| sea urchin & spines, Talkeetnas |
| sea urchin, Brooks Range |
| starfish trace, Brooks Range |
| starfish, Talkeetnas |
| starfish, Brooks Range |
| crinoid calyx, Brooks Range |
| articulated crinoid, Brooks Range |
| crinoid calyx, Brooks Range |
| crinoid holdfast?, Brooks Range |
| blastoid, Brooks Range |
| crinoid plates??, Brooks Range |
| blastoid, Brooks Range |
| blastoid, Brooks Range |
| blastoid, Brooks Range |
| blastoid, Brooks Range |
| blastoid, Brooks Range |
| blastoid, Brooks Range |