The Mouthparts in Some North Atlantic Species of the Genus Orchomene Boeck (Crustacea, Amphipoda)

• Published in: Zoologica Scripta
• Main Author: Olerod, Roy
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 1975
• Subjects: North Atlantic
• Online Access: http://dx.doi.org/10.1111/j.1463-6409.1975.tb00731.x; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1463-6409.1975.tb00731.x; https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1463-6409.1975.tb00731.x

Abstract The mouthparts of five North Atlantic species of the genus Orchomene have been studied in detail. The species are: O. serrata (Boeck, 1861), O. amblyops G. O. Sars, 1890, O. crispata (Goes, 1866). O. humilis (A. Costa, 1853) and O. pectinate. G. O. Sars, 1882. The structure of the mandibular molar has been studied with the aid of the scanning electron microscope. Some features of the mouthparts, common to the species examined, are interpreted as generic criteria which should justify retaining the genus Orchomene Boeck, 1870, separated from the closely related genera OrchomeneUa G. O. Sars, 1890, and Orchomenopsis G. O. Sars. 1891.