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TaxNo: 1628Tornoceras astarte
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Tornoceratinae
Genus: Tornoceras
Species: astarte
Qualifier: sy
Author: Clarke 1885,pl.2
Valid: Tornoceras uniangulare (Conrad 1842)
Lower Boundary: mid.--up.varcus Zone [17,00], 389 million years
Upper Boundary: UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years