Terebratella
in zoölogy, a genus of Terebratulidæ, with 25 species distributed among several sub-genera. Shell tributed among several sub-genera. Shell longitudinally impressed; hinge-line approximately straight; beak with a flattened area on each side of the deltidium, which is incomplete, foramen large; loop attached to the septum. The genus appears first in the chalk formation. pears first in the chalk formation.
TEREBRATULA