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• EMSIAN (LATE EARLY DEVONIAN) SPONGES FROM WEST-CENTRAL AND SOUTH-CENTRAL ALASKA 

  INTRODUCTION RELATIVELY COMMON specimens of the hypercalcified agelasiid sponge Hormospongia labyrinthica Rigby and Blodgett, 1983 and specimens...

  Journal of Paleontology, 03/01/09 by Rigby, J Keith; Blodgett, Robert B; Anderson, Nicolle K · More from publication

• PENNSYLVANIAN SPONGES FROM THE GRAFORD FORMATION, WISE COUNTY, TEXAS 

  ABSTRACT- A variety of Pennsylvanian sponges have been recovered from exposures along the shore of Lake Bridgeport and in nearby areas in Wise...

  Journal of Paleontology, 05/01/08 by Rigby, J Keith; McKinzie, Mark G; Britt, Brooks B · More from publication

• SILURIAN SPONGES AND SOME ASSOCIATED FOSSILS FROM THE HECETA LIMESTONE, PRINCE OF WALES ISLAND, SOUTHEASTERN ALASKA 

  ABSTRACT- A small faunule of hypercalcified agelasiid demosponges has been recovered from outcrops of the Silurian Heceta Formation on Prince of...

  Journal of Paleontology, 01/01/08 by Rigby, J Keith; Rohr, David M; Blodgett, Robert B; Britt, Brooks B · More from publication

• FIRST HEXACTINELLID SPONGE REPORTED FROM THE UPPER TRIASSIC NAYBAND FORMATION OF CENTRAL IRAN 

  INTRODUCTION SPONGES, ALONG with scleractinian corals, are among the main reef-building organisms in Triassic reefs. Hypercalcified groups,...

  Journal of Paleontology, 11/01/07 by Rigby, J Keith; Senowbari-Daryan, B · More from publication

• HEXACTINELLID AND ASSOCIATED SPONGES FROM THE UPPER REEF TRAIL MEMBER OF THE BELL CANYON FORMATION, SOUTHERN GUADALUPE MOUNTAINS NATIONAL PARK, TEXAS 

  ABSTRACT- A small faunule of silicified hexactinellid sponges and root tufts has been recovered from the upper Guadalupian Reef Trail Member of...

  Journal of Paleontology, 11/01/07 by Rigby, J Keith; Bell, Gorden L Jr; Thompson, Kirsten · More from publication

• A NEW, LARGE, LATE PLEISTOCENE DEMOSPONGE FROM SOUTHEASTERN FLORIDA 

  INTRODUCTION SPECTACULAR EXPOSURES of large, upright, vase- to barrelshaped, late Pleistocene sponges are dramatically exposed as part of the...

  Journal of Paleontology, 07/01/07 by Rigby, J Keith; Cunningham, Kevin J · More from publication

• SPONGES FROM THE REEF TRAIL MEMBER OF THE UPPER GUADALUPIAN (PERMIAN) BELL CANYON FORMATION, GUADALUPE MOUNTAINS NATIONAL PARK, TEXAS 

  ABSTRACT- An extensive faunule of silicified calcareous sponges has been recovered from the Upper Guadalupian Reef Trail Member of the Bell Canyon...

  Journal of Paleontology, 09/01/06 by Rigby, J Keith; Bell, Gorden L Jr · More from publication

• A NEW ORDOVICIAN CHIASTOCLONELLID SPONGE FROM INNER MONGOLIA, CHINA 

  INTRODUCTION LOWER PALEOZOIC facies relationships, fossils, and depositional systems of the Northwest Ordos Basin, northern China, are sparsely...

  Journal of Paleontology, 07/01/06 by Rigby, J Keith; Kessel, Benjamin J; Ritts, Bradley D; Friedman, Scott J · More from publication

• ORDOVICIAN "SPHINCTOZOAN" SPONGES FROM PRINCE OF WALES ISLAND, SOUTHEASTERN ALASKA 

  ABSTRACT- A faunule of silicified hypercalcified "sphinctozoan" sponges has been recovered from a clast of Upper Ordovician limestone out of the...

  Journal of Paleontology, 09/01/05 by Rigby, J Keith; Karl, Susan M; Blodgett, Robert B; Baichtal, James F · More from publication

• A NEW HEXACTINELLID SPONGE FROM THE REEF TRAIL MEMBER OF THE UPPER GUADALUPIAN BELL CANYON FORMATION, GUADALUPE MOUNTAINS NATIONAL PARK, TEXAS 

  INTRODUCTION SPONGES FROM Permian beds in West Texas have been known from the early pioneer publication on the Guadalupian fauna by Girty (1908)...

  Journal of Paleontology, 01/01/05 by Rigby, J Keith; Bell, Gorden L · More from publication