Portal de Periódicos da CAPES

Reavaliação da flora da Formação Poti: Diplothmema gothanica (Dolianiti) Iannuzzi

2006; Volume: 9; Issue: 1 Linguagem: Inglês

10.4072/rbp.2006.1.02

2236-1715

Roberto Iannuzzi,

Paleontology and Stratigraphy of Fossils

FROM POTI FORMATION: DIPLOTHMEMA GOTHANICA (DOLIANITI) IANNUZZI.This paper is based on the study of Adiantites gothanica Dolianiti, a species recently re-assigned by the senior author as Diplothmema gothanica (Dolianiti) Iannuzzi.In addition to this previous combination, an extended description is furnished but and an emended diagnosis is proposed for D. gothanica based on examination of the type material as well as new material collected by two of the authors (RI and OR).The revision of type collection shows that Sphenopteris oliveiranus (Dolianiti) Rigby and S. santosi (Dolianiti) Rigby are synonyms of D. gothanica, being interpreted as polymorphic fragments from this type of frond.Finally, the frond architecture is reconstructed and a morphogenetic series of pinnules presented for this species.The paleobiogeographic distribution and biocron of D. gothanica are briefly analyzed.