Some additional data about the NE Atlantic Triphoridae are given, concerning the publication about this subject by Van der Linden (1994), in which some characters of these Triphoridae have been under- or overexposed; for instance outline and suture are more variable within some species. All the “paunchy” species are always somewhat swollen, but some slender species are occasionally paunchy too. The same regards the suture: a clear visible suture is always present on species known for it, but species with a hidden suture do not have this characteristic. The colour of the shell is often more important than previously stated. There are three colour-schemes: unicoloured, with blotches, and ""articulated"" i.e. background and knobs light, spiralcords between the tubercles dark. These colour-types are of ten interspecific. There is no reason to collect protoconchs, even with a large part of the teleoconch, because they give no significant information, with the exception of the protoconch of Obesula marisnostri which has exclusively one spiralline on each whorl, but on its teleoconch there are sufficient features for identification. Only the last whorl of a triphorid (European) is very important for its fourth spiralcord, smooth or tuberculated; the first basal line, knobbed or smooth and the spiralcords just before the edge of the aperture, splitting or not. I have indicated that there are at least six species which can be found in shell grit washed ashore on the beaches of Europe: Marshallora adversa, Cheirodonta pallescens, Monophora erythrosoma, Monophorus thiriotae, Monophorus perversus and Pogonodon pseudocanaricus, apart trom Similiphora similior, as shell hard to separate from Marshallora adversa. Finally a key to the species is given.