Cerro San Bernardo: Tremadoc, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Bernardite sp.
Nortite sp.
Pterobranchia - Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851
Lingulata - Lingulida - Obolidae
Obolus sp. Eichwald 1829
Rhynchonellata - Orthida - Heterorthidae
"Nanorthis" grandis (Harrington 1938)
Benedetto 2007
recombined as Tarfaya grandis
Rhynchonellata - Orthida - Plectorthidae
Nanorthis sp. Ulrich and Cooper 1936
Gastropoda - Bellerophontida - Tropidodiscidae
Bucania cyrtoglypha Harrington 1938
Harrington 1938
    = Peelerophon oehlerti Bergeron 1889
Gutierrez-Marco and Acenolaza 1992
Rostroconchia - Ribeirioida - Ischyriniidae
Tolmachovia andina n. sp. (Harrington 1938)
Bivalvia - Solemyida - Ctenodontidae
Ctenodonta sp. Salter 1852
Ostracoda - Beyrichicopida - Soanellidae
Saltite sp. Rossi de García and Proserpio 1976
Trilobita - Asaphida - Asaphidae
Thysanopyge sp. Kayser 1898
Sanbernardaspis pygacantha
Kayseraspis asaphelloides Harrington 1938
Megalaspis sp. Angelin 1851
replaced by Megistaspis
Trilobita - Asaphida - Ceratopygidae
Nannopeltis sp. Harrington and Leanza 1957
see common names

Geography
Country:Argentina State/province:Jujuy
Coordinates: 24.8° South, 65.4° West (view map)
Paleocoordinates:43.6° South, 129.5° West
Geographic resolution:local area
Time
10 m.y. bin:Cambrian-Ordovician
*Period:Early/Lower Ordovician *Epoch:Early/Lower Arenig
*International age/stage:Early/Lower Arenig
Key time interval:Tremadoc Graptolite zone: Hunnegraptus copiosus
Age range of interval:485.00000 - 477.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Santa Victoria Formation:Santa Rosita
Stratigraphic resolution:formation
Stratigraphy comments: Was San Bernardo, a misspelling of Santa Bernardo and was Arenig (2017-05-19; PJW).
Lithology and environment
Primary lithology:wave ripples,bioturbation,green lithified argillaceous "shale"
Secondary lithology: sandstone
Lithology description: olive-green and green-yellow, occasionally argillaceous and sandy shale and shaly sandstone with ripple marks, bioturbation, and rill marks
Environment:offshore
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete
Metadata
Database number:8882
Authorizer:A. Miller, W. Kiessling, P. Wagner Enterer:P. Novack-Gottshall, U. Merkel, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2000-09-02 13:22:24 Last modified:2017-05-19 12:50:04
Access level:the public Released:2000-09-02 13:22:24
Creative Commons license:CC BY
Reference information

Primary reference:
635. J. C. Gutierrez-Marco and F. G. Acenolaza. 1992. Ribeiria y Tolmachovia (Mollusca, Rostroconchia) en el Ordovicico inferior de la Cordillera Oriental Argentina. Zentrallblatt für Geologie und Palaeontologie, Teil I: Allgemeine, angewandte, regionale une historische geologie 1991(6):1799-1814 [A. Miller/P. Novack-Gottshall/P. Wagner]

Secondary references:

15486 C. Babin and L. Branisa. 1987. Ribeiria, Peelrophon y otros molluscos del Ordovíco de Bolivia. 4˚ Congreso Latinoamericano de Paleontología 1:119-129 [P. Wagner/P. Wagner]
24964 J. L. Benedetto. 2007. New Upper Cambrian-Tremadoc rhynchonelliformean brachiopods from northwestern Argentina: evolutionary trends and early diversification of plectorthoideans in the Andean Gondwana. Journal of Paleontology 81(2):261-285 [W. Kiessling/U. Merkel]
15509 H. J. Harrington. 1938. Sobre las faunas del Ordoviciano Inferior del norte argentino. Revista del Museo de La Plata, n. s. 1 (Sección Paleontología) 109-289 [P. Wagner/P. Wagner/J. Alroy]