Ordovician sphinctozoan sponges of Alaska and Yukon Territory

J. K. Rigby, A. W. Potter, and R. B. Blodgett

1988

Article

Journal of Paleontology 62(5):731-746

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Taxa discussed in this work:

• Alaskaspongia nana
• Angullongia minuta
• Corymbospongia betella
• Cystothalamiella ducta
• Cystothalamiella polyducta
• Imperatoria media
• Pseudoporefieldia micella
• Sphinctozoa

Taxonomy:

• Corymbospongia betella belongs to Corymbospongia - Rigby et al. (1988)
• Angullongiidae belongs to Porata - Rigby et al. (1988)
• Angullongia belongs to Angullongiidae - Rigby et al. (1988)
• Angullongia minuta belongs to Angullongia - Rigby et al. (1988)
• Alaskaspongia belongs to Porata - Rigby et al. (1988)
• Alaskaspongia nana belongs to Alaskaspongia - Rigby et al. (1988)
• Pseudoporefieldia belongs to Porata - Rigby et al. (1988)
• Pseudoporefieldia micella belongs to Pseudoporefieldia - Rigby et al. (1988)
• Cystothalamiella polyducta belongs to Cystothalamiella - Rigby et al. (1988)