Helixotionella scutata is found from the Recent of Western Australia, and has also been collected from the Tertiary of southeastern Australia. The illustrations are of a fossil specimen.
Colony frontal surface | Detail of zooids and avicularia |
Detail of ancestrula and and two periancestrular avicularia | Colony basal surface with peripheral avicularia. |
Original description: Helixotionella scutata Cook & Chimonides, 1984
Locality: West of Jurien Bay, Western Australia
Type specimen: WAM 116-83