The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids from northwes-tern Argentina is summarized. A characterization of the faunas recognized below and above the Cambrian-Ordo-vician boundary is presented on the bases of information from sierra de Cajas (Jujuy Province, Eastern Cordi-llera; Lampazar and Cardonal Formations), río Volcancito (La Rioja Province, Famatina range; Volcancito Formation) and other localities assigned to the Parabolina frequens argentina Biozone. In addition, the strati-graphic meaning of each agnostoid species from the P. frequens argentina Zone is updated. The uppermost Cam-brian is characterized by a distinctive agnostoid assemblage composed of Lotagnostus (Lotagnostus)...
ABSTRACT—A tectonically undeformed portion of the lower part of La Laja Formation is exposed at Cerr...
A new trilobite fauna from the lower part of the Suri Formation (upper Floian) exposed in the centra...
The upper part of the Santa Rosita Formation (Ordovician, Tremadocian) in the Nazareno area, Cordill...
The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids fr...
This data paper inventories the records of 1763 trilobites (including agnostoids) from the Middle Ca...
The San Isidro area is a classic fossil locality of the Lower Paleozoic of the southern Precordiller...
Abstract – The first ever list of the regional Öland Series (Tremadocian to mid Darriwilian) trilobi...
The stratigraphy of Cambrian-Ordovician aged sequences in the Province of Jujuy, northern Argentina,...
Late Furongian (late Cambrian) trilobites are described from the black, deep water limestones of the...
The trilobites from the “Hungaia puelchana Zone” (=Saukia Zone) of the San Isidro area (Mendoza, wes...
The middle part of the Santa Rosita Formation (Tremadocian) is well exposed in the Iruya area, north...
Lotagnostus is a biostratigraphically important late Furongian (late Cambrian) agnostoid trilobite w...
A preliminary biostratigraphic model that combines trilobite biofacies and biozonation is proposed f...
The upper part of the La Herrería Formation in Los Barrios de Luna (León Province, N Spain) has been...
Lotagnostus is a biostratigraphically important late Furongian (late Cambrian) agnostoid trilobite w...
ABSTRACT—A tectonically undeformed portion of the lower part of La Laja Formation is exposed at Cerr...
A new trilobite fauna from the lower part of the Suri Formation (upper Floian) exposed in the centra...
The upper part of the Santa Rosita Formation (Ordovician, Tremadocian) in the Nazareno area, Cordill...
The biostratigraphic significance of the latest Cambrian-earliest Ordovician trilobite agnostoids fr...
This data paper inventories the records of 1763 trilobites (including agnostoids) from the Middle Ca...
The San Isidro area is a classic fossil locality of the Lower Paleozoic of the southern Precordiller...
Abstract – The first ever list of the regional Öland Series (Tremadocian to mid Darriwilian) trilobi...
The stratigraphy of Cambrian-Ordovician aged sequences in the Province of Jujuy, northern Argentina,...
Late Furongian (late Cambrian) trilobites are described from the black, deep water limestones of the...
The trilobites from the “Hungaia puelchana Zone” (=Saukia Zone) of the San Isidro area (Mendoza, wes...
The middle part of the Santa Rosita Formation (Tremadocian) is well exposed in the Iruya area, north...
Lotagnostus is a biostratigraphically important late Furongian (late Cambrian) agnostoid trilobite w...
A preliminary biostratigraphic model that combines trilobite biofacies and biozonation is proposed f...
The upper part of the La Herrería Formation in Los Barrios de Luna (León Province, N Spain) has been...
Lotagnostus is a biostratigraphically important late Furongian (late Cambrian) agnostoid trilobite w...
ABSTRACT—A tectonically undeformed portion of the lower part of La Laja Formation is exposed at Cerr...
A new trilobite fauna from the lower part of the Suri Formation (upper Floian) exposed in the centra...
The upper part of the Santa Rosita Formation (Ordovician, Tremadocian) in the Nazareno area, Cordill...