Cephalopoda - Ceratitida - Gyronitidae
Synonyms: Gyronites nangaensis Waagen 1895, Gyronites psilogyrus Waagen 1895, Gyronites spiralis Waterhouse 1996, Lecanites psilogyrus Waagen 1895, Lecanites undatus Waagen 1895, Prionolobus compressus Waagen 1895, Prionolobus plicatilis Waagen 1895, Prionolobus plicatus Waagen 1895, Xenodiscus khoorensis Krafft and Diener 1909, Xenodiscus lilangensis von Krafft 1909
Full reference: W. Waagen. 1895. Fossils from the Ceratite Formation. Salt Range Fossils, Palaeontologia Indica, Series 13 2(1):1-323
Belongs to Gyronites according to J. F. Jenks et al. 2025
See also Brühwiler et al. 2008, Dai et al. 2023, Spath 1934, Tozer 1962, Waagen 1895, Ware and Bucher 2018 and Ware and Bucher 2018
Sister taxa: Gyronites arenosus, Gyronites bullatus, Gyronites dubius, Gyronites levilatus, Gyronites plicosus, Gyronites radians, Gyronites recentis, Gyronites rigidus, Gyronites schwanderi, Gyronites sitala, Gyronites subdharmus
Type specimens:
- Gyronites frequens: Its type locality is West of Khoora, lowest beds of Lower Ceratite Limestone, Salt Range, which is in a Dienerian carbonate limestone in the Lower Ceratite Limestone Formation of Pakistan
- Gyronites nangaensis: Its type locality is Nanga, lowest Lower Ceratite Limestone, Salt Range, which is in a Dienerian marine sandstone in the Lower Ceratite Limestone Formation of Pakistan.
- Gyronites spiralis:
- Lecanites psilogyrus: Its type locality is West of Khoora, lowest beds of Lower Ceratite Limestone, Salt Range, which is in a Dienerian carbonate limestone in the Lower Ceratite Limestone Formation of Pakistan.
- Lecanites undatus:
- Prionolobus compressus: Its type locality is Nanga, lowest Lower Ceratite Limestone, Salt Range, which is in a Dienerian marine sandstone in the Lower Ceratite Limestone Formation of Pakistan.
- Prionolobus plicatilis: Its type locality is Sheik-Budin, Lower Ceratite Limestone, which is in a Dienerian carbonate limestone in the Lower Ceratite Limestone Formation of Pakistan.
- Prionolobus plicatus:
- Xenodiscus khoorensis:
- Xenodiscus lilangensis:
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 35.7
Distribution:
• Triassic of China (1 collection), India (5), Pakistan (15), United States (3: Nevada)
Total: 24 collections including 26 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.