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Upper Cretaceous ammonites from the Carnarvon Basin of Western Australia. 1, The Heteromorph Lytoceratina

Created 16/10/2025

Updated 16/10/2025

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This Bulletin is the first part of a monograph on the Upper Cretaceous Ammonoidea of the Carnarvon Basin, and deals with the Heteromorph Lytoceratina of Santon-Campanian and Maastrichtian age. It is proposed to subdivide the Heteromorph Lytoceratina further by removing a number of genera from Turrilitaceae to form a new superfamily Diplomocerataceae. It is shown that Diplomocerataceae are derived from Cicatritidae, whereas Turrilitaceae stem from Macroscaphitidae. Diplomocerataceae are represented in Western Australia by the genera Hyphantoceras Hyatt, Diplomoceras Spath, Bostrychoceras Hyatt, and Eudiplomoceras nov.; Turrilitaceae by Baculites Lamarck, Eubaculites Spath, Giralites nov., Eubaculiceras nov., Cardabites nov., Nostoceras Hyatt, Glyptoxoceras Spath, and Neohamites novo Scaphitaceae are represented by a single specimen of a new species of lndoscaphites Spath. Thirty species of the above 13 genera are described, 17 of which are new.

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Title Upper Cretaceous ammonites from the Carnarvon Basin of Western Australia. 1, The Heteromorph Lytoceratina
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/9765097b-d486-484d-8992-4bbf678b6063
Contact Point
Geoscience Australia Data
clientservices@ga.gov.au
Reference Period 20/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
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Data Portal Geoscience Australia

Data Source

This dataset was originally found on Geoscience Australia "Upper Cretaceous ammonites from the Carnarvon Basin of Western Australia. 1, The Heteromorph Lytoceratina". Please visit the source to access the original metadata of the dataset:
https://ecat.ga.gov.au/geonetwork/srv/eng/csw/dataset/upper-cretaceous-ammonites-from-the-carnarvon-basin-of-western-australia-1-the-heteromorph-lyto