†Palaeospiculum arcussimile Won and Below 1999 (radiolarian)
Radiolaria - Spumellaria - Palaeospiculumidae
Full reference: M.-Z. Won and R. Below. 1999. Cambrian Radiolaria from the Georgina Basin, Queensland, Australia. Micropaleontology 45(4):325-363
Belongs to Palaeospiculum according to M.-Z. Won and R. Below 1999
Sister taxa: Palaeospiculum burkensis, Palaeospiculum dendroeides, Palaeospiculum devoncourtensis, Palaeospiculum georginaensis, Palaeospiculum greenpointensis, Palaeospiculum grosmorensis, Palaeospiculum hexaradiatum, Palaeospiculum martinpointensis, Palaeospiculum parvum, Palaeospiculum radiatum, Palaeospiculum reedae, Palaeospiculum tetraradiatum
Type specimen: 7306J-2373, a test
Ecology: passively mobile planktonic omnivore