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Volume 81, 1953
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Key to Species of Heterophoxus

1.

Antenna 2 peduncle, second segment without process H. stephenseni Schellenberg, 1931.

Antenna 2 peduncle, second segment with tongue-shaped process 2.

2 P [ unclear: ] l, 5, 2nd segment with rounded teeth on hind margin 3rd pleon segment not produced postero-distally to acute upwardly-pointing tooth H. videns Barnard, 1930.

P [ unclear: ] l, 5, 2nd segment hind margin sharply senate; 3rd pleon segment posterodistally produced to acute upwardly pointing tooth H. pennatus Shoemaker, 1925.
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Text-fig. 3.—Heterophorus stephenseni Schellenberg ♀ (except 43) 29—Adult. 30—Antenna 1 31—Antenna 2 32—Antenna 2, inferior margin of peduncle 4th segment showing arrangement of spines and setae 33—Tufted flagellate sensory seta from antenna 2 34—Lower lip 35—Maxilla 1. 36—Maxilla 2. 37—Left mandible 38—Left mandible, spine row, cutting edge and molar process. 39—Right mandible, spine row, cutting edge and molar process 40—Maxilliped. left side outer plate and palp 41—Maxilliped inner plate 42—Gnathopod 1. 43—Gnathopod 1, ♂. 44—Gnathopod 2. 45—Uropod 1. 46—Uropod 2. 47—Uropod 3. 48—Uropod 3, tip of 2nd segment of outer ramus 49—Telson.

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Heterophoxus stephenseni Schellenberg (Figs. 29–67.)

Heterophoxus stephenseni Schellenberg 1931 fig. 37a.

(non) Harpinia obtusifrous Stebbing, 1888. Chilton, 1909. 619. Stephensen, 1927. 306, fig. 6.

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