Lower vertebrates from the Valentine Formation of Nebraska

R. Estes, and J. A. Tihen

1964

Article

American Midland Naturalist 72(2):453-472

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Taxa discussed in this work:

• Bufo hibbardi
• Bufo valentinensis
• Ictaluridae
• Ictalurus
• Scaphiopus (Scaphiopus) wardorum
• Siluroidea

Taxonomy:

• Siluroidea belongs to Ostariophysi - Estes and Tihen (1964)
• Ictalurus belongs to Ictaluridae - Estes and Tihen (1964)
• Lepomis belongs to Centrarchidae - Estes and Tihen (1964)
• Scaphiopus (Scaphiopus) wardorum belongs to Scaphiopus (Scaphiopus) - Estes and Tihen (1964)
• Scaphiopus (Spea) alexanderi belongs to Spea - Estes and Tihen (1964)
• Bufo hibbardi belongs to Bufo - Estes and Tihen (1964)
• Bufo valentinensis belongs to Bufo - Estes and Tihen (1964)