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TaxNo: 3284Metalegoceras colemanense
Suborder: Goniatitina
Superfamily: Neoicoceratoidea
Family: Metalegoceratidae
Subfamily: Metalegoceratinae
Genus: Metalegoceras
Species: colemanense
Qualifier: ss
Author: Plummer & Scott 1937,p.282
Lower Boundary: UTX San Andres Lst. base, 284.4 million years
Upper Boundary: UTX San Andres Lst. top, 270.6 million years