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New material from South China reveals the intraspecific variability and palaeoenvironmental preferences of an extinct seed fern Ptilozamites from the Late Triassic

　　PtilozamitesNathorst 1878 is a seed fern genus widely documented from the Early Mesozoic with over 140 years long history; but the systematic position of Ptilozamites was debated for decades. The investigation of Ptilozamitesin China had started in 1950 due to the first discovery of Ptilozam...

New evidence proves saccorhytus is ecdysozoan

　　An international research team led by Dr. ZHANG Huaqiao from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences (NIGPAS) has used hundreds of new fossil specimens to clarify the anatomy and evolutionary affinity of Saccorhytus, originally thought to be a de...

The earliest known brood care in insects found in Daohugou biota

　　Parental care refers to the protection, care and feeding of eggs or offspring by parents, is considered as a significant behavioural adaptation in life-history traits. It has evolved independently multiple times in animals, e.g. mammals, birds, dinosaurs and arthropods, especially various li...

Mercury evidence of Deccan volcanism driving the Latest Maastrichtian warming event

　　The timing and ecological impacts of the Deccan large igneous province eruption are vigorously debated. About 150–300,000 years before the end-Cretaceous mass extinction, the Deccan basalt had already begun to erupt. Deccan large igneous province emitted a large amount of greenhouse gases s...

Comprehensive progress has been made on the Late Cretaceouspollen group of Triprojectacites

　　Triprojectacites is an extinct fossil pollen group characterized by three projections at the equator, which mainly thrived during the Late Cretaceous. The Northern Hemisphere palynofloras during the Late Cretaceous can be divided into a Normapolles province and an Aquilapollenites province, ...

First palynological record of Carnian Pluvial Episode from South China

　　The Late Triassic Carnian Stage witnessed major climatic changes during the mid-Carnian (Julian 2-Tuvalian 1), known as the “Carnian Pluvial Episode” (CPE). The CPE is characterized by increased rainfall, humid and warmer climate, oceanic anoxia, carbon cycle perturbations and demise of ca...

Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences

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