Observations on the genus Mysidopsis Sars, 1864 with the designation of a new genus, Americamysis, and the descriptions of Americamysis alleni and A. stucki (Peracarida: Mysidacea: Mysidae), from the Gulf of Mexico. Proceedings of the Biological Society of Washington, 107(4), 30 December 1994: 680-698. 681 [Zoological Record Volume 131]