Acerviclausa Gabb & Horn, 1860 † (original description)
Agaronia punctulifera Gabb, 1860 † accepted as Olivula staminea (Conrad, 1832) † (original description)
Anomia ephippioides Gabb, 1860 † (original description)
Arca eufalensis Gabb, 1860 † (original description)
Arca saffordii Gabb, 1860 † (original description)
Architectonica meekana Gabb, 1860 † (original description)
Architectonica texana Gabb, 1860 † (original description)
Architectonica vespertina Gabb, 1860 † (original description)
Axinaea intercostata Gabb, 1860 † (original description)
Belosaepia ungula Gabb, 1860 † (original description)
Bulla kellogii Gabb, 1860 † (original description)
Cancellaria eufalensis Gabb, 1860 † (original description)
Cantharus cumberlandiana Gabb, 1860 † (original description)
Cibota mississippiensis Gabb, 1860 † (original description)
Cirsotrema megaptera Gabb, 1860 † (original description)
Corbula texana Gabb, 1860 † (original description)
Crassatella antestriata Gabb, 1860 † (original description)
Crassatella pteropsis Gabb, 1860 † accepted as Crassatella cuneata Gabb, 1861 † (original description)
Cyclicosmilia caulifera Gabb & Horn, 1860 † (original description)
Cyclicosmilia dichotoma Gabb & Horn, 1860 † accepted as Balanophyllia irrorata Conrad, 1855 † (original description)
Cymbiola texana Gabb, 1860 † accepted as Caricella demissa var. texana (Gabb, 1860) † (original description)
Dentalina pulchra Gabb, 1860 † (original description)
Dentalium minutistriatum Gabb, 1860 † (original description)
Distorsio septemdentata Gabb, 1860 † accepted as Personopsis septemdentata (Gabb, 1860) † (original description)
Erato semenoides Gabb, 1860 † (original description)
Eucheilodon Gabb, 1860 † (original description)
Eucheilodon reticulata Gabb, 1860 † (original description)
Eulima exilis Gabb, 1860 † (original description)
Eulima tenua Gabb, 1860 † (original description)
Eulima texana Gabb, 1860 † (original description)
Fasciolaria saffordi Gabb, 1860 † (original description)
Fasciolaria woodii Gabb, 1860 † (original description)
Flabellum pachyphyllum Gabb & Horn, 1860 † accepted as Flabellum cuneiforme Lonsdale, 1845 † (original description)
Flabellum striatum Gabb & Horn, 1860 † (original description)
Fusus holmesianus Gabb, 1860 † (original description)
Fusus mortoniopsis Gabb, 1860 † accepted as Fusus mortoni var. mortoniopsis Gabb, 1860 † (original description)
Helcion leanus Gabb, 1860 † (original description)
Leda compsa Gabb, 1860 † (original description)
Leda slackiana Gabb, 1860 † (original description)
Leiorhinus Gabb, 1860 † (original description)
Leiorhinus crassilabris Gabb, 1860 † (original description)
Lunatia moorei Gabb, 1860 † (original description)
Mercenaria cancellata Gabb, 1860 † accepted as Mercenaria mercenaria (Linnaeus, 1758) (original description)
Mitra exilis Gabb, 1860 † (original description)
Mitra mooreana Gabb, 1860 † (original description)
Monoptygma crassiplica Gabb, 1860 † accepted as Monoptygma lymneoides (Conrad, 1833) † (original description)
Murex (Odontopolys) Gabb, 1860 † (original description)
Murex (Odontopolys) compsorhytis Gabb, 1860 † (original description)
Natica hemicrypta Gabb, 1860 † (original description)
Neptunea enterogamma Gabb, 1860 † (original description)
Neptunea impressa Gabb, 1860 † (original description)
Neverita arata Gabb, 1860 † (original description)
Noetia pulchra Gabb, 1860 † (original description)
Nucula distorta Gabb, 1860 † (original description)
Ostrea crenulimarginata Gabb, 1860 † (original description)
Ostrea mauricensis Gabb, 1860 † (original description)
Ostrea tecticosta Gabb, 1860 † (original description)
Pecten spillmani Gabb, 1860 † accepted as Chlamys spillmani (Gabb, 1860) † (original description)
Phos texanus Gabb, 1860 † (original description)
Platytrochus speciosus Gabb & Horn, 1860 † (original description)
Pleurotoma crassiplicata Gabb, 1860 † accepted as Glyptotoma crassiplicata (Gabb, 1860) † (original description)
Pseudoliva carinata Gabb, 1860 † (original description)
Pseudoliva fusiformis Gabb, 1860 † (original description)
Pseudoliva linosa Gabb, 1860 † (original description)
Pseudoliva perspectiva Gabb, 1860 † (original description)
Rostellaria rostrata Gabb, 1860 † (original description)
Scobinella crassiplicata Gabb, 1860 † (original description)
Scobinella laeviplicata Gabb, 1860 † (original description)
Tellina mooreana Gabb, 1860 † (original description)
Trochosmilia conoides Gabb & Horn, 1860 † accepted as Trochocyathus conoides (Gabb & Horn, 1860) † (original description)
Trochosmilia mortoni Gabb & Horn, 1860 † accepted as Balanophyllia irrorata var. mortoni (Gabb & Horn, 1860) † (original description)
Turris cristata Gabb, 1860 † (original description)
Turris kellogii Gabb, 1860 † accepted as Pleurotoma (Drillia) kellogii Gabb, 1860 † (original description)
Turris moorei Gabb, 1860 † accepted as Eosurcula moorei (Gabb, 1860) † (original description)
Turris nodocarinata Gabb, 1860 † accepted as Pleurotoma (Drillia) nodocarinata (Gabb, 1860) † (original description)
Turris retifera Gabb, 1860 † (original description)
Turris texana Gabb, 1860 † (original description)
Turritella nasuta Gabb, 1860 † (original description)
Volvula conradiana Gabb, 1860 † (original description)
Volvula minutissima Gabb, 1860 † (original description)

Alabama for Arca eufalensis Gabb, 1860 † 
Alabama for Axinaea intercostata Gabb, 1860 † 
Alabama for Cirsotrema megaptera Gabb, 1860 † 
Alabama for Leiorhinus crassilabris Gabb, 1860 † 
Alabama for Pecten spillmani Gabb, 1860 † 
New Jersey for Arca saffordii Gabb, 1860 † 
New Jersey for Cantharus cumberlandiana Gabb, 1860 † 
New Jersey for Fasciolaria woodii Gabb, 1860 † 
New Jersey for Leda slackiana Gabb, 1860 † 
New Jersey for Natica hemicrypta Gabb, 1860 † 
New Jersey for Ostrea mauricensis Gabb, 1860 † 
Tennessee for Ostrea crenulimarginata Gabb, 1860 † 
Texas for Architectonica texana Gabb, 1860 † 
Texas for Architectonica vespertina Gabb, 1860 † 
Texas for Corbula texana Gabb, 1860 † 
Texas for Erato semenoides Gabb, 1860 † 
Texas for Eulima texana Gabb, 1860 † 
Texas for Mitra mooreana Gabb, 1860 † 
Texas for Neptunea enterogamma Gabb, 1860 † 
Texas for Turris retifera Gabb, 1860 † 
USA for Ostrea tecticosta Gabb, 1860 † 
USA for Scobinella crassiplicata Gabb, 1860 † 
USA for Scobinella laeviplicata Gabb, 1860 † 

 Original description

 for Crassatella antestriata Gabb, 1860 †

Subquadrate; beaks very small; umbonal slope wide, umbonal ridge rounded; anterior margin semicircular, basal regularly ... [details]