Preservational groups Group 1 Group 2 Group 3 Group 4 Group 5 Number of specimens in the sample (0.5 - 1 ml of sediment) (100%) Overall degree of preservation: (gr1+gr2)/(gr3+gr4+gr5)
Morphology / sediment All limbs, gut and body shape well preserved All limbs and body shape well preserved, no traces of the gut Moderately damaged cuticle, gut, and limbs Body shape and limbs only partially preserved Separate limbs or bodies without limbs
Kaolinite 17.5 42.3 11.34 9.3 19.59 197 1.49
Montmorillonite 21.3 49.8 4.4 6.2 18.3 54 2.11
Artificial SiO2 30.25 13.5 14.5 11 29.25 191 0.80
Chamosite 15.9 13.6 22.7 25 22.7 44 0.42
Clinochlore 5.12 17.2 16.1 23.18 41.2 421 0.28
Artificial sea water 6.3 1.25 11.2 23.8 57.5 80 0.08