Trochomodulus carchedonius is a species of small sea snail, a marine gastropod mollusc in the family Modulidae.
Description The maximum recorded shell length is .Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLOS One 5(1): e8776. .
Habitat The minimum recorded depth for this species is 0 m; the maximum recorded depth is .
References
Landau B., Vermeij G. K. & Reich S. (2014). Classification of the Modulidae (Caenogastropoda, Cerithioidea), with new genera and new fossil species from the Neogene of tropical America and Indonesia. Basteria. 78(1-3): 1-29.