Campaner, 1978
Short Description:
Paracomantenna magalyae is an aetideid calanoid copepod known after female (1.80-1.90 mm in length) from Brazilian continental shelf, of near-bottom locality.
Taxonomic Description:
Female. (Description after Campaner (1978) with modifications). Total length 1.80-1.90 mm. Cephalothorax nearly 3.8 times longer than abdomen. Cephalon and Th1 separated. Rostrum absent. Th5 with upturned posterior corners varying in shape and length. A1 24-segmented, reaching Th4. Re2 A2 with 1 seta, Ri1 A2 with 1, Ri2 A2 with 4 long and 4 very small setae on internal lobe and 5 long and 1 small posterior seta on external lobe; Re7 longer than Re3-Re6. Md palp base without seta, Ri1 Md with 1, Ri2 Md with 4 setae. Mx1 gnathobase with 9 claw-like, 1 thinner, and 4 setae on posterior surface, second internal lobe with 4, third with 3 setae; protopodite near the Ri base with 5 setae; Ri with 12 setae, Re with 11 setae, external lobe with 7 setae. Mx2 with row of robust thick short spines along anterior and upper margins of first and second endites. Mxp well developed with 3 groups of setae on protopodite of 2, 3 and 3 (?) setae (looking from proximal to distal) in addition to setae in distal group digital appendage is present. P1-P4 with segmentation typical of the Aetideidae. Re P1 with external spine on each of segment, Ri P1 with well developed external lobe supplied with hairs along external border apically; basipodite with small external spine in upper corner.
Male unknown.
Vertical distribution:
The species was found at depth 100 m and 113 m in benthopelagic locality (Campaner, 1978; Alvarez, 1986).
Geographical distribution:
Atlantic Ocean: off Brazilian continental shelf (Campaner, 1978; Alvarez, 1986).
Type locality: 23°19'S 41°57'W.
Material examined:
The species absent in the collections of the Zoological Institute, Russian Academy of Sciences, St. Petersburg.