An unusual Upper Cretaceous (Santonian) hexactinellid sponge from the Great Valley sequence, western Sacramento Valley, northern California

J. K. Rigby, P. Embree, and M. Murphy

1996

Article

Journal of Paleontology 70(5):713-717

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Taxa discussed in this work:

• Hormathospongia
• Hormathospongia dictyota

Taxonomy:

• Hormathospongia belongs to Farreidae - Rigby et al. (1996)
• Hormathospongia dictyota belongs to Hormathospongia - Rigby et al. (1996)