“One isolated uniserial arm trunk with biserial ramules was recovered from the Nada.”

“This biserial archipterygium with its limb-girdle is derived from a series of gill-rays attached to a branchial arch.”

“Uniserial budding produces a chain one zooid wide, whereas, colonies that are biserial, zooids share one wall and result in a strip two zooids wide.”

“Biserial, or biseriate, occupying two rows, one within the other.”

“Rays are uniseriate or rarely biseriate, or both uniseriate and biseriate, and homocellular, but sometimes heterocellular.”