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Part II - State of New Jersey

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CRETACEOUS FOSSILSface except near the insertion <strong>of</strong> the finger, where it is convex. Dactylnsflattened-elliptical, armed mith a strong dorsoproximal spine~vhich is in line with tlie row <strong>of</strong> spines on the outer side <strong>of</strong> the palm.Occlndeut teetli <strong>of</strong> both fingers eontiguous~ arranged so t,l~at the largerteeth <strong>of</strong> one finger oppose groups <strong>of</strong> smaller teeth <strong>of</strong> the ot,her. \jrristspinons; its hinge process longer than wide, rounded apically, the longitudinalaxis curved.hleasurements: length <strong>of</strong> carapace 44, length <strong>of</strong> palm 26 (TTTFIS1694'7) ; length <strong>of</strong> chela 68.5, lerigth <strong>of</strong> palm 37.5, heizht <strong>of</strong> palm 23.8(JVFIS 16946) ; length <strong>of</strong> palm 51, l~eigllt 33.7, thiclcness 20.5 mm.(ANSP 19749).Renlarks.-The carapacc <strong>of</strong> Eloplopariu {labbi is rare and has notbeen described heret<strong>of</strong>ore. It is distinguishable from all other Coastall'lain hoploparids by tlie absence <strong>of</strong> ridges and tubercles from t,l~e antennalfield. Rathhitn (1926, p. 187) points out that tht! palms suggestthose <strong>of</strong> If. te~~nessecnsis Rathbun; ho~~~ever, the palm <strong>of</strong> the latterspecies reaches its greatest height at tlio distal extremity, whereas inFI. gabbi it is highest betmeen the anterior quarter and third. The synt,ypepalms are incomplete and represent small individuals. One <strong>of</strong>them (ANSP 527) bears a small spine-not present on t,he other 22palms examined by the writer-near the distal margin <strong>of</strong> the uper edge.A carapace (PPRI Xo. 17903) from the Xaresink heds at AtlanticEIighlantls, Xew <strong>Jersey</strong>, bears a strong resemblance to this species, butis too poorly preserved to permit specific identification,Distribution in Now <strong>Jersey</strong>.-RIerchantviIle formation : A. A. Reevcpits (type locality) and Graham Rrick Company pits, Maple Slladc.Formation unknown : Crosswicks.Oxtside distrib~~tion.-Dela1~-are: Rlerel~antrille formation.Suntypes.-AKSP 527 and WFIS 5941 W.Hoploparia gladiator PilsbryPlate 80, Figures 7, 8; I'late 82,. Figures 1-8<strong>II</strong>op!opavin glodiafor Pilsbry, 1901, p. 116, pl. 1, figs. 15, 16.Iloploparia glnrlinlor. Weller: 1907, 1). 848, I)!. 110, figs. 16: 17.Rolopario glndiator. 1'ilsbr.y~ 1916, pp. DO, Dl, 362, pl. 10, fig. 6.Hoplopavia ~lodirrtor. Rathbun, 1935, p. 24.Description.-Carapace about twice as long as high. Rostrum halfthe length <strong>of</strong> carapace; rostra1 groove wide, broadly U-shaped; lateralcarinae smooth above, triangular in section. The t~vo rows <strong>of</strong> conicaltubercles which continue the carinae hackwarti on the gastric field areparallel to the dorsal median line <strong>of</strong> tlie carapace. Supraorbital spinecarinatcd and follo\red by a short row <strong>of</strong> tubercles. A longitudinal row<strong>of</strong> t,hree equally spaced conical tubercles on the antenna1 field. Cervicalgroove (o-el) broad and deep, ascending to or slightly above t,ht! incon-NEW JERSEY GEOLOGICAL SURVEY

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