J. K. Rigby, C. Hannum, T. J. Frest; Hexactinellid sponges from the Silurian Waldron Shale in southeastern Indiana. Journal of Paleontology ; 53 (3): 542–549. doi:
Download citation file:
Sign In or Create an Account
This PDF is available to Subscribers Only
For full access to this pdf, sign in to an existing account, or purchase an annual subscription.