Part II - State of New Jersey

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CRETACEOUS FOSSILS(7) Eutrephoceras tlton~i Reeside, 1927, U. S. Geol. Surv., Prof. Pap.151, pp. 7-8, chart opp. p. 2, pl. 44, figs. 1,2.(?) Eutrephoeeras sp. Reeside, 1927, Ti. S. Geol. Surr., Prof. Pap. 150,pp. 1,2, pl. 1, figs. 1-4.Eutrephoceras dekayl Spath, 1933, Biol. Review., 1'01. 8, p. 431.Et~trephoceras dekayi Stephenson, 1!141, Texas Univ. Publ. 4101, p. 398.(?) Estvephoceras pla?wventer Stephenson, 1941, Texas Univ. Publ.4101, pp. 25, 397-398, pl. 75, figs. 1-6; pl. 76, figs. 9-11.(h) Eutrephoceras spp. Stephenson, 1941, Texas Univ. Publ. 4101, p.398.E?itrephoccra.q dekayi s. 1. Miller, 1947, Geol. Soc. Am., Mem. 23, pp.26-27.When illorton established this species, he gave only a few notes inregard to it, but he illustrated a specimen which has come to be regardedas the holotype. Fortunately, it has been preserved, andthrough the courtesy of Dr. Horace G. Richards it has been made availableto us for study (pl. 65, figs. 5, 6).This specimen, which has been somewhat restored, appears to representan almost complete body chamber preserved in dark-colored"greensand marl.'' Its maximum overall measurement is about 8 em.,and at its adoral end its conch attains a maximum height and correspondingwidth of about 48 mm. and 80 mm., respectively. Theadapical end of this holotype is hounded by a septum, the size and shapeof which are cluci~lated by text figure 1E.The conch is suhglobular, rapidly expanded orad, and broadlyrounded ventrally and laterally. It is more or less semicircular in crosssection but is impressed dorsally to a little more than a third its height.The lateral margins of the aperture seem to be slightly flared.Traces of fine growth lines on remnants of the test show that the aperturebears a wide, moderately deep, broadly rounded, ventral sinus andon either side of it a similar hut narrower and less broadly roundedlateral salient which extends to the umbilicus.The umbilicus is small, closed, and inconspicuous. The umbilicalshoulders are rounded and indefinite.The external suture is almost straight and directly transverse. However,it forms very slight hut nevertheless distinct ventral and laterallobes. The siphuncle is small and subcentral but is distinctly nearer thedorsum than the venter.The immediately preceding paragraphs refer specifically lo illorton'sholotype, but we have under consideration a large number of specimensfrom a variety of Upper Cretaceous horizons at many widelyseparated localities in the United States. The individual representedby figures 1 and 2 on plate 66 is essentially complete and free from distortion.Its adoral camera is shorter than the preceding ones, indieatingthat it had reached full maturity; and the apcrtural margins areslightly hut distinctly flared and are parallel to the grorvth lines. whichNEW JERSEY GEOLOGICAL SURVEY
FIGURE 1Cross sectiolls of two varieties of Eutrephoceras dckayi (Morton)A. E. dekayi alcesonse Reeside, from the Pierre shale near Glendive,Montana, X %. [State Univ. Iowa, 4234.10. E. dekayi alcesense Reeside, from the Navesink marl at Glassboro,New Jersey, X r/8. [State Univ. Iowa, 8740.1C. E. ileka~i rlekayi (Iforton), from the Prairie 13lr1tf clralk soathesslof State College, &lississippi, X ,/,. [St,ate 1Jnir. lo\r.i~, 4227.1D. E. dekayi dekwi (Morton), from the Pierre shale at Iron Rut,te,near Glendive, Montana, X 1. [State Univ. Iowa, 4230.1E. E. dekayi dekayi (Morton), from the Navesink marl of Monmoutlior Burlington County, New Jersey, X 1. [ANSI? 19484-the holotype.]NEW JERSEY GEOLOGICAL SURVEY
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THE CRETACEOUS FOSSILS OF NEW JERSE
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PALEONTOLOQY SE&IE8Bureau of Geolog
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1i:i~grme 1,. liora, Chairnran ....
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The practical problems of publishin
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CRETACEOIJS QASTIIOl'ODS OF KE\\' J
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central apex which is elevated abov
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II~IFamilyRovrge in Kew Jorsey-\VOO
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and says that 'each rib is reflecte
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Margarites abyssina (Gabb) 1860Plat
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GASTROPODAthe two type specimens be
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GASTROPODA I :IGyrodes abyssina Wel
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diameter, 26 nim. ; height, 19 mm.;
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Endoptygma umbilicata (Tuomey) 1855
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GASTROPODA 1928'; number of volutio
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GASTROPODA 21Turritella quadrilirn
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GASTROPODA 23Turritella lippincotti
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GAYTIIOI'ODA 25Il'arritell~~ cf. je
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GASTROPODATurritella marshalltownen
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Range in New JerseufifERCHANTVIL1,E
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GASTROPODAnumber not determined, ve
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NAH : 34Range o~ctside New Jersq-De
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GASTROPODAwith moderately impressed
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GASTROPODA 37volution, causing the
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about six (estimated) ; very slight
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Range in New Jersey-WOODBURY: 18Typ
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Description.-"Shell of ~oedion~ siz
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cavity in the cast; aperture long a
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Family CypraeidaeCypmeu mortoni Gab
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eqnal intervals to those of the spi
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nodes; entire surface of the shell
Page 62 and 63: GASTROPODAthem. The sharply (lefine
Page 64 and 65: GASTROPODARange in Xew Jersey-MARSI
Page 66 and 67: GASTROPODAPyropsis iVaticoidcs Wli~
Page 68 and 69: Perissolax dubia (Gabb) 1860l'late
Page 70 and 71: GASTROPODB 61Family Fusiclae se~lsu
Page 72 and 73: 53 111111.; heigllt of spire, 23 mn
Page 74 and 75: GASTROPODA 65Turbinella intermedia
Page 76 and 77: not so sharply defined as those abo
Page 78 and 79: GASTROPODA"Fasciolaria" sp.Plate 44
Page 80 and 81: Re~~~orlis.-Thiseems to be a lye11
Page 82 and 83: GASTROPODA 73Remarks.-This species
Page 84 and 85: or more may be counted on the lower
Page 86 and 87: OASTROPODAFamily NitridaePiestochil
Page 88 and 89: Range ontsirle Xew ,Jersey-Delaware
Page 90 and 91: GASTROPODAswollen or convex in the
Page 92 and 93: 84 CRETACEOUS FOSSILSb1ississipl)i.
Page 94 and 95: GASTROPODA 85from the slvell of the
Page 96 and 97: Cancellaria smocki Tf'eller 1907Pla
Page 98 and 99: Range in New Jersey-NAVESINE : 41GA
Page 100 and 101: Type.-Crosswicks, N. J. ; ANSP 1877
Page 102 and 103: in length; very globose, the diamet
Page 104 and 105: GASTROPODA 95Cinulia naticoides (Ga
Page 106 and 107: Bulla macrostoma Gabb 1860Plate 64,
Page 108 and 109: 100 CRETACEOUS FOSSILS4 mm., and it
Page 110 and 111: 102 C1t.ErETACEVVS FOSSILSHyatt, th
Page 114 and 115: 1OGC1l.ETACEOUS FOSSILSFIGURE 2Cros
Page 116 and 117: CRETACEOUS FOSSILSno strong feeling
Page 118 and 119: 110 CRETACEOIIS FOSSILSbIonnlonth g
Page 120 and 121: CRETACEOUS AMMONITES OF NEW JERSEYb
Page 122 and 123: Type.-Say's specimen mas figured by
Page 124 and 125: AMMONOIDEA 117Range outside New Jer
Page 126 and 127: Range in Xew Jersey-SAVESIXR: Xaves
Page 128 and 129: AMMONOIDEA 121t,at,c or coiled part
Page 130 and 131: Pach~rliseas COIII~!EZI~S (IIi~ll a
Page 132 and 133: Scnphites hippowepis (DeICay). Grab
Page 134 and 135: Deso.iptio~~.-'l'l~e fragment of a
Page 136 and 137: AMMONOIDEA 129Placenticeras placent
Page 138 and 139: Two of tile fragments survive in th
Page 140 and 141: ornamentation as well as of other c
Page 142 and 143: The record of B. (T.) dentato-carin
Page 144 and 145: Sphenodiscus beecheri HyattPlate 75
Page 146 and 147: 1-10 CRETACEOUS FOSSlLSproduced on
Page 148 and 149: 142 CRETACEOUS FOSSILSBelen~nites o
Page 150 and 151: ClZETACEOUS FOSSILSlorn and narrom,
Page 152 and 153: 146 C13ETi\CE>OUS FOSSILStion. The
Page 154 and 155: CRETACEOUS FOSSILSBelemnitella amer
Page 156 and 157: 15nCRETACEOTJS FOSSILSclnding the h
Page 158 and 159: 152 CRETACEOUS FOSSIIJSlonga in the
Page 160 and 161: CRETACEOUS FOSSILSicana and more ra
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CRETACEOUS FOSSILSfissure is long a
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158 CRETACEOUS FOSSILSis rounded an
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CRETACEOUS FOSSILSStrnfiyropl~icrrl
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THE UPPER CRETACEOUS DECAPOD CRUSTA
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Tribe NEPRROPSIDEA StebbingFamily N
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spicuous gastroorbital groove (d).
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CRUSTACEA 169proximal occludent too
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ears a line of prominent sockets. L
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CRUSTACEA 1 i 3average size but it
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Rcn~arks.-The type series consists
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he rostral horn as from the second
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Canal about % mile east of Su~rrmit
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CRUSTACEA 181Distribution in h'ew J
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CKUSTACEANeocomian of I+anee, in ge
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CRUSTBCEA 185Re111nr1;s.-The specim
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spine is the shorter and slenderer.
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DECAPODA incerlae sedisXanthias? le
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CRUSTACEA 191trends forward and out
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194 CRETACEOIJS FOSSILSBfERCHANTVTL
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196 CRETACEOUS FOSSIIISPlesiosat~kC
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198 CRETACEOUS FOSSILSCretaceous, a
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CKETLICEOUS FOSSILSPHYLUM ANNELIDAC
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202 CRETACEOUS FOSSILSgins. Hinge a
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204 CRETACEOUS FOSSILSXamed in hono
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CRETACEOUS FOSSILSClass GastropodsC
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APPENDIX DTable sho\ving distributi
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APPENDIX D 211PELECYPODA -Continued
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APPENDIX D 21:jPELECYPODA -Conti?~t
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APPENDIX D 215PELECYPODA-ContinuedA
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APPENDIX D 21.7C. traasvers~rs (Gab
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APPENDIX D 219PELECYPODA -Continued
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222 CRETACEOUS FOSSILST. enerinodes
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APPENDIX D 223A. aresaria (Morton)r
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GASTROPODA-C~~~~+LU~~Odo~ltofasrrs
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AMMONOIDEABacz~litcs ovuttis Say X
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CRUSTACEA-Co~t iwt~etl.~\'ecrocnrci
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CI.ARK. \VILLIA>l H. HACC;. R. >I..
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~ ~I,YELL, CHARLES, 1845. 'The Cret
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~ -~~. 1926. The Mchozoic Rockc irt
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PlatesNEW JERSEY GEOLOGICAL SURVEY
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NEW JERSEY GEOLOGICAL SURVEY
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PLATE 48NEW JERSEY GEOLOGICAL SURVE
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PLATE ,'QNEW JERSEY GEOLOGICAL SURV
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PLATE 57r-NEW JERSEY GEOLOGICAL SUR
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NEW JERSEY PLATE 65 GEOLOGICAL SURV
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INDEXAActaeon ovoidea Gabb ........
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.Page PlateLiopeplum cretaceum (Con
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INDEXPage PhteTylosaurus rapax Hay
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