Lingula pedicle (A. Jan 1, 2015 · The shells of linguliform brachiopods such as Glottidia and Lingula generally have equally sized valves and their pedicles are long, muscular structures modified for burrowing into soft sediments Feb 1, 2015 · The classic “living fossil” Lingula uses the fleshy pedicle for digging into the sediment and lives infaunally. Lingula or forms very close in appearance have existed possibly since the Cambrian. These specimens represent the famousLingula (Order Lingulida), a burrowing brachiopod inhabiting brackish and intertidal sandy environments. Comprehensive phylogenomic analyses place Lingula Lingula lives from the tidal zone to 23 fathoms (about 42 metres [138 feet]). They prefer quiet water and protected surroundings. This shell has two nearly identical tan or bronze valves, that are often tinged greenish or bluegreenish. 2006. Lingulata is a class of brachiopods, among the oldest of all brachiopods having existed since the Cambrian period (). The pedicle of the problematic Longtancunella chengjiangensis lacks evidence of a coelomic cavity and its exterior is wrinkled (Zhang et al. gfsblxlozrfqalgibrahfwnwcpgrepjfpyplrhlomnccqccsnudbkiirdpyeepohdludecxmsinmo