Genus
Tvaerenella Jaanusson, 1957
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1120-50 | Tvaerenella tuberculata | Primitiella granosa | Kukruse Stage | CII | holotype | |||
| TUG 1120-52 | Kukruse Stage | CII | paratype | ||||
| TUG 1120-91 | Tvaerenella tuberculata | Primitiella granosa | Kukruse Stage | CII | holotype | |||
| TUG 1120-92 | Tvaerenella tuberculata | Primitiella granosa | Kukruse Stage | CII | ||||
| TUG 1120-94 | Tvaerenella tuberculata | Apatochilina ubjaensis | Kukruse Stage | CII | ||||
| TUG 1120-95 | Tvaerenella tuberculata | Primitiella indistincta | Kukruse Stage | CII | ||||
| TUG 1305-21 | Tvaerenella modesta | Tvaerenella modesta Sarv, 1959 | |||||
| TUG 1305-22 | Tvaerenella modesta | Tvaerenella modesta (Sarv, 1959) | |||||
| GIT 137-12 | Tvaerenella longa | Primitiella longa | holotype | ||||
| GIT 137-13 | Tvaerenella magna | Primitiella magna | holotype |