The late Albian marine fossil record from eastern Australia derives from the sedimentary succession of the Great Artesian Basin deposited in a vast epicontinental sea which then covered much of the continent (see Frakes et al., 1987). Ammonites of this age are common but their generic diversity is low. Heteromorph assemblages almost exclusively comprise the taxa Myloceras, Labeceras sensu stricto and Labeceras (Appurdiceras) of the Family Labeceratidae that were widely distributed in higher latitudes of the Southern Hemisphere during Late Albian time (see Aguirre Urreta and Riccardi, 1988; Klinger, 1989). Some 19 endemic species of...
IDANOCERAS, A NEW HETEROMORPH AMMONITE GENUS FROM THE LATE ALBIAN OF EASTERN AUSTRALIA
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ROBERT A. HENDERSON, E. DONALD McKENZIE; IDANOCERAS, A NEW HETEROMORPH AMMONITE GENUS FROM THE LATE ALBIAN OF EASTERN AUSTRALIA. Journal of Paleontology 2002;; 76 (5): 906–909. doi: https://doi.org/10.1666/0022-3360(2002)076<0906:IANHAG>2.0.CO;2
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