Ampithoe rubricata
From the collection of Yale Peabody Museum. Free to download, adapt and use — no permission needed.
Collection locality: in pools, New Haven County, Connecticut, USA. Collected by Verrill, A. E., 1874-09-29. IZ number 7784; lot count 6; specimen; Microslide 01, balsam, upper lip; Microslide 01, balsam, lower lip; Microslide 01, balsam, mandible; Microslide 01, balsam, maxilla 1; Microslide 01, balsam, maxilla 2; Microslide 01, balsam, maxilliped; Microslide 02, balsam, antenna 1; Microslide 02, balsam, antenna 2; Microslide 02, balsam, gnathopod 1; Microslide 02, balsam, gnathopod 2; Microslide 02, balsam, coxa 5; Microslide 03, balsam, pereopod 3; Microslide 03, balsam, pereopod 4; Microslide 03, balsam, pereopod 5; Microslide 03, balsam, pereopod 6; Microslide 03, balsam, pereopod 7; Microslide 04, balsam, head; Microslide 04, balsam, uropod 1; Microslide 04, balsam, uropod 2; Microslide 04, balsam, uropod 3; Microslide 04, balsam, telson; male.
Yale Peabody Museum’s own description