Contributed by Andrew Smith, September 2006
| Name gender | neuter |
|---|---|
| Classification and/or Status | Unavailable name (non Coptosoma Laporte, 1833); = Porosoma Cotteau, 1856. |
| Remarks | Cotteau, G. 1856. Bulletin de la Societe geologique du France Serie 2, 3, p. 648. Desor, E. 1855-1858. Synopsis des échinides fossiles, lxviii + 490 pp., 44 pls. Reinwald, Paris. |