Corellamysis

Corellamysis San Vicente gen. nov.

Type species. Corellamysis eltanina San Vicente sp. nov. by present designation. Included species. Corellamysis eltanina.

Gender. The name Corellamysis is defined as feminine.

Etymology. The new genus name is given after the symbiotic association with the ascidean genus Corella Hancock, 1870 combined with the generic name Mysis to give Corellamysis.

Diagnosis. Small Heteromysinae mysids (female maximum size: 9.3 mm TL; male: 5.6 mm TL) distinguished within the subfamily through the globular eyes lacking definite eyestalks; antennal scale without distal transverse suture, proximal one-third of the outer margin; third thoracopod not forming gnathopod; thoracopods third to sixth with carpopropodus divided into subsegments; merus of seven to eighth thoracic endopods armed along its inner margin with diverse strong cuspidate setae; eighth thoracic endopods more larger and longer than anterior ones; uropod endopod armed along its inner margin with 15–20 short cuspidate setae extending from near the statocyst to near the apex; telson without cleft, with the apex rounded, distal half of lateral margins armed with 11–17 cuspidate setae increasing in size towards apex.