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J. K. Rigby, C. Hannum, and T. J. Frest
Hexactinellid sponges from the Silurian Waldron Shale in southeastern Indiana
Journal of Paleontology (May 1979), 53(3):542-549
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GeoRef, Copyright 2004, American Geological Institute.
Hexactinellida; Hyalospongea; Indiana; Invertebrata; Middle Silurian; morphology; new taxa; paleontology; Paleozoic; Porifera; Shelby County Indiana; Silurian; taxonomy; Twenhofelella; United States; Vaurealispongia; Waldron Quadrangle; Waldron Shale
N39°20'00" -
N39°30'00" and
W85°50'00" -
W85°40'00" (Search for maps and images at Alexandria Digital Library)
Copyright © 1979 by the GeoScienceWorld.
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