Reptilia - Saurischia - Elongatoolithidae
Synonym: Spongioolithus hirschi Bray 1999
Full reference: D. K. Zelenitsky, L. V. Hills, and P. J. Currie. 1996. Parataxonomic classification of ornithoid eggshell fragments from the Oldman Formation (Judith River Group; Upper Cretaceous), southern Alberta. Canadian Journal of Earth Sciences 33:1655-1667
Belongs to Continuoolithus according to J. Hedge et al. 2025
See also Agnolin et al. 2012, Bray 1999, Currie and Koppelhus 2015, Fernández 2016, Jackson and Varricchio 2010, Sellés et al. 2014, Tanaka et al. 2011, Varricchio et al. 2002, Zelenitsky 2000, Zelenitsky et al. 1996 and Zelenitsky and Sloboda 2005
Sister taxa: none
Type specimens:
- Continuoolithus canadensis: RTMP 94.157.61, an egg. Its type locality is Little Diablo's Hill, Devil's Coulee, which is in a Campanian terrestrial mudstone in the Oldman Formation of Canada.
- Spongioolithus hirschi: UCM 47620, an egg (eggshell fragments). Its type locality is One Egg Locality, which is in a Maastrichtian terrestrial horizon in the North Horn Formation of Utah.
Ecology: ground dwelling carnivore
Distribution:
• Cretaceous of Canada (10: Alberta collections), United States (12: Montana, Utah)
Total: 22 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.