INVESTIGADORES
ORTEGA Gladys Del Carmen
artículos
Título:
Loganograptus logani (Hall) en la Precordillera de San Juan y La Rioja
Autor/es:
CUERDA. A.J.; ORTEGA G.
Revista:
AMEGHINIANA
Editorial:
ASOCIACION PALEONTOLOGICA ARGENTINA
Referencias:
Lugar: Buenos Aires; Año: 1982 p. 281 - 288
ISSN:
0002-7014
Resumen:
Loganograptus logani (HALL) IN THE PREOORDILLEl1AOF SAN JUA1' ANDLA Rro-JA. - The occurrence of Loganograptus logani (Hall) in the lower levels of the Los Azulesand Gualcamayo Formations (San Juan and La Rioja Provinces) is here mentioned. Its morphologicalfeatures are also described. On the basis of the whole graptolitic association(Pa raglossograptus ether idgei (Harrís ), Glypto: l,raptus austrodenta tus Harris & Kezle, Zygugraptussp., and others), the fossil-bearing beds are assigned to the Middle Ordovician(Llanvirn) .