Brachiopoda
Genus

Obolus Eichwald, 1829

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Aiheeseen liittyvät julkaisut
Lang, L. 2015. Baculate shell structure in Early Palaeozoic linguliform brachiopods.Dissertationes Geologicae Universitatis Tartuensis 40 , 1-113.
Lang, L., Uibopuu, E., Puura, I. 2011. Nanostructures in Palaeozoic linguloid brachiopods.Memoirs of the Association of Australasian Palaeontologists 41 , 359−366.
Popov, L. E., Holmer, L. E. 2003. Understanding linguloid brachiopods: Obolus and Ungula as examples.Carnets de Géologie , 6,1-13.
Puura, I. 1996. Lingulate brachiopods and biostratigraphy of the Cambrian-Ordovician boundary beds in Baltoscandia.Doctoral Thesis , pp. 1-214.
Kaljo, D., Borovko, N., Heinsalu, H., Khazanovich, K., Mens, K., Popov, L., Sergejeva, S., Sobolevskaya, R., Viira, V. 1986. The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR).Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 35 , 3,97-108. DOI:10.3176/geol.1986.3.01
Khazanovich, K. K., Popov, L. E., Melnikova, L. M. 1984. Bezzamkovye brahiopody, ostrakody (bradoriidy) i hiolitel'minty iz sablinskoj svity Leningradskoj oblasti.Paleontologicheski Zhurnal 4 , 33-47.
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. DOI:10.5962/bhl.title.52391
List of species
1. Obolus apollinis Eichwald, 1829 | Upper Cambrian (old nomenclature)Tremadocian
2. Obolus eichwaldi (Mickwitz, 1896) | Upper Cambrian (old nomenclature)Tremadocian
4. Obolus ruchini Khazanovitch et Popov, 1984 | Baltic Middle Cambrian
5. Obolus transversus (Pander, 1830) | Baltic Middle Cambrian
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