A palynological assemblage consisting of 35 species of spores and pollen grains, distributed among 27 genera has been recovered from the lower section of the Rancho de Lata Formation, Main Cordillera of San Juan Province, Argentina. One new genus of monosaccate pollen grains, Variapollenites Ottone, together with seven new species, Anapiculatisporites sandrae Ottone, Anapiculatisporites pamelae Ottone, Variapollenites rhombicus Ottone, Variapollenites curviplicatus Ottone, Variapollenites trisulcus Ottone, Patysaccus olivae Ottone, and Equisetosporites cinctus Ottone, are proposed. The present microfloristic assemblage is of the Ipswich Type, and considered as late Triassic in age. -Authors
Documento: | Artículo |
Título: | Late Triassic plant microfossils from the Rancho de Lata Formation, Main Cordillera, Argentina |
Autor: | Ottone, E.G.; Alvarez, P.P.; Benoit, S.V. |
Filiación: | Departamento de Ciencias Geologicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon No 2, Ciudad Universitaria, C.P. 1428, Buenos Aires, Argentina, Argentina |
Palabras clave: | Ipswich type assemblage; monosaccate; palynology; pollen; Rancho de Lata Formation; Triassic; Argentina; Main Cordillera; San Juan; Anapiculatisporites; Bacteria (microorganisms) |
Año: | 1992 |
Volumen: | 38 |
Número: | 3 |
Página de inicio: | 261 |
Página de fin: | 278 |
Título revista: | Micropaleontology |
ISSN: | 00262803 |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00262803_v38_n3_p261_Ottone |