Harp seal maxilloturbinate CT scans

This repository contains four .vol files corresponding to four harp seal (Pagophilus groenlandicus) skull specimen scans from the Oslo Natural History Museum collections. The scans are centred around the maxilloturbinate mass. Scans performed by Øyvind Hammer using a Nikon Metrology XT H 225 ST CT scanner.

.vol files found under scans.zip can be opened with Avizo or loaded directly from binary as a raw float[depth × height × width] array.

Specimen
Life stage
CBL (mm)
CBL* (/1)
Collection location
Collection year
Collector
Scan date
Voxel scale (μm)
Dimensions (vx³)

7357
Juvenile
148
0.71
Vardø, Norway
1897

March 2023
300
1440 × 1216 × 991

7498
Juvenile
163
0.78

March 2023
300
1440 × 1440 × 1440

7360
Juvenile
201
0.96
Vardø, Norway
1893
Dahl
April 2023
300
1440 × 1440 × 1440

7495
Adult
209
1.00
Maniitsoq, Greenland
1893
Bistrup
April 2022
127
1535 × 1855 × 1920