CLASSIFIED LISTS. 293 
Classified list of the Gasteropoda of the New Jersey Cretaceous Marls—Continued. 
Lower | Middle Base of 
marls. | marls. upper 
marls. 
Class GASTEROPODA—Continued. 
Order SCUTIBRANCHIATA. 
Suborder Podophthalma. 
Family TROCHIDZ : 
Genus Margarita abyssina G.... 0.2... - 22. eee ee enn teen cee eee eee Kx |i... -eee}.ee. eee 
Margaritella Abbotti G......---------- -----+------ eee ee cece ee enee ne ee eee 
Family PLEUROTOMARIIDE ; 
Genus Pleurotomaria Brittoni W...-..--- en nO x 
Tritonensis W ........----------- rrr erree ee 
Pleurotrema solariformis W ....-.--.---. ---- 22 scene eens eee eee] cee eee X ji... eees 
Suborder Edriophthalma. 
Family PATELLIDE: 
Genus Helcion? tentorum Mort. ..... ---- ---- -- +--+ - +e eee ener ee ee eee cee K  |.ece eeee]eeee eee 
Subclass OPISTHOBRANCHIATA. | 
Order TECTIBRANCHIATA. 
Family TORNATELLID#: | 
Genus Acteon cretacea G.-.. ---- + eee ee eee cece ne cree cn ee cee cee ees cece K | 12. eeal owen eee- 
Forbesiana W ..----.----4 --- cee ee eee rene cer eee cers teee x . 
Gabbana W ....------ -- ene ee ene ee eee eee meee eee ee eee > en ee 
subovoides W..... ..---- ---- ee ee nee eee eet et cree KX  |oaaeeeee . 
Globiconcha curta G . ..- 226 oe ee ee ee ee eee cere eee teen reese ee 
Cinulia (Oligoptycha) naticoides, Gray ?..-...-----------2+ +222 2222] XK rete treed eeer cee 
ovoidea G..... 2-2 - eee eee ee ee eee eee eee KX ewe eee ele eee eeee 
Avellana bullata Mort...----- wenn e cee eee cece ee cece ee seen ee eens ee eee 
Family CYLICHNID: 
Genus Cylichna recta G .- .--- see ee ee ene cree ee rete bee e ce eee eee en ee eee 
Family BULLID#: 
Genus Bulla conica W ..------ -------- eee ere cre errr rte crt] seer ites see x 
Mortoni L. and F.....-.. ---- ---- e202 -- eee ee re rere Kwa eeewee|---- eee 
Class SCAPHOPODA. | 
Family DENTALIIDE: | ) 
Genus Dentalium Ripleyanum G...-.-------- ---- ee tee cree cre rete x | es 
subarcuatum Con... .----..-----  ---- + eee ee eee ee ce enee x | es ee 
Falcula falcatum Con ....-. .----- ---- eee eee cree ee cee rere cette | xX eee 
? Diploconcha (Serpula?) cretacea Con ...--.-- ees cee ween ee eee eee ee Mo fecscttetpesrt 
Total Gasteropoda and Scaphopoda....-. eee een ee cw ee eee ee cere ene 127 7 8 
