Stevensites, Zittelites, and Gyrophylloceras, new generic names proposed for Stevensia Énay, 2009, Zittelia Tavera Benitez, 1985, and Gyrophyllites Wiedmann, 1963 (Mollusca: Ammonoidea) 

https://kuscholarworks.ku.edu/handle/1808/26312
Title: Stevensites, Zittelites, and Gyrophylloceras, new generic names proposed for Stevensia Énay, 2009, Zittelia Tavera Benitez, 1985, and Gyrophyllites Wiedmann, 1963 (Mollusca: Ammonoidea) 
Author(s):
Raymond Énay, Michael Howarth
Paleo Publication Type:
KU Paleontological Contributions
Publication Format:
Journal article
Year of publication:
2018