Abstract
A new species of hydroid, Hincksella brevitheca, sp. nov., is described based on material from off Cayo Largo, Cuba. Though sterile, the available material has hydrothecae almost completely immersed in internodes and thus is easily distinguished from its congeners, all with thecae projecting far beyond the internodes. The syntype of Sertularella hartlaubi Nutting, 1904, examined for this study, proved to be a synonym of H. formosa (Fewkes, 1881). Brief comments and a comparative table listing the main features of the known species belonging to Hincksella Billard, 1918 are provided.References
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