Subgenus

Sigmoopsis (Sigmoopsis) Henningsmoen, 1953

https://files.geocollections.info/large/a5/6d/a56df994-df1c-4591-8d48-6700fb6f848a.jpg

Selection of related publications

Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.

Sidaravičiene, N. 1992. Ordovician ostracods of Lithuania. pp. 1-252. LitNIIGRI.

Maletz, J. 1992. The proximal development in Anisograptis (Graptoloidea, Anisograptidae). Paläontologische Zeitschrift 66, 3-4, 297-309. DOI:10.1007/BF02985821

Nõlvak, J. 1972. A characterization of the boundary beds of the Kukruse and Idavere stages in the Lipu boring.Loodusuurijate Seltsi Aastaraamat , pp. 39-59. Loodusuurijate Selts.

Öpik, A. 1937. Ostracoda from the Ordovician Uhaku and Kukruse formations of Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 50, 1-58.

List of species

1. Sigmoopsis (Sigmoopsis) cornuta (Krause, 1897) | Kukruse Stage→Oandu Stage

2. Sigmoopsis (Sigmoopsis) kernavensis Sidaravičiene, 1992 | Oandu Stage→Rakvere Stage

3. Sigmoopsis (Sigmoopsis) obliquejugata (Schmidt, 1858) | Uhaku Stage→Idavere Substage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Crustacea
Class	Ostracoda
Order	Beyrichicopida
Suborder	Palaeocopa
Superfamily	Hollinacea
Family	Tetradellidae
Subfamily	Sigmoopsinae
Genus	Sigmoopsis
Subgenus	(Sigmoopsis)
Species	cornuta
	kernavensis
	obliquejugata
Subgenus	(Sigmoopsoides)
Species	granulata
	platyceras
	rostrata

References based on distribution

Sidaravičiene, 1992 Vangishki 205 borehole 445.9 - 448.8
Sidaravičiene, 1992 Leliai 284 borehole 475.7 - 481.8
Sidaravičiene, 1992 Paukšciai 192 borehole 557 -
Sidaravičiene, 1992 705.9 - 706.9
Sidaravičiene, 1992 Vangishki 205 borehole 419 - 422.7
Butkunai 241 borehole 644 -