TABLE 1. Specimen sampling, with basic information on size, colour, and shape.
| Taxon | Specimen | Size | Colour | Flattened? | Scanner used |
| Crocuta crocuta spelaea (Mammalia) |
ULgPA1806, cranium | 262 mm | Light brown | No | Artec Eva |
| Hippurites radiosus (Hippuritida) |
ULgPA3727, complete shells | 158 mm | Beige | No | Artec Eva, Artec Spider |
| Ursus spelaeus (Mammalia) |
ULgPA12766, femur | 486 mm | Brown | No | Artec Eva |
| Ichthyosaurus sp. (Reptilia) |
ULgPA13413, complete skeleton | 1044 mm | Dark grey | Yes | Artec Eva, Creaform Handyscan |
| Pleurosaurus thiollieri (Reptilia) |
ULgPA25056, cast of complete skeleton | 808 mm | Brown | Yes | Artec Eva |
| Proterocidaris sp. (Echinoidea) |
ULgPA35400, complete test | 196 mm | Black | Yes | Artec Eva |
| Lovenechinus sp. (Echinoidea) |
ULgPA35401, complete test | 174 mm | Black | Moderately | Artec Eva, Creaform Handyscan |
| Siphonophyllia cylindrica (Rugosa) |
ULgPA20230303-4, complete skeleton | 136 mm | Light brown | No | Artec Eva |
| Caninophyllum patulum (Rugosa) |
ULgPA20230303-5, complete skeleton | 112 mm | Light brown | Mostly no | Artec Eva |
| Capra hircus (Mammalia) |
ULgPA20230320-1, cranium | 393 mm | Light beige | No | Artec Eva |
TABLE 2. Effect of glass (new and old) in deviating points compared to the reference mesh. All specimens compared here have been scanned with an Artec Eva.
| New glass, points with < 0.5 mm deviation (%) |
New glass, points with < 1 mm deviation (%) |
Old glass, points with < 0.5 mm deviation (%) |
Old glass, points with < 1 mm deviation (%) |
|
| ULgPA12766 Ursus spelaeus femur |
99.56 | 99.97 | 75.45 | 94.69 |
| ULgPA13413 Ichthyosaurus sp. |
98.71 | 99.95 | NA | NA |
| ULgPA1806 Crocuta crocuta spelaea skull |
96.6 | 98.32 | NA | NA |
| ULgPA20230303-4 Siphonophyllia cylindrica |
99.16 | 100 | 90.81 | 99.52 |
| ULgPA20230303-5 Caninophyllum patulum |
99.82 | 99.95 | 94.29 | 97.45 |
| ULgPA20230320-1 Capra hircus skull |
89.29 | 91.74 | 77.17 | 88.38 |
| ULgPA25056 Pleurosaurus thiollieri (cast) |
99.39 | 99.92 | 93.55 | 99.91 |
| ULgPA35400 Proterocidaris sp. |
98.81 | 99.53 | 96.4 | 100 |
| ULgPA35401 Lovenechinus sp. |
94.36 | 98.88 | 93.5 | 99.4 |
| ULgPA3727 Hippurites radiosus |
99.76 | 99.96 | 99.6 | 99.98 |
| MIN | 89.29 | 91.74 | 75.45 | 88.38 |
| MAX | 99.82 | 100 | 99.6 | 100 |
TABLE 3. Raw measurements taken on each mesh generated from specimen ULgPA13413. Laser scans were used as a control and were performed with no glass between scanner and object.
| Mesh | Mandible length |
Skull length |
Snout length |
Snout depth |
Orbit length |
Articular to coronoid |
Articular to retroarticular |
Crown diameter |
Crown height |
| Laser | 264.304 | 257.67 | 159.27 | 6.77 | 48.08 | 18.48 | 12.46 | 4.51 | 2.53 |
| Eva | 266.8 | 262.1 | 164.87 | 5.52 | 47.75 | 20.38 | 15.82 | 4.64 | 2.99 |
| Glass horizontal | 265.83 | 261.86 | 162.9 | 7.05 | 46.04 | 20.05 | 15.01 | 4.26 | 3.5 |
TABLE 4. Morphological ratios computed on the raw data (Table 3) for each mesh generated from specimen ULgPA13413.
| Mesh | Tooth shape | Absolute crown size |
Relative orbit size |
Relative snout length |
Relative snout depth |
Anterior mechanica adventage |
Opening mechanical adventage |
| Laser | 0.56097561 | 2.53 | 0.186595257 | 0.618116195 | 0.042506436 | 0.069919487 | 0.047142684 |
| Eva | 0.644396552 | 2.99 | 0.182182373 | 0.62903472 | 0.033480924 | 0.076386807 | 0.059295352 |
| Glass horizontal | 0.821596244 | 3.5 | 0.17581914 | 0.622088139 | 0.043278085 | 0.075424143 | 0.056464658 |
