Photo Gallery
A sketch by Mary Williams of a Silurian ambonychiids bivalve based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Poleumita gastropod based on specimens in our collections.
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© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Cyclonema gastropod based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Eumaphalus gastropod based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian non-calcified dasycladales algae based on specimens of Chaetocladus and Medusaegraptus and other closely related species and on a specimen in paleobotany.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Stromatoporoids s based onSilurian fossils from Chicago area and the Devonian of Iowa.
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© The Field Museum - CC BY-NC
A sketch by Mary Williams of Tabulate Corals Heliolites and favositid corals based on fossils from Thornton Quarry.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Tabulate Corals Helolites based on fossils from Thornton Quarry. Note soft bodied Silurian corals from the artic of Canada have 12 arms.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Tabulate Corals Helolites based on fossils from Thornton Quarry.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Colonial Rugose Coral head based on fossils from Thornton Quarry.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Pisocrinus crinoid based on specimens in our collections. Note attached brachiopods and larger crinoids.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Pisocrinus crinoid based on specimens in our collections. Note attached brachiopods and larger crinoids.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Pisocrinus crinoid based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Callicrinus crinoid based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Eucalyptoncrinites crassus crinoid based on specimens in our collections. note attached rhynchoellid brachiopods.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Calymene celebra trilobite based on specimens on specimens in Fossil Invertebrate collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Busmatus trilobite based on specimens of Bumastus chicagoensis and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Kirkidium knightii pentamerid brachiopod based on specimens of Kirkidium knightii and other closely related species from the Chicago area. Note please ignore bottom section with pile of brachiopods and cephaloipods
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Silurian Pentamerus sp. brachiopods based on specimens from our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Silurian Janius noblis brachiopods based on specimens from our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Silurian Eospirifer brachiopods based on specimens from our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Howellella and Atrypa brachiopods based on specimens from our collections.
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© The Field Museum - CC BY-NC
A sketch by Mary Williams of Silurian Stegerhynchus brachiopods based on specimens from our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of fenestral bryozoans. Based on Fossil in the Silurian reef fossils of the Chicago area in the Field Museum.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Cyclonema gastropod based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Orthoconic nautiloid cephalopod, Orthoceras and a Bumastus trilobite based on specimens from the Chicago area in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of Silurian nautiloid cephalopodx based on specimens from the Chicago area in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Dawsonoceras cephalopod based on specimens of Dawsonoceas annulata and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a Silurian Dawsonoceras cephalopods based on specimens of Dawsonoceas annulata and other closely related species from the Chicago area. Note color patterns.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
A sketch by Mary Williams of a SilurianOrthoconic nautiloid cephalopod based on specimens from the Chicago area in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Eucalyptocrinites crinoid with holdfast and stem based on specimens of Eucalyptocrinites and other closely related species from the Chicago area and Waldron, Indiana.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Dawsonoceras cephalopod based on specimens of Dawsonoceas annulata and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Eucalyptocrinites crinoid with a platyceras gastropod based on specimens of Eucalyptocrinites and other closely related species from the Chicago area and Waldron Indiana.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Eucalyptocrinites crinoid with holdfast and stem based on specimens of Eucalyptocrinites and other closely related species from the Chicago area and Waldron, Indiana.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Eucalyptocrinites crinoid based on specimens of Eucalyptocrinites and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Illustration by Mary Williams of a Colonial Rugose Coral head based on fossils from Thornton Quarry.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Mary William of a Silurian reef Fenestral bryozoan. The illustration is a digital image based on specimens in our collection. Lophophores are extended.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Mary William of a Silurian reef Fenestral bryozoan. The illustration is a digital image based on specimens in our collection. Lophophore is retracted.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Stegerhyncus brachiopod based on specimens of Stegerhyncus and other closely related species from the Chicago area and Waldron, Indiana.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian Busmatus trilobite based on specimens of Bumastus chicagoensis and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Mary Williams of a Silurian cyclonema gastropod based on several specimens from theSilurian reef fossils of the Chicago area collection .
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Sketch of Silurian reef background with Kionoceras, Siphonocrinus nobilis other crinoids, trilobites, and tabulate corals for IMLS Silurian reef website.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Sketch of Silurian reef background sketch with crinoids and tabulate corals for IMLS Silurian reef website.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Sketch of SilurianAmphicyrtoceras cephalopods for IMLS Silurian reef website.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Walker Weyland of Calymene celebra trilobite based on specimens in our collections. Common Silurian reef dweller from the Chicago - Milwaukee area. State fossil of Wisconsin. The illustration is a digital image based on specimens in our collection and in the book by Levi-Setti.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Tyler Ray Fewell of a Silurian Siphonocrinus nobilis crinoid based on specimens of Siphonocrinus nobiliusand other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Tyler Ray Fewell of a Silurian Poleumita discorus gastropod based on specimens of Poleumita discorus and other closely related species from the Chicago area and Much Wenlock England.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Tyler Ray Fewell of a Silurian Amphicyrtoceras cephalopod based on specimens of Amphicyrtoceras and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
An Illustration by Tyler Ray Fewell of a Silurian Kionoceras cephalopod based on specimens of Kionoceras and other closely related species from the Chicago area.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a cephalopod based on Graftonoceras from Chicago and Wisconsin. Common Silurian reef community cephalopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Cystoidea Rhombifera, Caryocrinites ornatus, which is a common Silurian reef dweller and baffler from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection and in the Silurian reef diorama. Small encrusting favositid tabulate coral on stem.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a crinoid, Siphoncrinus sp, which is a common Silurian reef dweller and baffler from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection and in the Silurian reef diorama.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a dalmaniitid trilobite based on Dalmanites verrucosus and other dalmanitids species from New York and Chicago. Common Silurian reef dweller from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection and in the book by Levi-Setti.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a trilobite based on Sphaerexochus romingeri from Chicago and Wisconsin. Common Silurian level bottom community trilobite from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Rugose coral based on Zaphrentis sp and other rugose corals from Chicago. Common Silurian reef dweller and builder from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a honeycomb tabulate coral based on favositid corals from Chicago. Common Silurian reef dweller and builder from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Stromatoporoid based on specimens from the Silurian of Chicago and the Devonian of Iowa. Common Silurian reef dweller and builder from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collection.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Pentamerid brachiopod based on Pentamerus sp. from Chicago and Wisconsin. Common Silurian level bottom community brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Silurian reef brachiopod, Apopentamerus racinensis. this is the species that shouldbe in the Silurian reef diorama instead of the trilobate pentamerous that is mistakenly displaed. The illustration is a water color based on specimens inour collection and photos in the original description by Boucot and Johnson and by James Hall. Color pattern based on a Devonian terebratulid brachiopod.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Silurian reef brachiopod, Kirkidium knightii. This is the species that makes the brachiopod packstones in Thornton quarry. The illustration is a water color based on specimens in our collection. Lophophore is visible based on modern brachiopods.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a pentamerid brachiopod based on specimens from Chicago and Indiana. Common Silurian reef brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Atrypa brachiopod based on specimens from Chicago and Indiana. Common Silurian reef brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Spiriferid brachiopod based on Janius nobilis from Chicago and Wisconsin. Common Silurian level bottom community brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Spiriferid brachiopod based on Howellella sp. from Chicago and Wisconsin. Common Silurian level bottom community brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of Eospirifer radiatus brachiopod based on specimens from Chicago and Indiana Waldron Shale. Common Silurian reef brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a brachiopod based on Dictyonella reticulata from Chicago and Wisconsin. Common Silurian level bottom community brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Strophomenid brachiopod based on Dolerorthis sp. from Chicago and Wisconsin. Common Silurian level bottom community brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Coolina brachiopod based onspecimens from Chicago and Indiana. Common Silurian reef brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Scientific illustration by Monica Jurik of a Leptaena brachiopod based onspecimens from Chicago and Indiana. Common Silurian reef brachiopod from the Chicago - Milwaukee area. The illustration is a water color based on specimens in our collections.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Closeup of cephalopods in Milwaukee Public Museum's Silurian reef diorama
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© The Field Museum - CC BY-NC
Closeup of cephalopod, crinoids, and other organisms in Milwaukee Public Museum's Silurian reef diorama
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
Closeup of cephalopods in the Silurian reef diorama at the Milwaukee Public Museum.
© The Field Museum - CC BY-NC
© The Field Museum - CC BY-NC
