Plate 1 issued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.220, Fig.68].
Female: a, habitus (left side); b, urosome (dorsal); c, d, forehead (dorsal, left, respectively); e, f, genital somite (left, ventral, respectively); g, left Mx1 (posterior).

Plate 2 issued from : T. Park in Bull. Scripps Inst. Oceanogr. Univ. California, San Diego, 2000, 31. [p.221, Fig.69].
Female: a, left Mx2 (posterior); b, right Mxp (anterior).

Male: c, P5 (distal exopodal segments omitted), anterior; d, right P5 (endopod omitted), posterior; e, exopod of left P5 (anterior); f, first 2 exopodal segments of left P5 (anterior).

Plate 3 Issued from : T. S. Park in Bull. Mar. Sc., 1970, 20 (2). [p.521, Figs.238-244].
Female (from Caribbean Sea): 238, habitus (dorsal); 239, forehead (lateral); 240, posterior part of metasome and genital segment (lateral left side); 241, Mx1; 242, Mx2; 243, Mxp; 244, P5 (anterior).
Nota: Head and 1st thoracic segment separate, 4th and 5th fused. mx1: 2nd inner lobe with 1 seta; basis without setae; endopod with 2 setae. penultimate lobe of Mx2 with 2 unequal spines, the smaller about one-half the length of the larger. P1-P4 as in H. spinifer.

Plate 4 issued from : J.M. Bradford in N.Z. Jl mar. freshw. Res., 1971, 5 (1). [p.130, Fig.8].
Female (from 31°40'S, 177°33'W & 25°46'S, 170°16'W): a-b, habitus (dorsal and lateral, respectively); c, forehead (dorsal); d, genital segment (right side); e, A1; f, Mx2; g, Mxp; h, P1; i, P2; j, P3, k, P4, l, P5.

Male: m-n, habitus (dorsal and lateral, respectively); o, A1; p, P5.

Plate 5 Heterorhabdus caribbeanensis female:
1 - See key to species groups of Heterorhabdus: ''spinifrons'' Group (p.90, 91).
2 - Forehead without a spiniform process (Fig.68-d).

Plate 6 Heterorhabdus caribbeanensis male:
1 - See key to species groups of Heterorhabdus: ''spinifrons'' Group (p.90, 91).
2 - Forehead without a spiniform process.