic |
| 549 | IPtg | Bivalvia | Palaeoneilo oweni | pic |
| 551 | IPtg | Bivalvia | Unknown Bivalve | pic |
| 779 | IPtg | Bivalvia | Myalina subquadrata | pic |
| 786 | IPtg | Bivalvia | Astartella | pic |
| 530 | IPtg | Brachiopods | Hystriculina texana | pic |
| 540 | IPtg | Brachiopods | Composita subtilita | pic |
| 542 | IPtg | Brachiopods | Linoproductus cora | pic |
| 550 | IPtg | Brachiopods | Cleiothyridina orbicularis | pic |
| 777 | IPtg | Brachiopods | Hustedia mormoni | pic |
| 781 | IPtg | Brachiopods | Orbiculoidea missouriensis | pic |
| 787 | IPtg | Brachiopods | Juresania nebrascensis | pic |
| 790 | IPtg | Brachiopods | Crurithyris planoconvexa | pic |
| 524 | IPtg | Cephalopoda | Pseudorthoceras knoxense | pic |
| 526 | IPtg | Cephalopoda | Tainoceras | pic |
| 527 | IPtg | Cephalopoda | Tainoceras | pic |
| 783 | IPtg | Cephalopoda | Texanoceras jacksboroensis | pic |
| 528 | IPtg | Crinoidea | Primabrachial Arm | pic |
| 529 | IPtg | Crinoidea | Crinoid Sac Spine | pic |
| 778 | IPtg | Echinoidea | Archaeocidaris | pic |
| 536 | IPtg | Microbiolite | Phylloid Algae | pic |
| 537 | IPtg | Microbiolite | Phylloid Algae | pic |
| 518 | IPtg | Paleozoic Gastropods | Worthenia tabulata | pic |
| 519 | IPtg | Paleozoic Gastropods | Straparollus | pic |
| 522 | IPtg | Paleozoic Gastropods | Euphemtes vittatus | pic |
| 613 | IPtg | Paleozoic Gastropods | Trepospira discoidalis | pic |
| 780 | IPtg | Paleozoic Gastropods | Pharkidontus percarinatus | pic |
| 784 | IPtg | Paleozoic Gastropods | Glabrocingulum grayvillensis | pic |
| 785 | IPtg | Paleozoic Gastropods | Phymatopleura nodosus | pic |
| 788 | IPtg | Paleozoic Gastropods | Meekospira | pic |
| 789 | IPtg | Paleozoic Gastropods | Strobeus | pic |
| 782 | IPtg | Porifera | Wewokella contorta | pic |
| 525 | IPtg | Problematica | Conularid | pic |
| 523 | IPtg | Stenolaemata | Tabulipora | pic |
| 531 | IPtg | Stenolaemata | Rhombopora | pic |
| 535 | IPtg | Stenolaemata | Polypora | pic |
| 795 | IPtg | Trace | Crinoid with bore holes | pic |
| 538 | IPtg | rock | Jacksboro Finnis Contact | pic |
| 539 | IPtg | rock | Finnis Shale | pic |
