What is "photis"

Photis is a genus of amphipod crustaceans, containing the following species:

• Photis aequimanus Schellenberg, 1925
• Photis africana Schellenberg, 1925
• Photis aina J. L. Barnard, 1970
• Photis albus Budnikova, 1985
• Photis angustimanus Ren, 2006
• Photis antennata Chevreux, 1926
• Photis ariakensis (Hirayama, 1984)
• Photis baeckmannae Gurjanova, 1951
• Photis beringiensis Tzvetkova, 1980
• Photis bifurcata J. L. Barnard, 1962
• Photis brevicaudatus (Norman, 1867)
• Photis brevipes Shoemaker, 1942
• Photis californica Stout, 1913
• Photis cavimana Ledoyer, 1979
• Photis chiconola J. L. Barnard, 1964
• Photis coeca J. L. Barnard, 1962
• Photis conchicola Alderman, 1936
• Photis davei Myers, 2009
• Photis dentata Shoemaker, 1945
• Photis dolichommata Stebbing, 1910
• Photis elephantis J. L. Barnard, 1962
• Photis fischmanni Gurjanova, 1951
• Photis goreensis Schellenberg, 1925
• Photis hawaiensis J. L. Barnard, 1955
• Photis inornatus Myers et al., 2012
• Photis japonica Hirayama, 1984
• Photis kapapa J. L. Barnard, 1970
• Photis kurilica Gurjanova, 1955
• Photis lacia J. L. Barnard, 1962
• Photis lamellifera Schellenberg, 1928
• Photis lamina Hirayama, 1984
• Photis linearmanus Conlan, 1994
• Photis longicaudata (Bate & Westwood, 1862)
• Photis longidactyla Griffiths, 1974
• Photis longimana Walker, 1904
• Photis longipes (Della Valle, 1893)
• Photis macinerneyi Conlan, 1983
• Photis macrocarpa Stebbing, 1888
• Photis macromana McKinney et al., 1978
• Photis macrotica J. L. Barnard, 1962
• Photis malinalco J. L. Barnard, 1967
• Photis melanica McKinney, 1980
• Photis nana (Walker, 1904)
• Photis nataliae Bulycheva, 1952
• Photis nigricola Lowry, 1979
• Photis obesa Chevreux, 1926
• Photis oligochaeta Conlan, 1983
• Photis pachydactyla Conlan, 1983
• Photis paeowai Myers, 1995
• Photis parvidons Conlan, 1983
• Photis phaeocula Lowry, 1979
• Photis pirloti Myers, 1985
• Photis pollex Walker, 1895
• Photis producta (Stimpson, 1856)
• Photis pugnator Shoemaker, 1945
• Photis reinhardi Krøyer, 1842
• Photis serae Souza-Filho & Serejo, 2010
• Photis sinensis Ren, 2006
• Photis spasskii Gurjanova, 1951
• Photis spinicarpa Shoemaker, 1942
• Photis strelkovi Gurjanova, 1953
• Photis tenuicornis Sars, 1882
• Photis tropherus Thomas & J. L. Barnard, 1991
• Photis typhlops Conlan, 1994
• Photis uncinata K. H. Barnard, 1932
• Photis vinogradovi Gurjanova, 1951
• Photis viuda J. L. Barnard, 1962
• Photis zhujiangensis Ren, 2006