Lampazar Fm., Sierra de Cajas, Argentina ( of Argentina)

Where: Argentina (23.0° S, 66.0° W: paleocoordinates 45.0° S, 127.7° W)

• local area-level geographic resolution

When: Lampazar Formation, Tremadoc (486.5 - 477.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green shale and sandstone

• shale and fine-grained, gray to dark sandstone with thin-bedded, green-gray and pale quartzitic intercalations

Collection methods: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete

Primary reference: F. G. Acenolaza. 1968. Geologia estratigrafica de la region de la Sierra de Cajas, Dpto. Humahuaco (Provincia de Jujuy). Revista de la Asociacion Geologica Argentina 23(3):207-222 [A. Miller/P. Novack-Gottshall/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 8866: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Conodonta
 Proconodontida - Cordylodontidae
Cordylodus sp.
Cordylodus sp. Pander 1856 conodont
Pterobranchia
 Dendroidea - Acanthograptidae
Dictyonema sp.
Dictyonema sp. Hall 1851 graptolite
 Graptoloidea - Anisograptidae
Rhabdinopora sp.
Rhabdinopora sp. Eichwald 1860 graptolite
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp.
Hyolithes sp. d'Eichwald 1840
Gastropoda
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp.
Tropidodiscus sp. Meek and Worthen 1866 snail
 Bellerophontida - Bucaniidae
Bucania sp.
Bucania sp. Hall 1847 snail
Trilobita
 Olenida - Olenidae
Protopeltura sp., Angelina sp., Parabolina sp., "Beltella sp." = Leptoplastides, "Parabolinopsis sp." = Leptoplastides, Parabolinella sp., Plicatolina sp.
Protopeltura sp. Broegger 1882 trilobite
Angelina sp. Salter 1859 trilobite
Parabolina sp. Salter 1849 trilobite
"Beltella sp." = Leptoplastides Raw 1908 trilobite
"Parabolinopsis sp." = Leptoplastides Raw 1908 trilobite
Parabolinella sp. Brögger 1882 trilobite
Plicatolina sp. Shaw 1951 trilobite
Artiopoda
 Agnostida - Peronopsidae
Gallagnostus sp.
Gallagnostus sp. Howell 1935
 Agnostida - Diplagnostidae
Machairagnostus sp.
Machairagnostus sp. Harrington and Leanza 1957
 Agnostida - Agnostidae
Micragnostus sp.
Micragnostus sp. Howell 1935