SEM analyses on coprolites.
A. Specimen MCCM-LH28719a; B. Specimen MCCM-LH26853b. C. Specimen MCCM-LH35393. In each case (1) corresponds to the analysed coprolite. Scale bar: 5 mm; (2) SEM image (Secondary Electrons): the violet label indicates the area where the analysis was carried out. Scale bar: 1 mm (except in C, whose scale bar is 200μm), and (3) X-ray spectra of the coprolite.