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2ede9acc8a691d0cf426206e8f2790c3

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Perissograptus Williams & Stevens, 1988

Source

Rank

genus

Names

1

species:4863010

Palaeontogr Can No. 5: 88.

Classification

Sigmagraptidae
- Perissograptus Williams & Stevens, 1988
  - Perissograptus pygmaeus (Ruedemann, 1935)