Genus Microtrypetes Pilsbry & Lowe, 1932

(Fig. 10F)

Type species: Microtrypetes iola Pilsbry & Lowe, 1932; OD.

Diagnosis: Shell small (<20 mm), dull, with turreted outline due to subcylindrical to clearly cylindrical whorl outline. Sculpture of strong, straight to finely curving axial ribs and fine spiral striae. Subsutural band indistinct or weakly defined. Siphonal canal long, curved.

Distribution: E Pacific.

Remarks: The genus can be differentiated from other New World genera of Terebridae by the stepped appearance of the spire, due to the cylindrical or subcylindrical whorl outline, by the generally indistinct subsutural band and by the siphonal canal that is rather long for the family.

Included species:

Microtrypetes iola Pilsbry & Lowe, 19324;

M. polypenus (Pilsbry & Lowe, 1932) 4 n. comb.

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