Family
Acrotretidae Schuchert, 1893
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1142-36 | Uhaku Stage | CIc | |||||
| TUG 1142-47 | Hisingerella unguicula | Siphonotreta unguiculata | Lasnamägi Stage | CIb | ||||
| TUG 1562-34a | Angulotreta postapicalis | Angulotreta postapicalis Palmer, 1954 | Upper Cambrian (old nomenclature) | ||||
| TUG 1562-34b | Angulotreta postapicalis | Angulotreta postapicalis Palmer, 1954 | Upper Cambrian (old nomenclature) | ||||
| TUG 1619-351 | Acrotreta | Acrotreta sp. | Pakerort Stage | Türisalu kihistu | ||||
| TUG 1619-383 | Acrotreta | Acrotreta sp. | Tremadocian | Türisalu kihistu | ||||
| TUG 1619-388-2 | Acrotreta | Acrotreta sp. | Upper Cambrian (old nomenclature) | ||||
| TUG 1619-390 | Acrotreta | Acrotreta sp. | Upper Cambrian (old nomenclature) | ||||
| GIT 216-1 | Eschatelasma rugosum | Eschatelasma rugosum Popov, 1981 | 250.15 | Jaani Stage | holotype | ||
| GIT 216-10 | Eschatelasma rugosum | Eschatelasma rugosum Popov, 1981 | 250.15 | Jaani Stage |