Trachelochetus desmius is an extinct species of sea snails, a marine gastropod mollusc in the family Clavatulidae. MNHN, Paris: Trachelochetus desmius
Distribution Fossils of this marine species were found in Eocene strata in Hampshire, Great Britain
References
Cossmann (M.), 1896 - Essais de Paléoconchologie comparée (2ème livraison), p. 1-179 Wenz (W.), 1943 - Handbuch der Paläozoologie. Gastropoda, 6., p. 1201-1506 (