Photo Gallery
![](https://fm-digital-assets.fieldmuseum.org/742/173/WGS_p27f14.jpg)
Silurian Reef Fossil illustration, Plate 27, Fig. 14, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/172/WGS_p27f13.jpg)
Silurian Reef Fossil illustration, Plate 27, Fig. 13, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/171/WGS_p27f12.jpg)
Silurian Reef Fossil illustration, Plate 27, Fig. 12, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/140/WGS_p22f03.jpg)
Silurian Reef Fossil illustration, Plate 22, Fig. 03, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/139/WGS_p22f02.jpg)
Silurian Reef Fossil illustration, Plate 22, Fig. 02, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/138/WGS_p22f01.jpg)
Silurian Reef Fossil illustration, Plate 22, Fig. 01, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/137/WGS_p21f12.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 12, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/136/WGS_p21f11.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 11, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/135/WGS_p21f10.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 10, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/134/WGS_p21f09.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 09, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/133/WGS_p21f08.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 08, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/132/WGS_p21f07.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 07, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/131/WGS_p21f06.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 06, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/130/WGS_p21f05.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 05, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/129/WGS_p21f04.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 04, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/128/WGS_p21f03.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 03, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/127/WGS_p21f02.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 02, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/126/WGS_p21f01.jpg)
Silurian Reef Fossil illustration, Plate 21, Fig. 01, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/125/WGS_p20f12.jpg)
Silurian Reef Fossil illustration, Plate 20, Fig. 12, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/124/WGS_p20f11.jpg)
Silurian Reef Fossil illustration, Plate 20, Fig. 11, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/123/WGS_p20f10.jpg)
Silurian Reef Fossil illustration, Plate 20, Fig. 10, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/742/122/WGS_p20f09.jpg)
Silurian Reef Fossil illustration, Plate 20, Fig. 09, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/741/993/WGS_p10f14.jpg)
Silurian Reef Fossil illustration, Plate 10, Fig. 14, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/741/992/WGS_p10f13.jpg)
Silurian Reef Fossil illustration, Plate 10, Fig. 13, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/741/991/WGS_p10f12.jpg)
Silurian Reef Fossil illustration, Plate 10, Fig. 12, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/741/988/WGS_p10f09.jpg)
Silurian Reef Fossil illustration, Plate 10, Fig. 09, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
![](https://fm-digital-assets.fieldmuseum.org/741/990/WGS_p10f11.jpg)
Silurian Reef Fossil illustration, Plate 10, Fig. 11, Wisconsin Geology Survey
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC