Silurian sponges and some associated fossils from the Heceta Limestone, Prince of Wales Island, southeastern Alaska
Journal of Paleontology
By: J.K. Rigby, D.M. Rohr, R. B. Blodgett, and B.B. Britt
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Abstract
A small faunule of hypercalcified agelasiid demosponges has been recovered from outcrops of the Silurian Heceta Formation on Prince of Wales Island in southeastern Alaska. Included are abundant Girtyocoeliana epiporata (Rigby and Potter, 1986), of the Girtyocoeliidae Finks and Rigby, 2004; fragments of Alaskaspongiella laminosa n. gen. and sp., Polyplacospongia nodosa n. gen. and sp., and Monolaminospongia gigantia n. gen. and sp., of the Auriculospongiidae Termier and Termier, 1977, and Cladospongia alaskensis n. gen. and sp., Virgulaspongia uniforma n. gen. and sp., and Stipespongia laminata n. gen. and sp. of the Preperonidellidae Finks and Rigby, 2004. Also included are a few fossils of uncertain taxonomic placement, including Turbospongia biperforata n. gen. and sp., along with a small, chambered, tubular fragment and several porous tubular stems that may be additional poriferans. Some isolated octactine-based heteractinid spicules were also recovered from the etched residues. Copyright ?? 2008, The Paleontological Society.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Silurian sponges and some associated fossils from the Heceta Limestone, Prince of Wales Island, southeastern Alaska |
| Series title | Journal of Paleontology |
| DOI | 10.1666/06-047.1 |
| Volume | 82 |
| Issue | 1 |
| Year Published | 2008 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Paleontology |
| First page | 91 |
| Last page | 101 |
| Google Analytic Metrics | Metrics page |