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