LOWER CAMPANIAN (UPPER CRETACEOUS) AMMONITES FROM THE MERCHANTVILLE FORMATION OF NEW-JERSEY, MARYLAND, AND DELAWARE

The Merchantville Formation of New Jersey, Maryland, and Delaware yiel ds a distinctive assemblage of upper lower Campanian ammonites: Pachyd iscus (Pachydiscus) sp., Pseudoschloenhachia cf. P. chispaensis Adkins , 1929, Placenticeras placenta (DeKay, 1828), Texanites (Texanites) sp ., Menabites (Delawarella) delawarensis (Mor-ton, 1830c), M. (D.) vanu xemi (Morton, 1830c), Menabites (Bererella) sp., Submortoniceras punct atum Collignon, 1948, S. uddeni Young, 1963, Cryptotexanites paedomorp hicus n. gen. and sp., Glyptoxoceras sp., Chesapeakella nodatum n. gen . and sp., Baculites haresi Reeside, 1927, and Scaphites (Scaphites) h ippocrepis (DeKay, 1828) III of Cobban, 1969. Elements of the fauna oc cur in the Gulf Coast and Western Interior regions of the United State s, in Western Europe, and in Madagascar and provide a basis for correl ation at this level,