Caecum trachea is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae. Description The shell size varies between 2 mm and 4 mm Distribution This species is distributed on rocky shores in European waters from Norway to the Canaries, in the Mediterranean Sea and in the Black Sea References de Kluijver, M.J.; Ingalsuo, S.S.; de Bruyne, R.H. (2000). Macrobenthos of the North Sea [CD-ROM]: 1. Keys to Mollusca and Brachiopoda. World Biodiversity Database CD-ROM Series. Expert Center for Taxonomic Identification (ETI): Amsterdam, The Netherlands. Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213 External links Caecidae Gastropods described in 1803