Helixotionella spiralis (Chapman, 1913)

Helixotionella spiralis 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

Original description: Selenaria marginata var. spiralis Chapman, 1913.
Locality: Mallee Bore No.9, Vic., Australia.
Type specimen: NMV P12456.

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Edited by Phil Bock
Modified on 24th July 2002
This URL is http://bryozoa.net/cheilostomata/otionellidae/helixotionella_spiralis.html