Another new species of Glossocephalus (Crustacea: Amphipoda: Hyperiidea Oxycephalidae) from the Monterey Bay region, California, USA Author Zeidler, Wolfgang Author Browne, William E. text Zootaxa 2023 2023-01-16 5228 4 448 454 journal article 226126 10.11646/zootaxa.5228.4.4 081ca37d-8ff2-4168-9970-04d93af3c060 1175-5326 7539978 B771EEFF-4C62-41A0-A1C4-D0AB7EB93ACA Key to the species of the genus Glossocephalus Bovallius, 1887 1. Eyes occupying most of head surface, except for rostrum...................................................... 2 - Eyes composed of ocelli grouped in crescent-shaped organ restricted to back half of head.................................................................................................... G. rebecae Zeidler & Browne, 2015 2. Eyes bulbous with large crescent-shaped, strongly pigmented photoreceptor fields. Head relatively large, as long as first 5 pereonites combined, with sharp rostrum. Gnathopods with blade-like carpus. Pereopods 3 and 4 shorter than P5. Pereopods 5 and 6 with slender articles.............................................................. G. aurantium sp. nov. - Eyes not especially bulbous with narrow crescent-shaped photoreceptor fields. Head only as long as first 3.5 pereonites combined, with rounded rostrum. Gnathopods with spoon-shaped carpus. Pereopods 3 and 4 longer than P5, with very slender articles. Pereopods 5 and 6 with relatively broad, paddle-like, articles................. G. milneedwardsi Bovallius, 1887