from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any species of Terebratula or allied genera.
from the GNU version of the Collaborative International Dictionary of English
- n. Any species of Terebratula or allied genera. Used also adjectively.
Sorry, no etymologies found.
Echinoids very common, also crinoids, starfish, sponges, and terebratulid and rhynchonellid brachiopods.
In the invertebrate world, several new groups had appeared, such as: planktonic foraminifera and calpionelids, rudists, a reef-forming variety of bivalves; belemnites; and brachiopods of the terebratulid and rinchonelid groups.