Region:

Type Designation: Same as lectotype of gradatus Reeve, 1843 (ICZN art. 72.7)

Type: Lectotype

Type Repository: BMNH

Type Size: 81 x 35 mm

Type Locality: Salango. Is., Ecuador.

Notes: Nomen novum for gradatus "Gray" Reeve. 1843. non Wood. 1828.