Hyalospongia
(n. pl.) An order of vitreous sponges, having glassy six-rayed, siliceous spicules; -- called also Hexactinellinae.
Similar Words:
Hyalograph Hyalography Hyaloid Hyalonema Hyalophane Hyalospongia Hyalotype Pro thyalosoma Prothyalosomata Prothyalosome