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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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Morocco
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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-
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-
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Antelope Valley (2)
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Asia
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Far East
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China
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Guizhou China (1)
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Yangtze Platform (1)
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Lesser Sunda Islands
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Timor (1)
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-
-
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Bear River Range (1)
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Canada
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Western Canada
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British Columbia (1)
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-
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Copper Mountain (1)
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Franklin Mountains (1)
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Long Valley (1)
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Malay Archipelago
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Timor (1)
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North America
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Basin and Range Province
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Great Basin (2)
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Rocky Mountains (1)
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South America
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Bolivia (1)
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United States
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California (1)
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Great Basin (2)
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Idaho
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Franklin County Idaho (1)
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Indiana (1)
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Midcontinent (1)
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Montana (1)
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Nevada
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Clark County Nevada (1)
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Eureka County Nevada
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Eureka Nevada (1)
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Nye County Nevada (1)
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Toquima Range (1)
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White Pine County Nevada (1)
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New York (1)
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Oklahoma
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Arbuckle Mountains (4)
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Carter County Oklahoma (1)
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Love County Oklahoma (1)
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Murray County Oklahoma (1)
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Pontotoc County Oklahoma (1)
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Texas
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Brown County Texas (2)
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El Paso County Texas
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El Paso Texas (1)
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McCulloch County Texas (1)
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West Texas (1)
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Utah
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Box Elder County Utah (2)
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Millard County Utah
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House Range (1)
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-
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Western U.S. (3)
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-
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elements, isotopes
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sulfur (1)
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fossils
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Invertebrata
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Brachiopoda (1)
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Bryozoa (1)
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Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (2)
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Crinozoa
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Blastoidea (4)
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Crinoidea (11)
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Cystoidea (2)
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Eocrinoidea (6)
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Echinozoa
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Cyclocystoidea (1)
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Echinoidea (1)
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Edrioasteroidea (4)
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Homalozoa
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Homoiostelea (1)
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Stylophora (4)
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geologic age
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Paleozoic
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Cambrian
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Middle Cambrian
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Burgess Shale (1)
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Upper Cambrian
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Furongian (1)
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Wilberns Formation (1)
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Carboniferous
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Mississippian (1)
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Pennsylvanian
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Lower Pennsylvanian
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Morrowan (1)
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Upper Pennsylvanian
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Canyon Group (1)
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Missourian (2)
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Hunton Group (1)
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Ordovician
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Antelope Valley Limestone (4)
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Eureka Quartzite (1)
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Lower Ordovician
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El Paso Group (1)
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Fillmore Formation (5)
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Floian (2)
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Tremadocian (2)
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Middle Ordovician
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Bromide Formation (2)
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Darriwilian (1)
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Simpson Group (1)
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Whiterockian (1)
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Pogonip Group (2)
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Upper Ordovician
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Sandbian (1)
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Permian
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Lower Permian (1)
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Silurian
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Henryhouse Formation (1)
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Upper Silurian (1)
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Primary terms
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Africa
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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-
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Morocco
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Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
-
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Asia
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Far East
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China
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Guizhou China (1)
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Yangtze Platform (1)
-
-
Lesser Sunda Islands
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Timor (1)
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-
-
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biogeography (2)
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Canada
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Western Canada
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British Columbia (1)
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-
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Invertebrata
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Brachiopoda (1)
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Bryozoa (1)
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Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (2)
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-
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Crinozoa
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Blastoidea (4)
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Crinoidea (11)
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Cystoidea (2)
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Eocrinoidea (6)
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Echinozoa
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Cyclocystoidea (1)
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Echinoidea (1)
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Edrioasteroidea (4)
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Homalozoa
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Homoiostelea (1)
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Stylophora (4)
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-
-
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Malay Archipelago
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Timor (1)
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North America
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Basin and Range Province
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Great Basin (2)
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Rocky Mountains (1)
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paleoecology (8)
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paleontology (7)
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Paleozoic
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Cambrian
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Middle Cambrian
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Burgess Shale (1)
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Upper Cambrian
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Furongian (1)
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Wilberns Formation (1)
-
-
-
Carboniferous
-
Mississippian (1)
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Pennsylvanian
-
Lower Pennsylvanian
-
Morrowan (1)
-
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Missourian (2)
-
-
-
-
Hunton Group (1)
-
Ordovician
-
Antelope Valley Limestone (4)
-
Eureka Quartzite (1)
-
Lower Ordovician
-
El Paso Group (1)
-
Fillmore Formation (5)
-
Floian (2)
-
Tremadocian (2)
-
-
Middle Ordovician
-
Bromide Formation (2)
-
Darriwilian (1)
-
Simpson Group (1)
-
Whiterockian (1)
-
-
Pogonip Group (2)
-
Upper Ordovician
-
Sandbian (1)
-
-
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Permian
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Lower Permian (1)
-
-
Silurian
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Henryhouse Formation (1)
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Upper Silurian (1)
-
-
-
sedimentation (1)
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South America
-
Bolivia (1)
-
-
stratigraphy (1)
-
sulfur (1)
-
United States
-
California (1)
-
Great Basin (2)
-
Idaho
-
Franklin County Idaho (1)
-
-
Indiana (1)
-
Midcontinent (1)
-
Montana (1)
-
Nevada
-
Clark County Nevada (1)
-
Eureka County Nevada
-
Eureka Nevada (1)
-
-
Nye County Nevada (1)
-
Toquima Range (1)
-
White Pine County Nevada (1)
-
-
New York (1)
-
Oklahoma
-
Arbuckle Mountains (4)
-
Carter County Oklahoma (1)
-
Love County Oklahoma (1)
-
Murray County Oklahoma (1)
-
Pontotoc County Oklahoma (1)
-
-
Texas
-
Brown County Texas (2)
-
El Paso County Texas
-
El Paso Texas (1)
-
-
McCulloch County Texas (1)
-
West Texas (1)
-
-
Utah
-
Box Elder County Utah (2)
-
Millard County Utah
-
House Range (1)
-
-
-
Western U.S. (3)
-
-
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rock formations
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Oil Creek Formation (1)
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Presentation of the 2020 Harrell L. Strimple Award of the Paleontological Society to Linda J. McCall
Evolutionary significance of the blastozoan Eumorphocystis and its pseudo-arms – ERRATUM
Evolutionary significance of the blastozoan Eumorphocystis and its pseudo-arms
Arceoaster hintei n. gen. n. sp., a late Silurian homeomorphic asteroid (Echinodermata, Hudsonasteridae)
Athenacrinus n. gen. and other early echinoderm taxa inform crinoid origin and arm evolution
The first Ordovician cyclocystoid (Echinodermata) from Gondwana and its morphology, paleoecology, taphonomy, and paleogeography
New edrioasterine and astrocystitid (Echinodermata: Edrioasteroidea) from the Ninemile Shale (Lower Ordovician), central Nevada
Unusual ambulacral branching pattern in a new Ordovician giant edrioasteroid, Bizarroglobus
New long-stemmed eocrinoid from the Furongian Point Peak Shale Member of the Wilberns Formation, central Texas
New Ridged, Conical, Fissiculate Blastoid from the Permian of Timor
Cambrian echinoderm diversity and palaeobiogeography
Abstract The distribution of all known Cambrian echinoderm taxa, encompassing both articulated specimens and taxonomically diagnostic isolated ossicles, is documented for the first time. The database described by 2011 comprises 188 species recorded from 65 formations from around the world. Formations that have yielded articulated echinoderms are unequally distributed in space and time. Only Laurentia and West Gondwana provide reasonably complete records at the resolution of Stage. The review of the biogeographical distributions of the eight major echinoderm clades shows that faunas from Laurentia and Northeast Gondwana (China and Korea) are distinct from those of West Gondwana and Southeast Gondwana (Australia); other regions are too poorly sampled to make firm palaeobiogeographical statements. Analysis of alpha diversity (species per formation) shows that diversity rose initially to Cambrian Stage 5, declined into Guzhangian and Paibian before returning to Stage 5 levels by the end of the Cambrian. This pattern is replicated in Laurentia and West Gondwana. We show that taxonomically diagnostic ossicles found in isolation typically occur significantly earlier than the first articulated specimens of the same taxa and provide important information on the first occurrence and palaeobiogeographical distribution of key taxa, and of the phylum as a whole. Supplementary material: Articulated Cambrian echinoderms and Isolated plates of Cambrian echinoderms are provided at: http://www.geolsoc.org.uk/SUP18668
Palaeobiogeography of Ordovician echinoderms
Abstract The palaeobiogeographical distribution of the six major clades of Ordovician echinoderms (asterozoans, blastozoans, crinoids, echinozoans, edrioasteroids and stylophorans) is analysed based on a comprehensive and up-to-date database compiling 3701 occurrences (1938 species recorded from 331 localities) of both complete specimens and isolated ossicles. Although historically biased towards a limited number of regions (Europe, North America, Russia), the resulting dataset makes it possible to identify six main palaeobiogeographical provinces for Ordovician echinoderms: Laurentia, Baltica, West Gondwana, East Gondwana, Avalonia and Siberia. At a global scale, the high endemicity of echinoderms during the Early to Middle Ordovician coincides with the time of maximum dispersal of continental masses. Late Ordovician faunas tend to become more cosmopolitan, possibly as a consequence of changing palaeogeography and/or relatively higher sea-levels in the Sandbian–Katian interval. Regional biodiversity patterns of Ordovician echinoderms confirm that their major diversification during the Ordovician is not a single, universal evolutionary event, but rather results from the complex addition of contrasted local evolutionary trends.