Mayerella Huntsman, 1915

Diagnosis. Antenna 2 flagellum 2-articulate, swimming setae absent; mandible palp 3-articulate, last article setal formula 1-x- 1, 1 single apical setae or 2 (a medial and an apical one); molar present; pereopods 3–4 2-articulate; pereonite 5 with insertion at mid-length; pereopod 5 2–4 articulate; male abdomen with pair of appendages, female abdomen with pair of lobes.