Plate 1 Issued from : E.H. Wheeler, Jr in Smiths. Contr. Zool., 1970, 55. [p.24, Figs.51-53]. Male (from near Puerto Rico): 51, habitus (lateral); 52, rostrum (lateral); 53, posterior portion of cephalothorax and 1st urosomal segment (dorsal). Nota: Head and 1st pediger segment with barely discernible separation4th and 5th pediger segments fused. Each lateral margin of 2nd and 3rd pediger segment with posteriorly directed point (not visible in dorsal view). Rostrum prpminent, extending ventrally as a broad, flattened structure. A1 23-segmented.
Plate 2 Issued from : E.H. Wheeler, Jr in Smiths. Contr. Zool., 1970, 55. [p.25, Figs.54-60]. Male: 54, last pediger segment and P5 (lateral view); 55, A2; 56, Md (mandibular palp); 57, Md (gnathal lobe); 58, Mx1; 59, Mx2; 60, Mxp.
Plate 3 Issued from : E.H. Wheeler, Jr in Smiths. Contr. Zool., 1970, 55. [p.26, Figs.61-66]. Male: 61, exopod of left P5; 62, endopod of left P5; 63, right P5; 64, P1; 65, P2; 66, P4.
Plate 4 issued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.70, Figs.413-419]. Female (from Okhotsk Sea): 413-414, habitus (dorsal and lateral, respectively); 415-416, genital segment (ventral and left views); 417, rostrum; 418, P5; 419, caudal rami (dorsal).
Plate 5 issued from : V.N. Andronov in Arthropoda Selecta, 2002, 11 (1). [p.71, Figs.421-422]. After Wheele's slide (1970). Male: 421, thoracic segment 5 and P5 (changed posture); 422, left exopod of P5.
Distribution
NZ: 2
Distribution map of Undinella gricei by geographical zones
Bathy-abyssopelagic (2000-4000 m). The unique female comes from the collection of the Zoological Institute of Saint Petersburg, with no other precision than the Sea of Okhotsk. After the description of the male by E.H. Wheeler in 1970, from a sample near Haiti (NW Atlantic), the attribution of the female to this species poses a problem. Andronov (pers. comm., 2008) and in his publication (2002, pp. 70-71) underlines the following characters: 1- the comparison between the size ratios of males and females for the other species shows that males have inferior sizes of 1.1 to 1.2 times; one may suppose then that the size of the female of U. gricei should be about equal to 2.07 - 2.26 mm.
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