| Name | Acanthothecium Spegazzini |
| Authorship | Spegazzini |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Sordariomycetes |
| Contains | Acanthothecium sp. |
| Remarks | Type: A. mirabile Spegazzini |
| Citation | Jul 1889 Bol. Acad. Nac. Ci. 11: 606 |
| Name | Acanthothecium Spegazzini |
| Authorship | Spegazzini |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Sordariomycetes |
| Contains | Acanthothecium sp. |
| Remarks | Type: A. mirabile Spegazzini |
| Citation | Jul 1889 Bol. Acad. Nac. Ci. 11: 606 |