‘Alien goldfish’ may have been unique mollusc, say scientists
Nicola Davis, The Guardian, September 22, 2022
New clue found in 'alien goldfish' suggests it may have been a mollusk
by Bob Yirka , Phys.org
The open access paper is:
Conway Morris, S. and Caron, J.B., 2022. A possible home for
a bizarre Carboniferous animal: is Typhloesus a pelagic gastropod?.
Biology Letters, 18(9), p.20220179.
Another paper:
Conway Morris, S., 1990. Typhloesus wellsi (Melton and Scott,
1973), a bizarre metazoan from the Carbonifer