Trilobita
Family

Styginidae Vogdes, 1893

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Aiheeseen liittyvät julkaisut
Pärnaste, H., Bergström, J., Zhou, Z.-Y. 2013. High-resolution trilobite stratigraphy of the Lower-Middle Ordovician Öland Series of Baltoscandia. Geological Magazine 150, 3, 509–518. DOI:10.1017/S0016756812000908
Stein, M., Bergström, J. 2010. Some lower Middle Ordovician species of Asaphus (Trilobita) from Sweden. GFF 132, 2, 105–116. DOI:10.1080/11035897.2010.486478
Nielsen, A. 1995. Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Formations, southern Scandinavia. Fossils and Strata 38, 1-374. DOI:10.18261/8200376583-1995-01
Skjeseth, S. 1955. The Middle Ordovician of the Oslo Region, Norway: 5. The Trilobite Family Styginidae. Norsk Geologisk Tidsskrift 35, 9-28.
Luha, A. 1939. Paar uut kivistist Saaremaa lademeist. Eesti Loodus VII, 2/3, 98-99.
Öpik, A. 1937. Trilobiten aus Estland. Tartu Ülikooli Geoloogia Instituudi Toimetused 52, 1-163.
Schmidt, Fr. 1904. Revision der ostbaltischen silurischen Trilobiten. Abt. V. Asaphiden. Lief III. Enthaltend die Gattungen Ptychopyge (Pseudasaphus, Basilicus und Ptychopyge sens. str.), Ogygia und Nileus. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 14, 10, 1-68.
Holm, G. 1886. Die ostbaltischen Illaeniden.Revision der ostbaltischen Trilobiten. Abt. III. Illaeniden , pp. 1–173.