Isotelus
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Isotelus is an extinct genus of large asaphid trilobites from the Middle and Late Ordovician period, fairly common in the northeastern United States into eastern Canada. Isotelus is the state fossil o
Isotelus rex , Royal Tyrrell Museum, Drumheller, Alberta, 2025 07 13
Isotelus Solo Reconstruction
Specimen of Isotelus maximus preserving the legs and portions of the gills, as described by Walcott. The specimen does not preserve the test, and an illustration of the dorsal shell is presented with the Ohio specimen underneath it.
Enrolled specimen of Isotelus maximus
Sinnipee Group
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The Sinnipee Group is geological group in Southern and Eastern Wisconsin. It consists primarily of sedimentary carbonate rocks. Primarily made of dolomite, it also has limestone as a secondary compone
The Illaenid trilobite Thaleops found in the Sinnipee Group in Dane County
The strophomenid brachiopod Strophomena from the Sinnipee Group in Dane County
The imprint of the nautiloid Trocholites from the Sinnipee Group in Dane County
An unidentified orthid brachiopod from the Sinnipee Group in Dane County