Morepork they conceded the two were easily distinguishable in appearance, so maintained the three as subspecies; the Tasmanian boobook only diverged by 2.7% from the other two, while the powerful and rufous owls diverged by 4.4% from each other. Leading from this, the southern boobook was split from the Tasmanian boobook and morepork in volume 5 of the "", however several authors, including Les Christidis and Walter Boles, contested that the data had been misinterpreted from the Norman study, which had not sampled any Australian mainland boobooks at all. They treated the three taxa (southern, Tasmanian boobooks, and moreporks) as a
Australasian Arachnological Society Australasian Arachnological Society The Australasian Arachnological Society is a body dedicated to promotion of knowledge and study of arachnids (spiders and other 8-legged arthropods) in the Australasian realm, which includes Australia, New Zealand, South-east Asia, Oceania and the Pacific Islands. Membership is open to all individuals and scientific institutions. The Society maintains a large library of reference books and scientific journals housed at Queensland Museum. The society is informally structured to promote the study of arachnology to amateurs, students, professionals and institutions. The Society was founded by Robert Raven in 1979. The first national meeting was held in 1989 as