A new species of Lygodium (Schizaeaceae) from the Buxin Formation (middle Paleocene), Sanshui Basin, South China,Palaeoworld

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A new species of Lygodium (Schizaeaceae) from the Buxin Formation (middle Paleocene), Sanshui Basin, South China
Palaeoworld ( IF 1.7 ) Pub Date : 2019-07-10 , DOI: 10.1016/j.palwor.2019.07.003
Sergey V. Naugolnykh , Ming Tu , Xiao-Yan Liu , Jian-Hua Jin

The morphology, epidermal features and details of the conducting tissues are described for Lygodium sterile pinnules from the oil-bearing middle Paleocene strata of the Sanshui Basin, Guangdong Province, South China. A new species, Lygodium sanshuiense n. sp., is erected on the basis of being petiolulate, with palmately-lobed sterile pinnules that are often strongly dissected and have acute to acuminate apices. Lygodium is typically associated with mesic floras and its presence in the Buxin palaeoflora suggests the overall regional palaeoclimate was subtropical and humid during the middle Paleocene.

更新日期：2019-07-10

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