Sunnyside sponge mounds, Egan Range: Arenigian, Nevada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Anthaspidellidae
Calycocoelia murella n. sp. Johns 1994
Patellispongia oculata Bassler 1927
Patellispongia brosiusae n. sp. Johns 1994
Colinispongia regularis n. sp. Johns 1994
Archaeoscyphia eganensis n. sp. Johns 1994
Archaeoscyphia bassleri n. sp. Johns 1994
Archaeoscyphia rossi n. sp. Johns 1994
Archaeoscyphia pannosa n. sp. Johns 1994
Egania typicalis n. gen., n. sp. Johns 1994
Rugocoelia eganensis n. gen., n. sp. Johns 1994
Demospongiae - Streptosolenidae
Streptosolen mccafferyi n. sp. Johns 1994
Lissocoelia cylindrica n. sp. Johns 1994
see common names

Geography
Country:United States State/province:Nevada
Coordinates: 38.4° North, 115.0° West (view map)
Paleocoordinates:6.6° South, 83.0° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Ordovician
10 m.y. bin: Ordovician 2
Key time interval: Arenigian
Age range of interval: 477.7 - 468 m.y. ago
Stratigraphy
Geological group:Pogonip Formation:Shingle Limestone
Stratigraphic resolution:group of beds
Stratigraphy comments: probably trilobite zone J (uppermost Ibexian) or brachiopod zone L (Orthidiella) of Lower Whiterockian age
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: abundant sponge/algal reef mounds, 2 to 7 m across and 1 to 4 m high
Environment:intrashelf/intraplatform reef
Geology comments: margin of an intra-shelf basin in only 10 to 20 m of water
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Reef 2367
Database number:119436
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2011-10-26 00:22:55 Last modified:2011-10-25 08:22:55
Access level:authorizer only Released:2012-10-26 00:22:55
Creative Commons license:CC BY
Reference information

Primary reference:
38316. R. A. Johns. 1994. Ordovician lithistid sponges of the Great Basin. Nevada Bureau of Mines and Geology Open-File Report 94(1):1-156 [W. Kiessling/U. Merkel]