First Oligocene Records of Calyptogena (Bivalvia: Vesicomyidae)

J. L. Goedert, and R. L. Squires

1993

Article

The Veliger 36(1):72-77

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Taxa discussed in this work:

• Calyptogena (Calyptogena)
• Calyptogena (Calyptogena) chinookensis
• Modiolus willapaensis

Taxonomy:

• Calyptogena (Calyptogena) belongs to Vesicomya (Calyptogena) - Bernard (1974)
• Modiolus willapaensis belongs to Modiolus - Squires and Goedert (1991)
• Calyptogena (Calyptogena) chinookensis belongs to Calyptogena (Calyptogena) - Squires and Goedert (1991)