Family uncertain Genus Lessiniabatis♀ MARRAMÀ, CARNEVALE, GIUSBERTI, NAYLOR & KRIWET 2019 レッシニアバティス属 (絶滅)
◆レッシニアバティス・アエニグマティカ (絶滅) †Lessiniabatis aenigmatica Marramà, Carnevale, Giusberti, Naylor & Kriwet 2019 *2019『A Bizarre Eocene Dasyatoid Batomorph [Elasmobranchii, Myliobatiformes] from the Bolca Lagerstatte, Italy Reveals a New, Extinct Body Plan for Stingrays:Giuseppe Marramà, Giorgio Carnevale, Luca Giusberti, Gavin J.P.Naylor & Jürgen Kriwet』。
Family uncertain Genus Microtriftis♀ SAMBOU, HAUTIER, SARR, TABUCE, LIHOREAU, THIAM, LEBRUN, MARTIN, CAPPETTA & ADNET 2020 ミクロトリフティス属
◆ミクロトリフティス・マタメンシス (絶滅) †Microtriftis matamensis Sambou, Hautier, Sarr, Tabuce, Lihoreau, Thiam, Lebrun, Martin, Cappetta & Adnet 2020 *2020『Contribution to the Reappraisal of the Mid Paleogene Ichtyofauna of Western Africa with Three New Enigmatical Elasmobranchs from Thanetian-Lutetian of Senegal:Bernard Siguendibo Sambou, Lionel Hautier, Raphael Sarr, Rodolphe Tabuce, Fabrice Lihoreau, Moustapha Thiam, Renaud Lebrun, Jeremy E.Martin, Henri Cappetta & Sylvain Adnet』。