| stemmops cf. servus ms99 | | Guyana: south of Gunns Landing | | 32967377 |
| stemmops cf. servus ms99 | | Guyana: south of Gunns Landing | | 37925480 |
| stemmops cf. servus ms99 | | Guyana: south of Gunns Landing | | 37963116 |
| stemmops cf. servus ms99 | | Guyana: south of Gunns Landing | | 37963197 |