Species
Sigmoopsis (Sigmoopsis) obliquejugata (Schmidt, 1858)
Synonymy list
1909 Ceratopsis schmidti — Bonnema , pp. 39, fig. 6:1-6
1937 Ceratopsis obliquejugata — Öpik , pp. 25, fig. 14:6
1953 Sigmoopsis obliquejugata (Schmidt) — Henningsmoen , pp. 205
1959 Sigmoopsis obliquejugata (Schmidt) — Sarv , pp. 113-115, fig. 20:12-15
1966 Sigmoopsis obliquejugata (Schmidt) — Männil , pp. 53
1976 Sigmoopsis obliquejugata (Schmidt) — Jaanusson , pp. 312-313
1982 Sigmoopsis (Sigmoopsis) obliquejugata (Schmidt) — Schallreuter , pp. 13
1992 Sigmoopsis (Sigmoopsis) obliquejugata (Schmidt, 1858) — Sidaravičiene , pp. 47-48, fig. 10:8
Selection of related publications
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R.. ENSV TA Geoloogia Instituudi Uurimused IV, 1-210.
Neckaja, A. I. 1953. Tetradellidy ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) 309-363. Gostoptehizdat.
Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 50, 1-58.
Öpik, A. 1935. Amphipora ramosa (Phill.) in the Marine Devonian of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 41, 1-7.
Bonnema, J. H. 1909. Beiträge zur Kenntnis der Osrtacoden der Kuckersschen Schicht (C2). Mitteilungen Mineralogisch-Geologischen Instituts In Groningen 2, 1, 1-84.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Superclass | Oligostraca |
| Class | Ostracoda |
| Subclass | Podocopa |
| Order | Palaeocopida |
| Suborder | Beyrichicopina |
| Superfamily | Tetradelloidea |
| Family | Tetradellidae |
| Subfamily | Sigmoopsinae |
| Genus | Sigmoopsis |
| Subgenus | (Sigmoopsis) |
| Species | cornuta |
| kernavensis | |
| obliquejugata |
References based on distribution
- Sidaravičiene, 1992 Paukšciai 192 borehole 557 -
- Neckaja, 1953 Aluvere quarry
- Öpik, 1935a Vanamõisa, Harjumaa