Revised Benson (1966) taxonomy Richard N. Benson (28/05/2004)
Benson (1983) renamed this species Theocorythium trachelium trachelium on the basis of Nigrini’s (1967, p. 81) discussion regarding acceptance of Ehrenberg’s original description and illustration of Eucyrtidium trachelius.
Presence in the Nordic Seas Jane K. Dolven (19/11/2004)
Theocorythium trachelium is present in the Nordic Seas’ surface sediments, but it is usually very rare.