Torometopa cf. crassicornis ( Schellenberg, 1931 )

Coleman, Charles Oliver, Krapp-Schickel, Traudl & Häussermann, Vreni, 2022, Amphipod crustaceans from Chilean Patagonia, European Journal of Taxonomy 849 (1), pp. 1-57 : 45-46

Torometopa cf. crassicornis ( Schellenberg, 1931)

Figs 27–29

Metopoides crassicornis Schellenberg, 1931: 98 , fig. 52.

Proboloides crassicornis – Ruffo 1949: 13. — J.L. Barnard 1958: 131; 1969: 447.

Metopoides crassicornis – Lowry & Bullock 1976: 137–138.

Torometopa crassicornis – J.L. Barnard & Karaman 1991: 700. — De Broyer & Jażdżewski 1993: 95. — De Broyer & Rauschert 1999: 287, table 1.

Material examined

CHILE • unrecorded number of specs; Isla Fronton; -46.72336667°, -75.2558°; 10 m depth; 20 Apr. 2015; 147HF24; on Hydrozoa; repository not recorded ( Figs 27–29 ) • unrecorded number of specs; Canal Chaicayan ; -46.6635667°, -75.30491667°; 23 m depth; 185HF24; 23 Apr. 2015; on red-brown Bolocera occidua McMurrich, 1893 ; repository not recorded .

Distribution

Falkland Islands: Berkeley Sound.

Magellan Province: Chilean fjord region (this study).

Depth range

10– 197 m.

Type locality

Falkland Islands: Berkeley Sound, 16 m; -52.483333°, -60.6°, 197 m; -53.75°, -61.166667°, 140–150 m ( Schellenberg 1931).

Type specimen location

Swedish Museum of Natural History (Stockholm).

Remarks

Although the specimens are immature, the description by Schellenberg fits well, and his type material has the same small body size.

Figures

Fig. 27. Torometopa cf. crassicornis (Schellenberg, 1931). a. Antenna 1. b. Antenna 2. c. Maxilla 1. d. Maxilla 2. e. Mandible. f. Gnathopd 1. g. Gnathopod 2. h. Gnathopod 1, enlarged. i. Gnathopod 2, ischium to dactylus, also enlarged. Figure not scaled.

Fig. 28. Torometopa cf. crassicornis (Schellenberg, 1931). a. Pereopod 3. b. Pereopod 4. c. Pereopod 5. d. Pereopod 6. e. Pereopod 7. f. Urosome, lateral aspect with uropods 1–3 and telson. Figure not scaled.

Fig. 29. Torometopacf.crassicornis (Schellenberg, 1931), second specimen. a. Pereopod6.b. Pereopod7. c. Urosome with uropods 1–3 and telson. d. Pleon segments with epimeral plates. Figure not scaled.