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Reference: R. Lund & E.D. Grogan, 2004

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Lund, R. & Grogan, E.D. 2004. Five new euchondrocephalan Chondrichthyes from the Bear Gulch Limestone (Serpukhovian, Namurian E2b) of Montana, USA. In G. Arratia, M.V.H. Wilson & R. Cloutier (eds.), Recent Advances in the Origin and Early Radiation of Vertebrates: 505-531, 12 figs., 2 tabs.. ≡

New: Original name

†*Bealbonn* (Genus) Lund & Grogan, 2004
†*Bealbonn rogaire* (Species) Lund & Grogan, 2004
†*Gregoriidae* (Family) Lund & Grogan, 2004
†*Gregorius* (Genus) Lund & Grogan, 2004
†*Gregorius rexi* (Species) Lund & Grogan, 2004
†*Srianta* (Genus) Lund & Grogan, 2004
†*Srianta dawsoni* (Species) Lund & Grogan, 2004
†*Srianta iarlais* (Species) Lund & Grogan, 2004
†*Srianta srianta* (Species) Lund & Grogan, 2004
†*Strianta* (Genus) nom. null.

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Last updated: 28 Aug 2026