摘要: Eight Silurian gastropod species are described from the Arisaig Group of Nova Scotia and equivalent strata in Britain. Mimospira, Haplospira, Brachytomaria recorded for first time. The following new described: Pharetrolites bambachi, Mimospira abbae, Haplospira sibeliuxeni, Naticonema kauffmani, Cyclonema (C.) lydiamariarum, Naticopsis trevorpatriciorum, Morania (?) boltoni.