On the occurrence of Cymatium martinianum (d' Orbigny, 1847) (Gastropoda, Ranellidae) in the island of Madeira (NE Atlantic Ocean)

Abstract

Cymatium martinianum (d Orbigny, 1847) is recorded for the first time from the island of Madeira. This species has an amphi-atlantic distribution, ranging from the south of Florida to Brazil (including Bermuda) in the West Atlantic and from Madeira to Sao