Contributed by Andrew Smith, November 2012
| Type | Imbricaster argenciensis sp. nov. Bigot [nomen nudum] |
|---|---|
| Classification and/or Status | Invalid genus based on a nomen nudum species. |
| Remarks | Bigot, A. 1926. Bulletin de la Societe Linneenne de Normandie (Proc. Verbal) Serie 7, 9, p. 22. |