| Reference Type | Journal (article/letter/editorial) |
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| Title | Triassic sponges (Sphinctozoa) from Hells Canyon, Oregon |
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| Journal | Journal of Paleontology |
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| Authors | Senowbari-Daryan, Baba | Author |
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| Stanley, George D. | Author |
| Year | 1988 (May) | Volume | 62 |
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| Issue | 3 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0022336000059187Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 414299 | Long-form Identifier | mindat:1:5:414299:1 |
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| GUID | 0 |
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| Full Reference | Senowbari-Daryan, Baba, Stanley, George D. (1988) Triassic sponges (Sphinctozoa) from Hells Canyon, Oregon. Journal of Paleontology, 62 (3) 419-423 doi:10.1017/s0022336000059187 |
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| Plain Text | Senowbari-Daryan, Baba, Stanley, George D. (1988) Triassic sponges (Sphinctozoa) from Hells Canyon, Oregon. Journal of Paleontology, 62 (3) 419-423 doi:10.1017/s0022336000059187 |
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| In | (1988, May) Journal of Paleontology Vol. 62 (3) Cambridge University Press (CUP) |
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| Abstract/Notes | Two Upper Triassic sphinctozoan sponges of the family Sebargasiidae were recovered from silicified residues collected in Hells Canyon, Oregon. These sponges are Amblysiphonella cf. A. steinmanni (Haas), known from the Tethys region, and Colospongia whaleni n. sp., an endemic species. The latter sponge was placed in the superfamily Porata by Seilacher (1962). The presence of well-preserved cribrate plates in this sponge, in addition to pores of the chamber walls, is a unique condition never before reported in any porate sphinctozoans. Aporate counterparts known primarily from the Triassic Alps have similar cribrate plates but lack the pores in the chamber walls. The sponges from Hells Canyon are associated with abundant bivalves and corals of marked Tethyan affinities and come from a displaced terrane known as the Wallowa Terrane. It was a tropical island arc, suspected to have paleogeographic relationships with Wrangellia; however, these sponges have not yet been found in any other Cordilleran terrane. |
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