Genus
Sigmoopsis Henningsmoen, 1953
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1118-126 | Sigmoopsis (Sigmoopsis) obliquejugata | Sigmoopsis obliquejugata (Schmidt) | Kukruse Stage | ||||
| TUG 1118-127 | Sigmoopsis (Sigmoopsis) obliquejugata | Sigmoopsis obliquejugata (Schmidt) | Kukruse Stage | ||||
| TUG 1118-128 | Sigmoopsis (Sigmoopsis) obliquejugata | Sigmoopsis obliquejugata (Schmidt) | Kukruse Stage | ||||
| TUG 1118-129 | Sigmoopsis (Sigmoopsis) cornuta | Ceratopsis cornuta (Krause) | Kukruse Stage | ||||
| TUG 1120-19 | Sigmoopsis (Sigmoopsis) cornuta | Ceratopsis platyceras n. sp. | Kukruse Stage | CII | holotype | |||
| GIT 137-16 | Sigmoopsis granulata | Ceratopsis granulata | vabaduse plats | Oandu Stage | holotype | ||
| GIT 137-17 | Sigmoopsis granulata | Ceratopsis granulata | Oandu Stage | ||||
| GIT 137-18 | Sigmoopsis granulata | Ceratopsis granulata | Oandu Stage | ||||
| GIT 137-19 | Sigmoopsis granulata | Ceratopsis granulata | Oandu Stage | ||||
| GIT 138-216 | Jõhvi Substage | holotype |