| Edrioaster bigsbyi Edrioasteroid Verulam Formation Brechin, Ontario, Canada See Edriophus levis for explanation of the obvious difference between the two. Size: 4 cm diameter | 
|
| Edrioaster bigsbyi Edrioasteroid Verulam Formation Brechin, Ontario, Canada See Edriophus levis for explanation of the obvious difference between the two. Size: 4 cm diameter |
|