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TaxNo: 2562Reticuloceras (Swintoceras) spiraloides++
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Reticuloceratidae
Subfamily: Reticuloceratinae
Genus: Reticuloceras
Subgenus: Swintoceras
Species: spiraloides++
Qualifier: ss
Author: Bisat & Hudson 1943,p.407
Lower Boundary: GBY R1a--R1b (R.dubium--R.eoreticulatum), 316 million years
Upper Boundary: GBY R1b--R1c (Ph.nodosum--R.reticulatum), 315.4 million years