A new species of Helagras (Serpentes) from the Middle Oligocene of Nebraska.

J. A. Holman

1983

Article

Journal of Herpetology 17:417-419

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Taxa discussed in this work:

• Helagras orellanensis

Taxonomy:

• Helagras orellanensis belongs to Helagras - Holman (1983)
• Helagras belongs to Henophidia - Holman (1983)