Pseudocella (Corythostoma) kreisi (Wieser, 1953) Wieser, 1956
Pseudocella elegans (Ditlevsen, 1926) Wieser, 1953
Pseudocella obliqua (Ditlevsen, 1926) Wieser, 1953
Pseudocella tenuis Filipjev, 1946
Thoracostoma bruuni Wieser, 1956
Thoracostoma demani Mawson, 1956 accepted as Deontostoma demani (Mawson, 1956) Hope, 1967
Thoracostoma elongatum Ditlevsen, 1926 accepted as Deontostoma arcticum (Ssaweljev, 1912) Filipjev, 1916
Thoracostoma galatheae Wieser, 1956 accepted as Synonchoides galatheae (Wieser, 1956) Platonova, 1970
Thoracostoma kreisi (Wieser, 1953) accepted as Pseudocella (Corythostoma) kreisi (Wieser, 1953) Wieser, 1956
Thoracostoma schizoepistylium Mawson, 1958
Thoracostoma vallini Allgén, 1928 accepted as Thoracostoma vallini Allgén, 1959
Thoracostoma vallini Allgén, 1959