Chicagooceras
Chicagooceras is an orthocerid genus from the Silurian of North America. Shells are short, breviconic, and faintly curved. Sutures are fairly wide spaced and though straight, slope slightly, dorso-ventrally, to the rear. Siphuncle: small, slightly ventral of the center, thought to be orthochoanitic (straight septal necks) and cylindrical (tubular connecting rings).
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Chicagooceras
Chicagooceras is an orthocerid genus from the Silurian of North America. Shells are short, breviconic, and faintly curved. Sutures are fairly wide spaced and though straight, slope slightly, dorso-ventrally, to the rear. Siphuncle: small, slightly ventral of the center, thought to be orthochoanitic (straight septal necks) and cylindrical (tubular connecting rings).
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Chicagooceras is an orthocerid ...... al (tubular connecting rings).
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48,071,198
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684,335,956
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Foerste and Savage 1927
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Chicagooceras is an orthocerid ...... al (tubular connecting rings).
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Chicagooceras
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Chicagooceras
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