Planche 1 issued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.32, Figs.113-118]. After Grice & Hulsemann, 1970.
Male:113-114, habitus (lateral and dorsal, respectively); 115, Md; 116, P5; 117, distal part of P5 (dorsal view); 118, exopod of left P5.

Planche 2 Issued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.218-219, Pl. XI, Figs. 215-227]. As Undinella altera.
Male (from 39°45.2'N, 70°33.8W): 215-216, habitus (dorsal and lateral, respectively); 217, left A1; 215, Mx2; 219, Mxp; 220, P1; 221, P2; 222, terminal spine of P2; 223, P3; 224, P4; 225, P5 (anterior view); 226, distal portion of P5 (posterior view); 227, exopod of left P5.

Nota: - Head and 1st thoracic segment fused, 4th and 5th fused.
- Abdomen 5-segmented, anal segment very small.
- Rostrum absent.
- Posterolateral corner of thorax truncate.
- Right A1 22-segmented, segments 8-10, 20-21 fused. Left A1 23-segmented, segments 8-10 fused. Aesthetascs numerous proximally on both A1.
- Endopod of A2 about 1/2 the length of exopod.- 1st inner lobe (= arthrite) large; 2 and 5 setae on 2nd (= coxal endite) and 3rd (= basal endite) inner lobes, respectively; 3 setae on 2nd basal segment; 6 setae on endopod; 2 setae on exopod; and 7 setae on 1st outer lobe (= basal exite).
- Mx2 with 5 lobes arising distally.
2nd segment of Mxp somewhat swollen.
- Exopods of P1 to P4 3-segmented. Endopod of P1 1-segmented, of P2 2-segmented, of P3 and P4 3-segmented.
- Scattered spines on distal exopodal and endopodal segments of P2 and P3.
- Right P5 uniramous, 2-segmented; proximal segment twice the length of distal segment. Endopod of left P5 elongate, reaching beyond end of right leg.; exopod 3-segmented, distal segment with conspicuous lamella.

Planche 3 Issued from : G.D. Grice & K. Hülsemann in Bull. Mus. Comp. Zool., Harvard, 1970, 139 (4). [p.216-217, Pl. X, Figs. 211-214]. As Undinella altera.
Male: 211, A2; 212, 4th and 5th thoracic segments and genital segment (lateral); 213, Md; 214, Mx1.