Notarius biffi ^ZBK Betancur-R. & Acero, 2004

Notarius biffi ^ZBK Betancur-R. & Acero, 2004: 3, figs. 1-3. Type locality: high salinity estuary, Bahía La Uníon, El Salvador, 13°20'42" N, 87°49'07" W, 9 m. Holotype: STRI 6674. Paratypes: STRI 5713, UCR 2451-2, 2452-3, 2386-15 .

Distribution: Western Central America.

Countries: Costa Rica and El Salvador.

Habitat: Marine and brackish waters.

Maximum size: 385 mm TL.