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Palynomorphs inclusions in amber. A–F. Inclusions of Classopollis pollen grains in the Cenomanian amber of Neau (Mayenne). Generally pollen grains are grouped in vacuoles of the amber and can be numerous (A, B, E, F), IGR-PAL-2837 to IGR-PAL-2840. Only a few ones are isolated in the fossil resin (C, D), IGR-PAL-2841 and IGR-PAL-2842. Note the dense filamentous network due to the colonization of the resin by a sheathed bacterium (sb). A–D. Optical microscope. E–F. Confocal microscope (CLSM).
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