An new encrinasterid ophiuroid from the Conemaugh Group (Pennsylvanian) of Western Pennsylvania, and revision of the Encrinasteridae

J. A. Harper, and R. W. Morris

1978

Article

Journal of Paleontology 52(1):155-163

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Taxa discussed in this work:

• Armathyraster
• Armathyraster paradoxis
• Armathyrasterinae
• Encrinasterinae

Taxonomy:

• Armathyrasterinae belongs to Encrinasteridae - Harper and Morris (1978)
• Armathyraster belongs to Armathyrasterinae - Harper and Morris (1978)
• Armathyraster paradoxis belongs to Armathyraster - Harper and Morris (1978)
• Encrinasterinae belongs to Encrinasteridae - Harper and Morris (1978)
• Crepidosoma belongs to Encrinasterinae - Harper and Morris (1978)