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Arthroclema Billings, 1862

Source

Rank

genus

Names

1

species:4857351

Geol. Surv. Canada palaeoz. Foss. , 1, 54.

Classification

Ptilodictyidae Zittel, 1880
- Arthroclema Billings, 1862
  - Arthroclema brevis
  - Arthroclema pentagonalis