FIRST OCCURRENCE OF AN IN SITU ANTHASPIDELLID SPONGE IN A DENDROLITE MOUND (UPPER CAMBRIAN; GREAT BASIN, USA)

Small silicified anthaspidellid sponges identified as Gallatinospongia conica Okulitch and Bell, 1955 are described for the first time from the Upper Cambrian of the Great Basin where the sponges are found in situ within dendrolitic microbial reefs. This association forms the oldest anthaspidellid-m...

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Veröffentlicht in:	Journal of paleontology 2004-07, Vol.78 (4), p.645-650
Hauptverfasser:	SHAPIRO, RUSSELL S, KEITH RIGBY, J
Format:	Artikel
Sprache:	eng
Schlagworte:	Anthaspidellidae Basin and Range Province Bonanza King Formation California Cambrian Canals Carbonates Coral reefs Delamar Mountains Demospongea Early Ordovician epoch first occurrence Gallatinospongia conica Geology Great Basin Invertebrata invertebrate Inyo County California Laurentia Lincoln County Nevada lithostratigraphy Marine Mohawk Hill California morphology mounds Mountain ranges Nevada Nopah Range North America Paleontology Paleozoic Porifera Reefs San Bernardino County California Shales Skeleton Sponge divers Sponges United States Upper Cambrian Weathering processes
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Beschreibung
Zusammenfassung:	Small silicified anthaspidellid sponges identified as Gallatinospongia conica Okulitch and Bell, 1955 are described for the first time from the Upper Cambrian of the Great Basin where the sponges are found in situ within dendrolitic microbial reefs. This association forms the oldest anthaspidellid-microbial reefs of Laurentia.
ISSN:	0022-3360 1937-2337
DOI:	10.1666/0022-3360(2004)078<0645:FOOAIS>2.0.CO;2