Endothyra is an extinctgenus of fusulinid belonging to the family Endothyridae.[2] Specimens of the genus have been found in Carboniferous beds in North America and many other locations in the world. It was a common and widespread rock-forming fusulinid.[3]
^Phillips, J. On the remains of microscopic animals in the rocks of Yorkshire. Proceedings of the Geological and Polytechnic Society of the West-Riding of Yorkshire. August 1845: 274-302 (1846).
^Loeblich, Alfred R.; Tappan, Helen (1984). "Suprageneric Classification of the Foraminiferida (Protozoa)". Micropaleontology. 30 (1): 1. doi:10.2307/1485456. JSTOR1485456.
^ abScott, Harold W.; Zeller, Edward; Zeller, Doris Nodine (1947). "The Genus Endothyra". Journal of Paleontology. 21 (6): 557–562. JSTOR1299229.
^Harlton, B. H. (1933). "Micropaleontology of the Pennsylvanian Johns Valley shale of the Ouachita Mountains, Oklahoma, and its relationship to the Mississippian Caney shale". Journal of Paleontology. 7 (1): 3–29. JSTOR1298118.