Abstract

The dispersed palynomorph Pseudoschizaea sp. of unknown affinity from the Jurassic of Italy was studied under transmitted light, confocal, fluorescent, scanning, and transmission electron microscopy. A comparison with spores of mosses and fungi, algal cysts and resting eggs of worms has been conducted. Similar sculpture pattern and size range are observed in some algae and fungi. A cross striation of the wall, discovered for this taxon, is so far unknown among algae and fungi studied with a transmission electron microscope, but channels similar to those of Pseudoschizaea are observed in some particular wall layers of some algae. The possible relationships and ecology of the producers of such palynomorphs are discussed.

中文翻译：

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假单胞菌 意大利早期侏罗纪时期的岩石：精细的结构和比较

摘要

分散的孢粉Pseudoschizaea SP。在透射光，共聚焦，荧光，扫描和透射电子显微镜下研究了来自意大利侏罗纪的未知亲和力。与苔藓和真菌的孢子，藻类囊肿和蠕虫的卵卵进行了比较。在某些藻类和真菌中观察到相似的雕刻图案和大小范围。迄今为止，用透射电子显微镜研究的藻类和真菌中尚不知道该类群的壁的交叉条纹，但是在某些藻类的某些特定壁层中观察到了与拟南芥相似的通道。讨论了这种拟孢子虫的生产者之间可能的关系和生态。