LISSOCHONETES JACHALENSIS AMOS, 1961. (BRACHIOPODA, CHONETACEA). REDESCRIPCION MORFOLOGICA Y ONTOGENIA

Tristán Simanauskas

Abstract


The ontogeny of Lissochonetes jachalensis Amos is described for the first time. Juveniles include specimens from the Lower Permian of Argentina previously ascribed to Yagonia sp. The study supports a late Carboniferous (Lissochonetes jachalensis-Streptorhynchus inaequiornatus Zone) Westphalian-Stephanian to early Permian (Cancrinella Zone) Asselian age for the species.

Full Text:

 Subscribers Only