Generic Description
Included with your order are generic descriptions of all forty
models. Below is an example.
Elphidium B/5
Aperture:
Rows of large pores on last
septum
Chambers: Appressed,
in flat spiral with large radial ridges, and with
small
ridges separating suture depressions
Periphery: Sub-rounded
ridge
Pores: Small
Proloculus: Not
visible
Septum (last): Slightly
curved, narrow, with multiple pore-like apertures
Shell: Disc-shaped,
bi-convex
Sutures:
Radially curved rows of depressions separated by radially
curved
chamber ridges
Umbo: On
both involute sides
Whorls: Each
has 10-20 chambers, involute on both sides
Habitat: Benthic Size:<4.0mm.
Geologic
Range: Eocene to Recent