LIST OF SPECIES IN SYSTEMATIC ORDER, WITH SYNONYMIES 27 



Genus Mysidetes microps sp.n. 

 Mysidetes macrops sp.n. 

 Mysidetes intermedia sp.n. 

 Mysidetes patagonica sp.n. 

 Mysidetes anomala sp.n. 

 Mysidetes dimorpha sp.n. 



Genus Mysidopsis G. O. Sars, 1864 = Paramysidopsis Zimmer, 191 2. 

 Mysidopsis acuta Hansen, 1913. 



Mysidopsis similis (Zimmer), 1912 as Paramysidopsis similis. 

 Mysidopsis major (Zimmer) as Paramysidopsis major, 1912. 

 Mysidopsis schultzei (Zimmer) as Paramysidopsis schultzei, 1912. 

 Mysidopsis camelina sp.n. 



Genus Leptomysis G. O. Sars, 1869. 

 Leptomysis apiops G. O. Sars, 1877. 

 Leptomysis capensis Ulig, 1906. 

 Leptomysis megalops Zimmer, 191 5. 



Genus Afromysis Zimmer, 1916. 

 Afromysis hansom Zimmer, 1916. 



Tribe MYSINI 



Genus Mysis Latreille, 1802-3 = Megalophthalmus Leach, ifyo = Onychomysis Czerniavsky, 1882 = Michtheimysis 

 Norman, 1 902 = Mesomysis Norman, 1905 = Pugetomysis Banner, 1953. 

 Mysis australe sp.n. 



Genus Neomysis Czerniavsky, 1882 = Heteromysis Czerniavsky, 1882. 

 Neomysis patagona Zimmer, 1907. 

 Neomysis monticellii Colosi, 1924. 



Genus Antarctomysis Coutiere, 1907. 



Antarctomysis maxima (Hansen in MS.) Holt and Tattersall, 1906. 



Antarctomysis ohlini Hansen 1908 = Antarctomysis sp. Tattersall, 1908. 

 Genus Arthromysis Colosi, 1924. 



Arthromysis magellanica (Cunningham), 1871 as Macromysis magellanica = Antarctomysis sp. Zimmer, 19156 

 = Arthromysis chierchiae Colosi, 1924. 



SYSTEMATIC REPORT 



Order MYSIDACEA 



Suborder Lophogastrida 



Family LOPHOGASTRIDAE 



Genus Chalaraspidum W.-Suhm 



1874 Chalaraspis W.-Suhm, p. 592. 



18856 Chalaraspis, G. O. Sars, p. 50. 



1895 Chalaraspidum W.-Suhm (in Murray, 1895, p. 521, from MS. dated 1874). 

 1895 Eclytaspis Faxon, p. 219. 

 1 89 1 Chalaraspidum, W. M. Tattersall, p. 13. 



Remarks. The genus Chalaraspidum very closely resembles Lophogaster, but may be distinguished 

 from it by the form of the rostral plate which is broad and relatively short, with the transverse anterior 

 margin either quite straight or very slightly emarginate in its median region. There is no trace of the 

 tndentate form which is so characteristic of Lophogaster, but the antero-lateral angles may, at least in 

 the females, be produced into an acute process on each side. The anterior margin and the lateral 



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