Actinoptychus packi var. packi Hanna, 1927 (original description)
Actinoptychus taffi Hanna, 1927 (original description)
Aulacodiscus cretaceus Hanna, 1927 (original description)
Aulacodiscus pugnalis Hanna, 1927 (original description)
Aulacodiscus pugnalus Hanna, 1927 (original description)
Auliscus aenigmus Hanna, 1927 (original description)
Benetorus G D. Hanna, 1927 † (original description)
Benetorus fantasmus Hanna, 1927 † (original description)
Cladogramma jordani Hanna, 1927 (original description)
Coscinodiscus immaculatus Hanna, 1927 (original description)
Coscinodiscus morenoensis Hanna, 1927 (original description)
Coscinodiscus steinyi Hanna, 1927 (original description)
Glorioptychus G D. Hanna, 1927 † (original description)
Glorioptychus callidus Hanna, 1927 † (original description)
Horodiscus G D. Hanna, 1927 † (original description)
Horodiscus macroscriptus Hanna, 1927 (original description)
Kentrodiscus aculeatus Hanna, 1927 † (original description)
Kentrodiscus andersoni Hanna, 1927 (original description)
Meretrosulus G D. Hanna, 1927 † (original description)
Meretrosulus gracilis Hanna, 1927 (original description)
Micrampulla G D. Hanna, 1927 † (original description)
Micrampulla parvula Hanna, 1927 † accepted as
Ktenodiscus parvulus (Hanna) S.Blanco & C.E.Wetzel, 2016 (original description)
Odontotropis galeonis Hanna, 1927 † (original description)
Pseudostictodiscus picus Hanna, 1927 (original description)
Pterotheca crucifera Hanna, 1927 accepted as
Ktenodiscus cruciferus (Hanna) S.Blanco & C.E.Wetzel, 2016 (original description)
Pterotheca evermanni Hanna, 1927 accepted as
Ktenodiscus evermannii (Hanna) S.Blanco & C.E.Wetzel, 2016 (original description)
Sphynctolethus G D. Hanna, 1927 † (original description)
Sphynctolethus monstrosus Hanna, 1927 † (original description)
Stephanopyxis discrepans Hanna, 1927 (original description)
Triceratium bicornigerum Hanna, 1927 (original description)
Triceratium hertleini Hanna, 1927 (original description)
Trinacria deciusi Hanna, 1927 † (original description)
Trinacria mucronatum (Schmidt in Schmidt et al.) Hanna, 1927 accepted as
Triceratium mucronatum Schmidt in Schmidt et al., 1886 (new combination reference)
Trinacria tristictia Hanna, 1927 † (original description)
Xanthiopyxis granti Hanna, 1927 (original description)