◆バルブクラボルニア・ルエデルセンシス (絶滅) Barbclabornia luedersensis Berman 1970)
syn.Xenacanthus luedersensis Berman 1970 *1970『Vertebrate Fossils from the Lueders Formation, Lower Permian of North-Central Texas:David S.Berman』。 *2003『Dentitions of Barbclabomia [New Genus, Chondrichthyes, Xenacanthiformes] from the Upper Palaeozoic of North America:Gary D.Johnson』。
Genus Bransonella♀ HARLTON 1933 ブランソネルラ属 (絶滅)
当初コノドント類として記載。
◆ブランソネルラ・リングラタ (絶滅) Bransonella lingulata Ivanov & Ginter 1996 *1996『Early Carboniferous Xenacanthids [Chondrichthyes] from Eastern Europe:Alexander O.Ivanov & Michał Ginter』。 *2009『Early Pennsylvanian Xenacanth Chondrichthyans from the Swisshelm Mountains, Arizona, USA:Gary D.Johnson & David William Thayer』。
◆ブランソネルラ・ネブラスケンシス (絶滅) Bransonella nebraskensis (Johnson 1984)
syn.Xenacanthus nebraskensis Johnson 1984 *1984『A New Species of Xenacanthodii [Chondrichthyes, Elasmobranchii] from the Late Pennsylvanian of Nebraska:Gary D.Johnson』。 *2009『Early Pennsylvanian Xenacanth Chondrichthyans from the Swisshelm Mountains, Arizona, USA:Gary D.Johnson & David William Thayer』。 *2017『The Shark-Beds of the Eyam Limestone Formation, Lower Carboniferous, Visean of Steeplehouse Quarry, Wirksworth, Derbyshire, UK:Roy Smith, David Michael Martill & Christopher John Duffin』。
◆ブランソネルラ・トリデンタタ (絶滅) Bransonella tridentata Harlton 1933 *1933『Micropaleontology of the Pennsylvanian Johns Valley Shale of the Ouachita Mountains, Oklahoma, and Its Relationship to the Mississippian Caney Shale:Bruce H.Harlton』。
◆ブランソネルラ・トリブラ (絶滅) Bransonella tribula Elliott & Hodnett 2013 *2013『A New Species of Bransonella [Chondrichthyes, Xenacanthimorpha, Bransonelliformes] from the Middle Permian Kaibab Formation of Northern Arizona:David K.Elliott & John-Paul Michael Hodnett』。