Sea Urchins Like Hardouinia mortonis

Deinonychus antirrhopus (YPM 5205)

Fossil

9.05 Excellent

Triceratops horridus (USNM 1201)

Fossil

9.00 Excellent

Parasaurolophus walkeri

Fossil

8.80 Great

Ankylosaurus magniventris

Fossil

8.70 Great

Pteranodon longiceps

Fossil

8.65 Great

Micraster coranguinum

Sea Urchin

8.51 Great

Ichthyornis dispar

Fossil

8.35 Great

Hesperornis regalis

Fossil

8.20 Great

Acrocanthosaurus atokensis

Fossil

8.20 Great

Archelon ischyros (YPM 3000)

Fossil

8.20 Great

Micraster cortestudinarium

Sea Urchin

8.18 Great

Elasmosaurus platyurus

Fossil

8.05 Great

Deinosuchus riograndensis

Fossil

8.05 Great

Pachycephalosaurus wyomingensis

Fossil

8.05 Great

Echinocorys scutata

Sea Urchin

8.04 Great

Nucleolites scutatus

Sea Urchin

7.89 Good

Conulus albogalerus

Sea Urchin

7.44 Good

Holaster subglobosus

Sea Urchin

7.38 Good

Micraster leskei

Sea Urchin

7.37 Good

Tylocidaris clavigera

Sea Urchin

7.32 Good

Galerites albogalerus

Sea Urchin

7.26 Good

Discoides subuculus

Sea Urchin

7.21 Good

Toxaster retusus

Sea Urchin

7.09 Good

Baculites compressus

Fossil

6.95 Fair