Whitfield, Robert Parr, 1828-1910.

American Museum of Natural History Scientific Publications

ARTICLE VIII.-Note on the faunal resemblance between the Cre-taceous formations of New Jersey, and those of thle GulfStates. By R. P. WHITFIELD.In working over a very limited collection of Cretaceous fossilsfrom Alabama, Mississippi and Texas, in the American Museumof Natural History, I have been somewhat surprised at the verylarge number of species which are identical with those from theCretaceous green marls of New Jersey, which I have recentlyworked over for the geological survey of that State. The collec-tion in question consists very largely of specimens, principally ofinternal casts, from Prairie Bluff, Ala., and a very small numberof specimens from Texas and Mississippi. Were it possible tocompare a more extended collection from the two latter States, Ihave no doubt that a much greater number of identical specieswould be found. At the request of Dr. C. A. White, of theNational Museum at Washington, I have concluded to publishthe accompanying list at the present time, although I should havepreferred to wait until a more thorough study of larger collectionscould have been made. There is sufficient evidence here, how-ever, to show the strong faunal relations which exists between theCretaceous marls of New Jersey and the Cretaceous of the GulfStates. Besides the identical species given in the table, there area number of closely allied forms in the two regions, such asRostellites Texanus, Conrad, and R. texturatus, Whitf. from NewJersey, which increase the resemblance. The greater number ofidentical species shown between the Prairie Bluff beds and theNew Jersey marls, than is shown in the Texas or Mississippiregions, may arise largely from the fact that the collections fromthe latter localities which I have been able to study, are so limited,rather than that no others exist.Without drawing any very definite deductions from the show-ing, here presented, at the present time, I give the following tableof species, and reserve further observations to a more favorableopportunity.[March,- I889.]I I4 Bulletin American Museum of Natural History. [Vol. II,Table showing the species of New Jersey Cretaceous Molluscanfossils which have been recognized in Alabama, Mississippi,Texas or Dakota:BRACHIOPODA:Terebratula floridana, Morton..........LAMELLIBRANCHIATA:Monomyaria.Ostroea falcata, Morton - 0. larva Lam..Gryphaea vesicularis, Lam .. . .G " var. navia, Roemer.Exogyra costata, Say.................Amusium simplicum, Con..............Camptonectes Burlingtonensis, Gabb......Neithea quinquescostata, Sow ..........Dianchora echinata, Morton...........Plicatula urticosa, Morton..............Radula pelagica, Mort. sp .............R " acutiradiata, Con...............Heteromyaria.Lithodomus affinis, Gabb. = L. Ripley-ana, G.............................Inoceramus Barabini, Morton.........I " Vanuxemi, Tuomey........I " Sagenensis, Owen.........Pinna laqueata,Con.Dimyaria.Nemodon Eufaulensis, Gabb...........Idonearca Tippana, Conrad ..........I " vulgaris, Morton sp... ......Cibota rostellata, Morton sp............Nucula Slackiana, Gabb ...............Nuculana longifrons, Conrad...........Trigonia Eufaulensis, Gabb............Crassatella vadosa, Morton.............C " lintea, Con.................C " cuneata, Gabb..............Vetericardia octolirata, Gabb...........Cardium Eufaulensis, Conrad .........C. (Criocardium) multiradiatum, Gabb...Leiopistha protexta,Con.Isocardia Conradi, Gabb...............Ala. Miss.************........** .....* .....***........... .....I......****....*****;i***...*Tex. Dak.***[March,No. 2.] Comparison of Cretaceous Faunas.Ala. Miss. Tex. Dak.LAMELLIBRANCHIATA: Dimyaria.-Continued.Veniella Conradi, Morton.............. * ...... * *Dosinia Gabbi, Whitf................. *Callista, Delawarensis G. - Venus Rip-leyana, Gabb?...................... 4Aphrodina Tippana, Cgprad ...........Cyprimeria densata, Conrad............ *Tellimera eborea, Conrad.............. *Linearia metastriata, Conrad........... *£nona Eufaulensis, Conrad ...........Valeda lintea, Conrad................. *Leptosolen biplicata, Conrad: .......... * *Legumen ellipticum, Conrad ...........L " planulatum, Con ............. *Clavagella armata, Morton............. *Teredo tibialis, Morton ............ *GASTEROPODA:Pyropsis trachyformis, Tuomey......... *P " Reileyi, W................... *P " octolirata, Conrad............. *P "? obesa,W.............*P " (Rapa?) Corrine, W........... *Pyrifusus cuneus, W .................. *? P " Mullicaensis, W? ........... *Odontofusus medians, W.............. *Volutoderma Gabbana, W.............. *? V " mucronata, Gabb.*... .Volutomorpha Conradi, Gabb........... *V " Abbotti, Gabb........... *V Kanei, Gabb............ *Turbinopsis major, W................. *Cithara crosswickensis, ............. *? C " Mullicaensis, W............... *Anchura pennata, Morton.............. *Rostellaria? Hebe, W.................. *Natica abyssina, Morton................ *Gyrodes petrosa, Morton............... *Morea cancellata, Conrad ............Amauropsis Meekana, W..............*Margarita abyssina, Gabb.......*Delphinula lapidosa, Morton...........*Xenophora leprosa, Mort. sp........... *Scalaria Silliriani, Morton.............*1889.]I I5I I6 Bulletin American Museum of Natural History. [Vol. II.]Ala. Miss. Tex. Dak.GASTEROPODA.-Continued.Turritella vertebroides, Morton ... *T " granulicostata, Gabb. *T. planilateralis, Con.T " encrinoides, Morton .. *CEPHALOPODA:Ammonites complexus, Hall & Meek .......... .. ........A " dento-carinatus, Roemer...... .. .......A " (Placenti.) lobatus, Tuomey..*A " ( " ) placenta, Morton .......... *Scaphites Conradi, Morton .......... *S " iris, Conrad ............Baculites aspera, Morton . ........ * *B " ovatus, Morton.............. *NOTE.-On account of the delay by the lithographers in printing/he plates,the date of issue should be April instead of March. Author's copies of ArticlesVI. and VII. were distributed March 22d. R. P. W.[March, I889.]

Comparison of Cretaceous faunas

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