Comprehensive Description

provided by Smithsonian Contributions to Zoology
Oithona setigera Dana, 1853

Oithona setigera Dana, 1853:1101–1102, pl. 76: fig. 6a-f.—Kiefer, 1929:6.—Mori, 1937:110, pl. 60: figs 1, 2.—Sewell, 1947:257.—Nishida et al., 1977:147–149, figs. 19–20.

MATERIAL.—2 from PN-14-60 and 1 from PN-25-60.

FEMALE.—Length of females 1.62, 1.69, and 1.57 mm; Pr/Ur-0.9, 0.9, and 0.9. Knob near genital opening with short, straight, thick spine, denticulate on posterior edge and small spine ventral to it (Figure 11a). Ur4 ventrally with 2 rows of 5 or 6 hairs, increasing in length laterally (Figure 11b). Ri2P4 (Figure 11e) both setae modified, thick, curved, with flange on distal ; proximal seta on Ri3P4 virtually straight, but thicker, with flange on distal ½. P5 with hairs on medial edge.
bibliographic citation
Ferrari, Frank D. and Bowman, Thomas E. 1980. "Pelagic copepods of the family Oithonidae (Cyclopoida) from the east coasts of Central and South America." Smithsonian Contributions to Zoology. 1-27. https://doi.org/10.5479/si.00810282.312