(Costa, 1856) Discospirinidae Holocene recent Unknown unknown HMS Challenger Collection identified by scientist 1 / FEU-1002631 | (Costa, 1856) Discospirinidae Holocene recent Celtic Seas Porcupine Station 24 HMS Challenger Collection identified by scientist 2 / FEU-1002632 | (Costa, 1856) Discospirinidae Holocene recent Unknown unknown HMS Challenger Collection identified by scientist 3 / FEU-1002633 | (Carpenter, 1870) Discospirinidae Holocene recent South of Iceland Reykjanes Ridge Senckenberg am Meer identified by M. Hesemann 4 / FEU-1017859 |