New Triassic sphenodontids from south-west England and a review of their classification

N. C. Fraser

1986

Article

Palaeontology 29:165-186

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Taxa discussed in this work:

• Pelecymala
• Pelecymala robustus
• Sigmala
• Sigmala sigmala

Taxonomy:

• Sigmala sigmala belongs to Sigmala - Fraser (1986)
• Sigmala belongs to Sphenodontidae - Fraser (1986)
• Pelecymala robustus belongs to Pelecymala - Fraser (1986)
• Pelecymala belongs to Sphenodontidae - Fraser (1986)