Thoracoceras
Thoracoceras is an extinct orthocerid genus from the family Kionoceratidae characterized by orthoconic shells marked by prominent longitudinal rounded grooves separated by angular ridges, each which has a single row of blunt spines along its apex, and having a small submarginal siphuncle. Thoracoceras, named by Fischer De Waldheim in 1844, is found in Carboniferous and Lower Permian sediments in the U.S., Europe, and Russia. It is closely related to Kionoceras, Ohioceras, and Polygrammoceras
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Thoracoceras
Thoracoceras is an extinct orthocerid genus from the family Kionoceratidae characterized by orthoconic shells marked by prominent longitudinal rounded grooves separated by angular ridges, each which has a single row of blunt spines along its apex, and having a small submarginal siphuncle. Thoracoceras, named by Fischer De Waldheim in 1844, is found in Carboniferous and Lower Permian sediments in the U.S., Europe, and Russia. It is closely related to Kionoceras, Ohioceras, and Polygrammoceras
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Thoracoceras is an extinct ort ...... Ohioceras, and Polygrammoceras
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24,011,297
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713,080,646
fossil range
Carboniferous - L Permian
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Thoracoceras is an extinct ort ...... Ohioceras, and Polygrammoceras
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Thoracoceras
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Thoracoceras
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