This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
H. Astibia, 2013 - Sponges and corals from the Middle Eocene (Bartonian) marly formations of the Pamplona Basin (Navarre, western Pyrenees): taphonomy, taxonomy, and paleoenvironments - Facies (), - (journal article, English)
W. Kiessling, 2003 - Personal data - (), - (unpublished, English)
G. Wienrich, 1997 - Die Fauna des marinen Miozäns von Kevelaer (Niederrhein). Band 1 Foraminiferen, Anthozoen. - Backhuys Publishers, Leiden (1), 1-187 (serial monograph, German)
F. R. Sullivan, 1962 - Foraminifera from the type section of the San Lorenzo Formation, Santa Cruz County, California - University of California Publications in Geological Sciences (37), 233-352 (serial monograph, English)
L. R. Laughbaum, 1960 - A Paleoecologic Study of the Upper Denton Formation, Tarrant, Denton, and Cooke Counties, Texas - Journal of Paleontology (34), 1183-1197 (journal article, English)