zone in which the shell material was essentially solid and an axial zone in which cup-shaped cavities remain in the camerae; with growth, the axial zone widens adorally at the expense of the peripheral zone, 2019
Stainless steel, aluminum, pewter, parachute silk, parachute harness clips and ripcord hardware, laboratory clamps, orthopedic jaw fixation hardware, leather, shells
201.9 x 61 x 20.3 cm (79.5 x 24 x 8 in.)