Progressive clue challenge

How quickly can you identify the hidden word?

Begin with a broad grammatical clue. Reveal more only when needed. Fewer clues and fewer wrong guesses produce a higher score.

100
It is used as a n. pl..
It begins with “G” and contains 12 letters.
Definition: An order of Bryozoa, having no epistome.
It ends with “A”.
Clue 1 of 4 is visible.
Another word