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Titolo:
Trilobites of the family Olenidae from the Lower Ordovician (Arenigian) ofthe Argentine Cordillera Oriental
Autore:
Waisfeld, BG;
Indirizzi:
Univ Nacl Cordoba, Fac Ciencias Exactas Fis & Nat, Catedra Estratig & GeolHist, RA-5000 Cordoba, Argentina Univ Nacl Cordoba Cordoba Argentina RA-5000 , RA-5000 Cordoba, Argentina
Titolo Testata:
AMEGHINIANA
fascicolo: 2, volume: 38, anno: 2001,
pagine: 195 - 211
SICI:
0002-7014(2001)38:2<195:TOTFOF>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
SPA
Soggetto:
TRIARTHRUS GREEN; GENUS;
Keywords:
Acoite Formation; Lower Ordovician; Trilobita; Olenidae; systematics;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
58
Recensione:
Indirizzi per estratti:
Indirizzo: Waisfeld, BG Univ Nacl Cordoba, Fac Ciencias Exactas Fis & Nat, Catedra Estratig & GeolHist, Av Velez Sarsfield 299, RA-5000 Cordoba, Argentina Univ Nacl Cordoba Av Velez Sarsfield 299 Cordoba Argentina RA-5000
Citazione:
B.G. Waisfeld, "Trilobites of the family Olenidae from the Lower Ordovician (Arenigian) ofthe Argentine Cordillera Oriental", AMEGHINIANA, 38(2), 2001, pp. 195-211

Abstract

Olenid trilobites from the Acoite Formation (Arenigian) that crops out in the Argentine Cordillera Oriental are described and figured. Eight species are reported, three of which are new: Porterfeldia cuadrata sp. nov,, Hypermecaspis occidentalis sp. Nov. and Hypermecaspis chamarrensis sp. nov. Porterfieldia is reported from the Lower Ordovician of Argentina for the first time. Likewise, Saltaspis Harrington and Leanza had not previously been recorded in strata of early Arenig age of the Cordillera Oriental. These records significantly increase the diversity of the group in the Arenigian of the Cordillera Oriental. Olenids occur in moderately to highly diversified trilobite-dominated assemblages, accounting for transitional associations between the raphiophorid and the olenid community types.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 22:30:26