Genus
Tvaerenella Jaanusson, 1957
Selection of related publications
Kivioja, K. 2007. Osmussaare settesoonte ostrakoodifauna [Magistritöö. Juhendaja: O. Tinn]. pp. . Tartu Ülikool.
Meidla, T. 1996. Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2. pp. 1-222. Tartu University Press.
Schallreuter, R. 1981. Ordovician ostracodes from Baltoscandia. GFF 103, 1, 61-71. DOI:10.1080/11035898109455206
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.
Sarv, L. I. 1962. Ostracods from the Porkuni stage and Llandovery of Estonia. ENSV TA Geoloogia Instituudi Uurimused IX, 95-141.
Sarv, L. 1959. Ordovician ostracodes in the Estonian S.S.R.. ENSV TA Geoloogia Instituudi Uurimused IV, 1-210.
Jaanusson, V. 1957. Middle Ordovician Ostracodes of Central and Southern Sweden. Bulletin of the Geological Institutions of the University of Uppsala 37, 17, 173-442.
Thorslund, P. 1940. On the Chasmops series of Jämtland and Södermanland (Tvären). Sveriges Geologiska Undersökning 1-191.
List of species
1. Tvaerenella carinata (Thorslund, 1940) | Upper Ordovician
3. Tvaerenella granosa (Öpik, 1937) | Kukruse Stage
4. Tvaerenella longa (Sarv, 1956) | Keila Stage
5. Tvaerenella magna (Sarv, 1956) | Oandu Stage
6. Tvaerenella modesta Sarv, 1959 | Kunda Stage
7. Tvaerenella plana (Krause, 1889) | Porkuni Stage
8. Tvaerenella postpleta Schallreuter, 1981 | Middle Ordovician
9. Tvaerenella pulex (Öpik, 1937) | Kukruse Stage
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Arthropoda |
Subphylum | Crustacea |
Superclass | Oligostraca |
Class | Ostracoda |
Subclass | Podocopa |
Order | Palaeocopida |
Suborder | Beyrichicopina |
Palaeocopa | |
Superfamily | Hollinacea |
Family | Tvaerenellidae |
Subfamily | Tvaerenellinae |
Genus | Duringia |
Euprimites | |
Otraczetia | |
Piretia | |
Piretilina | |
Retiprimites | |
Tvaerenella | |
Species | carinata |
expedita | |
granosa | |
longa | |
magna | |
modesta | |
plana | |
postpleta | |
pulex | |
stossmeisteri | |
umbilicata | |
Genus | Uhakiella |
Vendona |