On some Upper Cretaceous ammonites from western Uzbekistan

Author:

Ward David J.12,King Chris,Morris Noel J.13,Kennedy William James4

Affiliation:

1. Science Group, Natural History Museum, Cromwell Road, London, SW7 5BD, UK

2. Crofton Court, 81 Crofton Lane, Orpington, Kent BR5 1HB, UK

3. e-mail: niccamore@gmail.com

4. Oxford University Museum of Natural History, Parks Road, Oxford OX1 3PW, UK, and Department of Earth Sciences, South Parks Road, Oxford OX1 3AN, UK

Abstract

Upper Cretaceous ammonites are described from six horizons in the mammal-bearing terrigenous-clastic sequences of western Uzbekistan, as follows: Upper Cenomanian, with Placenticeras sp. juv. cf. cumminsi Cragin, 1893 and Metoicoceras geslinianum (d’Orbigny, 1850); Lower Turonian with Tragodesmoceras cf. mauryae Kennedy and Wright, 1981, Placenticeras kharesmense (Lahusen, 1884), Watinoceras coloradoense (Henderson, 1908), Watinoceras amudariense (Arkhangelsky, 1916b), Metasigaloceras rusticum (J. Sowerby, 1823), Morrowites wingi (Morrow, 1935), Sciponoceras cf. bohemicum bohemicum (Fritsch, 1872), and Yezoites amudariensis (Arkhangelsky, 1916b); Middle Turonian with Collignoniceras woollgari woollgari (Mantell, 1822); Upper Turonian with Lewesiceras mantelli (Wright and Wright, 1951) and Placenticeras crassum Ilyin, 2020; a single Placenticeras semiornatum (d’Orbigny, 1850) from around the Coniacian/Santonian boundary, and Santonian Placenticeras polyopsis (Dujardin, 1837).

Publisher

Polish Academy of Sciences Chancellery

Subject

Geology

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