Archive image from page 72 of The Cyathaspididae; a family of. The Cyathaspididae; a family of Silurian and Devonian jawless vertebrates cyathaspididaefa135deni Year: 1964 DENISON: THE CYATHASPIDIDAE 375 of smaller size and with finer ridges is described below as a new spe- cies, V. bryanti. A larger form with broader ridges (New York State Mus. 9612, 9620, 9622, 9624-5, 11470-1) agrees with the species described by Bryant as Cyathaspis van ingeni. Bryant also described

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