01 Paragnathia formica

01 Paragnathia formica

Male, length 5 mm. Dorsal view.
m: mandible. a: biramous antenna. c: cephalon. r-r-r: peraeon. l-l pleon. 1-5: peraeopods. Photographed live with adhering mud. Dec. 2010. Tidal River Dee, Wales. Salinity 0.5p.p.th.