PBDB Collection

Crittenden Springs, Thaynes Formation, Elko County, Nevada (Triassic of the United States)

Where: Nevada (41.5° N, 114.1° W: paleocoordinates 12.0° N, 37.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Thaynes Formation, Smithian (251.3 - 247.2 Ma)

• Romunderi and Tardus Ammonoid Zones (most specimens: Romunderi Zone)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified limestone

• inner slope to basin facies, depths ranging from 75 to 125 m

• gray crystalline limestones (Romunderi Zone) and black crystalline limestones (Tardus Zone)

Size class: macrofossils

Collection methods: ammonoids only; brachiopods, gastropods and bivalves reported to be present, but not listed

Primary reference: G. E. Gardner, Jr. and R. H. Mapes. 2000. The relationships of color patterns and habitat for Lower Triassic Ammonoids from Crittenden Springs, Elko County, Nevada. Revue de Paléobiologie 8:109-122 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61515: authorized by Wolfgang Kiessling, entered by Uta Merkel on 15.06.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Cephalopoda
Ceratitida - Lanceolitidae	Lanceolites compactus Lanceolites compactus Hyatt and Smith 1905 ceratite
Ceratitida - Xenoceltitidae	"Inyoites stokesi" = Subvishnuites stokesi, Xenoceltites sp., Xenoceltites youngi "Inyoites stokesi" = Subvishnuites stokesi Kummel and Steele 1962 ceratite Xenoceltites sp. Spath 1930 ceratite Xenoceltites youngi Kummel and Steele 1962 ceratite
Ceratitida - Kashmiritidae	Preflorianites toulai, Kashmirites sp. Preflorianites toulai Smith 1932 ceratite Kashmirites sp. Diener 1913 ceratite
Ceratitida - Ussuriidae	Parussuria compressa Parussuria compressa Hyatt and Smith 1905 ceratite
Ceratitida - Paranannitidae	Owenites koeneni Owenites koeneni Hyatt and Smith 1905 ceratite
Ceratitida - Meekoceratidae	Juvenites thermarum, Juvenites septentrionalis Juvenites thermarum Smith 1927 ceratite Juvenites septentrionalis Smith 1932 ceratite
Ceratitida - Aspenitidae	"Aspenites acutus" = Aspenites acutus, "Hemiaspenites obtusus" = Aspenites acutus "Aspenites acutus" = Aspenites acutus Hyatt and Smith 1905 ceratite "Hemiaspenites obtusus" = Aspenites acutus Hyatt and Smith 1905 ceratite
Ceratitida - Hedenstroemiidae	Pseudosageceras multilobatum Pseudosageceras multilobatum Noetling 1905 ceratite
Ceratitida - Flemingitidae	Euflemingites cirratus, "Flemingites russelli" = Anaflemingites russelli, Anaflemingites silberlingi Euflemingites cirratus White 1879 ceratite "Flemingites russelli" = Anaflemingites russelli Smith 1904 ceratite Anaflemingites silberlingi Kummel and Steele 1962 ceratite
Ceratitida - Prionitidae	"Meekoceras gracilitatus" = Meekoceras gracilitatis "Meekoceras gracilitatus" = Meekoceras gracilitatis White 1879 ceratite
Ceratitida - Melagathiceratidae	Paranannites mulleri, Paranannites aspenensis, "Prosphingites slossi" = Paranannites slossi Paranannites mulleri Kummel and Steele 1962 ceratite Paranannites aspenensis Hyatt and Smith 1905 ceratite "Prosphingites slossi" = Paranannites slossi Kummel and Steele 1962 ceratite
Ceratitida - Proptychitidae	Pseudaspidites wheeleri Pseudaspidites wheeleri Kummel and Steele 1962 ceratite
Ceratitida - Dieneroceratidae	Wyomingites aplanatus, Wyomingites whiteanus, Wyomingites arnoldi, Dieneroceras subquadratum, Dieneroceras spathi, "Dieneroceras knechti" = Dieneroceras dieneri Wyomingites aplanatus White 1879 ceratite Wyomingites whiteanus Waagen 1895 ceratite Wyomingites arnoldi Hyatt and Smith 1905 ceratite Dieneroceras subquadratum Smith 1932 ceratite Dieneroceras spathi Kummel and Steele 1962 ceratite "Dieneroceras knechti" = Dieneroceras dieneri Hyatt and Smith 1905 ceratite
Ceratitida - Arctoceratidae	Arctoceras tuberculatum, Churkites noblei n. sp. Arctoceras tuberculatum Smith 1932 ceratite Churkites noblei n. sp. Jenks 2007 ceratite