The organic-walled allogromiid genus Tinogullmia was established by Nyholm (1954) based on a single species, T. hyalina, from the Gullmar Fjord on the Swedish west coast. This distinctive species is characterized by an elongate, smoothly curved test with two terminal apertures located at the ends of tubular extensions. A similar species occurs in Kongsfjord, Svalbard (Gooday et al., 2005). Several other organic-walled allogromiids have been assigned to the genus Tinogullmia but are distinctly different from T. hyalina. A deep-water species from the NE Atlantic, described as Tinogullmia riemanni by Gooday (1990), has a relatively short, asymmetrical...

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