Bulletins of American paleontology (Bull. Am. paleontol.) Vol 1349501927

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>\ BULLETINS AMERICAN '^-^- ' JjjJJS;- PALEONTOLOGY VOL XTII 1927 Harris Co Ithaca, N Y U S A CONTENTS OF VOLUME XIII Bulletin no 4-9 •- Some Venezuelan, and Caribbean raollusks ByFloyd Hodson and Helen K.Hodson and Gilbert D.Harris 50 -Some early Tertiary Rhinoceroses and Hyracodonts By Horace Elmer V^ood 2nd Pages 160 165-269 x^ AUG ^^%^i^^^^ OF AMERICAN PAlvEONTOI^OGY Vol 13 49 No SOME VENEZUELAN AND CARIBBEAN MOLLUSKS BY FLOYD HODSON and HELEN K AND GILBERT D HARRIS October 7, ig2j Harris Co Ithaca, 1937 N Y U S A HODSON INTRODUCTION The collections upon which this article is based were made in Venezuela for an American company Only desand general ages can be given at present, but later, when the interests of the company permit, we hope to publish definite localities and stratigraphic ranges for the species criptions of species with general localities The species referred to "Williston MS." in the text are adapted from the unpublished manuscript of Mr S H Williston, formerly with the Venezuelan Sun Company Mr Williston's manuscript consists of descriptions and figures of specimens collected in the State of Falcon, Venezuela, and was written at Cornell University in the summer of 1923 Where his specimens have been figured in the plates, acknowledgment is made Acknowledgments are due especially to Dr Katherine Van Winkle Palmer and Dr Pearl G Sheldon for their help in sorting the Veneroids and Areas, respectively, and in comparing them with described forms Published by permission of the Standard Oil Company (New Jersey) Bulletin 49 vi vi CONTENTS Page Introduction Description of Species i" - Parallelodontidse Cuculljea perijana, F and H Hodson, n sp Pseudocucullsea perijana Harris, F and H Hodson, Arcidse :••.• Area (Area) occidentalis Philippi Area umbonala pjezensis H K Hodson, n subsp Area (Ncetia) macdonaldi Dall Area (Scapharea) wiedenmayeri H K Hodson, n sp Area (Scapharea) zuliana H K Hodson, n sp Area zuliana maracaibensis H K Hodson, n subsp Area (Scapharea) weeksi H K Hodson, n sp Area (Scapharea) berjadinensis H K Hodson, n sp n sp grandis waringi Maury (Scapharea) saladilloensis H K Hodson, n sp (Scapharea) vueltana H K Hodson, n sp vueltana faleonensis H K Hodson, n subsp (Scapharea) buenavistana H K Hodson, n sp veatchi matarucana H K Hodson, n subsp (Scapharea) mirandana H K Hodson, n sp (Scapharea) tirantensis H K Hodson, n sp (Scapharea) eornellana H K Hodson, n sp (Scapharea) aetinophora Dall (Scapharea) lienosa Say (Scapharea) tamarana H K Hodson, n sp (Scapharea) democraciana H K Hodson, n sp Glyeymeris canalis Brown and Pilsbry Glyeymeris canalis lloydsmithi Pilsbry and Brown Glyeymeris canalis trilobieosta Pilsbry and Brown Glyeymeris canalis democraciana F and H Hodson, n subsp Glyeymeris tumefacta lavelensis F Hodson, n subsp Area Area Area Area Area Area Area Area Area Area Area Area Area Ostreidse Ostrea Ostrea Ostrea Ostrea Ostrea Ostrea Ostrea Ostrea wiedenmayeri F Hodson, n sp tacalensis F Hodson, n sp democraciana F Hodson, n sp democraciana chiriguarana F Hodson, n subsp democraciana eujiensis F Hodson, n subsp gatunensis aguaclarensis F Hodson, n subsp virginica Gmelin virginica faleonensis F Hodson, n subsp PectinidEe Pecten Pecten Pecten Pecten Pecten Pecten Pecten Pecten soror urumaconis Harris, n subsp soror eodercola Harris, n subsp gatunensis Toula macdonaldi Olsson cireularis venezuelanus F and H Hodson, n subsp cireularis eornellanus F and H Hodson, n subsp cireularis eaucanus F and H Hodson, n subsp {ajf Plagioctenium) gilbertharrisi F and H Hod- ? 3 5 9 10 10 11 11 12 12 13 14 14 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 22 23 24 25 25 26 27 28 son, n sp Pecten gilbertharrisi democracianus F 1 and H Hodson, Venezuela Mollusca vii vii Page subsp Pecten interlineatus aidei (Williston MS.) Harris, n subsp Pecten (Chlamys) buchivacoanus F and H Hodson, n sp Pecten buchivacoanus maracaibensis i?' and H Hodson, n subsp Pecten buchivacoanus falconensis if', and H Hodson, n subsp Pecten (JDquipecten) effossus Brown and Pilsbry Pecten (aff ^quipecten) quirosensis Harris, n sp Pecten {ajf Nodipecten) coiinensis F and H Hodson, n n sp Pecten coderensis (Williston MS.) Harris, n sp Pecten coderensis w^illistoni Harris, F and H Hodson, n subsp Pecten antiguensis churuguarensis F and H Hodson, n subsp Pecten (Amusium) aguaclarensis F and H Hodson, n sp Pecten (Amusium) luna Brown and Pilsbry Pecten (Amusium) mortoni Ravenel Pecten (Amusium) zamorensis F and H Hodson, n sp Spondylidje Plicatula densata Conrad Plicatula densata democraciana F and H Hodson, n subsp Spondylus falconensis Harris, n sp Spondylus carmenensis F Hodson, n sp Anomiidffi Anomia gabbi falconensis F Hodson, n subsp Anomia palmasensis F Hodson, n sp Anomia venezuelana Harris, n sp Pholadomyacidse Pholadomya falconensis F and H Hodson, n sp Crassatellitidfe Crassatellites aviaguensis F Hodson, n sp Crassatellites trinitarius venezuelanus F Hodson, n subsp Carditidsfi Venericardia zuliana F Hodson, n sp Venericardia zuliana weeksi F Hodson, n sub;p Venericardia zuliana maracaibensis (Williston MS.) F Hodson, n subsp Venericardia quirosana F Hodson, n cp Venericardia quirosana venezuelana F Hodson, n subsp Venericardia bowdenensis F Hodson, n sp Venericardia olssoni F Hodson, n sp Chamidae Chama buchivacoana F Hodson, n Chama quirosana F Hodson, n sp Chama berjadinensis F Hodson, n sp _ 30 31 31 32 33 34 35 35 36 37 38 38 39 39 40 41 42 42 42 43 44 44 45 45 45 46 46 47 47 47 48 49 49 50 50 50 51 sp Veneridse Dosinia elegans venezuelana H K Hodson, n subsp Clementia dariena (Conrad) Macrocallista maculata (Linne) Pitaria (Gilbertharrisella) lynei F and H Hodson, Pitaria (Pitaria) quirosana H K Hodson, n sp Pitaria (Pitaria) coiinensis H K Hodson, a sp 28 29 29 n sp 52 52 52 54 55 55 56 Bulletin 49 viii viii Page Pitaria Pitaria Pitaria Pitaria Pitaria (Pitaria) paraguanensis H K Hodson, n sp (Pitaria^ buenc.ViSta H K Hodson, n sp buenavistana coroana H K Hodson, n subsp (Hyphantosoma) mirandana H K Hodson, n sp carbasea lavelana H K Hodson, n subsp Antigona palmerse H K Hodson, n sp Cyclinella falconensis H K Hodson, n sp Cyclinella venezuelana H K Hodson, n sp Chione (Chione) montaiiitensis H K Hodson, n sp Chione (Chione) buchivacoana H K Hodson, n sp Chione (Chione) cancellata (Linne) Chione (Chione) paraguanensis H K Hodson, n sp Chione (Lirophora) quirosensis H K Hodson, n sp Chione quirosensis quaralana H K Hodson, n subsp Chione (Lirophora) cartagenensis H K Hodson, n sp Chione (Lirophora) falconensis H K Hodson, n sp Chione (Lirophora) matarucana H K Hodson, n sp Chione (Lirophora) wiedenmayeri H K Hodson, n sp Chione (Lirophora) buenavistana H K Hodson, n sp Solariidje Architectonica granulata (Lamarck) Naticidffi Sinum quirosanum F Hodson, n sp Natica guppiana Toula Natica canrena (Linne) Morch Natica precanrena F Hodson, n sp : Polinices subclausa (Sowerby) Polinices subclausa lavelana F Hodson, n subsp Polinices subporcana (Williston MS.), n sp Polinices stanislaus-meunieri venezuelana F Hodson, n subsp Polinices (Neverita) paraguanensis F Hodson, n sp Polinices paraguanensis quirosana F Hodson, n subsp Polinices paraguanensis buchivacoana F Hodson, n subsp Ampullina (?) santiagana F Hodson, n sp Vermiculariidze Petaloconchus sculpturatus domingensis Sowerby Marginellidse Marginalia Marginella Marginella Marginella Marginella Marginella Marginella Marginella Marginella Marginella Marginella Marginella Turritellidse saladilloensis F Hodson, n sp quirosensis F Hodson, n sp quirosensis paraguanensis F Hodson, n subsp berjadinensis F Hodson, n sp gatunensis colinensis F Hodson, n subsp democraciana F Hodson, n sp (Persicula) venezuelana F Hodson, n sp venezuelana lavelana F Hodson, n subsp venezuelana falconensis F Hodson, n subsp (Persicula) maracaibensis F Hodson, n sp (Persicula) zuliana F Hodson, n sp (Persicula) mirandana F Hodson, n sp ; Turritella zuliana palmerse F Hodson Description of Plates 06 57 57 57 58 58 59 59 60 61 61 62 62 63 63 63 64 64 65 66 66 67 67 67 68 68 69 69 70 70 71 71 71 72 72 72 73 73 74 75 75 76 76 77 78 78 78 79 79 80 80 81 PL 42, Vol 13 Bull Ambr Pal /r>>;-v>^'^KN^^r^^^ "^ ^-\^^ No 50, PI Bulletin 50 96 256 EXPLANATION OF PLATE FIGURE Epitriplopus uintensis, type, C M No 3007 L P 1-3/ -d P 4/, Page 19 a, M 1-3/, X 10 Protkyracodon 11 Protkyracodon obliquidens, A M N H No 1971 ohliquide?is, A M N H No 1971, RP 2/-M 3/, LP/l-M/3, xl xl Page 22 12 Young Hyracodoii sp., C 13 Young Hyracodon sp., M No 318, Ld P /3-M C M No 3581, L Page 28 d P /4 - M /I, xl /I, X PL 43, Vol 13 Bull Amer Pal No 50, PI Bulletin 50 98 258 EXPLANATION OF PLATE FIGURE 14 Triplopuo grangeri ?, C M No 3110, 15 Triplopus gi^angeri ?, C M No 3110, RP3/-M2/, LP /2-M /3, xl xl Page 17 16 Eotrigonias petersoni, type, A M N H No 2341, LP 4/-M 3/, xl Page 29 17 Eotrigonias rhinocerinus, type, Y P M No 13331, LP 2/-M 3/, xl Eotrigonias rhinoccr'jiz.s, type, Y P M No 13331, R 3/, X 19 Eotrigonias rhinocerinus, type, Y P M No 13331, R P /4 /3, X Page 32 18 M M 1 PI 44, Vol 13 Bull Amer Pal No 50, PL Bulletin 50 100 260 EXPLANATION OF PLATE FIGURE 20 Trigonias osborni, type, U S N M No 3924, LP 1-3/, X 1/2 Pages 33-40 21 Trigonias osborni, type, U 22 23 24 25 Trigonias Trigonias Trigodias Trigonias S N M No 3924, RP osborni, osborni, osborni, osborni, LP 26 Trigonias osborni, A X Trigo'.iias osborni, C 28 Trigonias osborni, C 1/21/21/21/2 1/2- M N H No 9792, R 27 3/, M 3/, x M 3/, x M 3/, x /I - M /I, X M No 95, R M No 95, L M No 98, R P 2/ U S N M No 4815, C C C /I - P X 1/2 lower incisors and R P /1-4, x M No 97, R /1-3/x 1/2 M No I /4, 97, M 1/2- PL 45, Vol 13 Bull Amer Pal No 50, PI Bulletin 50 102 262 EXPLANATION OF PLATE FIGURE 29 Subhyracodon gidleyi, type, U S N 30 Subhyracodon gidleyi, type, U S 31 Subhyracodon gidleyi, type, U S M No 11337, R P /2, X N M No 11337, LP X N M No 11337, LP 2/-M 3/, X A 1/2 1/2 1/2- Page 65 32 Trigonias ivellsi, type, A M N H No 13226 LI 33 Trigonias wellsi, type, A 1/, I 3/, dC 1/, C M N H No 13226 LP (1), 1/, xi/2 (1), 1-4/, x 1/2 M N H No 11865, R-I 2-3/, L I 3/, X 1/2 Page 46 35 Trigonias paucidens, type, A Page 38 Trigonias gregoryi ?, 51 A M N H No 13226 b, /1-3, dP /4, xi/2 Page 49 RP PI 4r,, Vol Bull Amer Pal 13 No 50, 29 30 PI • 104 Bulletin 50 264 EXPLANATION OF PLATE FIGURE 34 Trigonias wellsi, type, A M N H No 13226 L (1), 1-/, X M 1/2- Page 46 36 Trigonias paucidens, type, A M N H No 11865, R P 1-4/, X Page 51 37 Trigonias sp., A M N H No 12308, 39 Trigonias gregoryi, type, A M N H No LP LP 40 Trigonias gregoryi, type, A M x 1/0 a, 1-4, X M N H No 13226 L Page 48 4/, 13226 1/2 1/2 a, 1-3/, X 1/2- PI 47, Vol 13 40 Bull Amer Pal No 50, PI INDEX TO VOLUME — Note: Numerals separate bulletins i-efer to the Ordinary numerals refer to platycephalus nanolophus, 214 233, 235 214 220 232 233, 235 236 platycephalum, quadriplicatum, trigonodum, Amphicfenopus, platycephalus, simplicidens, Ampullina santiagana, 38, 39, 72 Amynodontidse, 168 228 Anchisodon, palmasensis, 24, venezuelana, 24, 26, Antigona palmerse, Area acttnophora, 31, 35, berjadinensis, 4, buenavistana, 3, 5, democraciana, 6, grandis waringi, 7, lienosa, 6, mcdonaldi mirandana, 5, occidentalis, saladilloensis, 5, tamarana, 5, tirantensis, 7, umbonata p«zensis, veatchi matarucana, vueltana, 5, vueltana falconensis, weeksi, 4, wiedenmayeri, zuliana, 42 42 43 58 12 10 12 14 6, 3, 13 11 14 11 10 5, 1, 4, zuliana maracaibensis Architectonica granulata, 36, 66 B Baluchitherium granger!, persistans, 215 217 216 215 platycephalus nanolophus, 199 mitis, tridactylum avum, 213 236 231 Chama berjardinensis, 30, 31, 51 50 50 61 35, cancellata, 35, 61 buenavista, 36, 65 cartagenensis, 31, 35, 63 falconensis, 35, 63 buchivacoana, 30, quirosana, 30, Chione buchivacoana, 64 60 62 62 quirosensis, 35, quirosensis queralana, 34, 63 wiedenmayeri, 34, 64 dementia dariena, 32, 52 rabelli, 53 Colonoceras, 240 Crassatellites aviaguensis, 28, 45 trinitarius venezuelana, 28, 45 Cuculloea perijana, 1, Cyclinella falconensis, 34, 59 venezuelana, 34, 59 35, montanetensis, 35, paraguanensis, 35, D Diceratherium, 230 231 218 232 avum, cooki, persistens, Dosinia elegans venezuelana, 52 32, E Eotrigonias, n g., petersoni, 44, rhinocerinus, 44, Epitriplopus uintensis, 43, uintensis, 188 189 192 179 195 G 194 C Csenopus, dakotensis, simplicidens, matarucana, falconensis, 24, 26, cornellana, continuous paging and not to the paging; heavy, to plate numbering A Aceratherium mite, Anomia gabbi XIII 267 Gilbertharrisella, Glycymeris canalis, canalis democraciana, 2, 3, canalis lloydsmithi, canalis trilobicostata, tumefacta lavelensis, 8, 9, Harris, G D.; co-author of 54 15 17 16 16 17 Bull Venezuelan on bulletin Amer Paleont fossils Hodson, Floyd; co-author of bulletin on Venezuelan fossils Hodson, Helen K.; co-author of bulletin on Venezuelan fossils Homogalax uintensis, Hyrachyidte, Hyracodon, apertus, arcidens, leidyanus, nebraskensis, petersoni, Hyracodontidag, L Leptaceratherium, Lophialetes, M Macrocallista maculata, 32, Marginella berjai-dinensis, 37, 40, democraciana, 40, gatunensis colinensis, maracaibensis, 40, mirandana, 40, 40, quirosensis, 37, quirosensis paraguanensis 37, saladilloensis, 37, venezuelana, 40, venezuelana lavelana, 40, zuliana, 40, Menoceras cooki, Metamynodon, M Natica canrena, guppiana, 36, precanrena, 36, O Opisceros bicornis, Ostrea democraciana, 9, 10, democraciana chiriguarana, 10, 11, democraciana cujiensis, 12, 20 gatunensis aguaclaren3is, 10, 11, 12, 21 Volume XIII 38, ... beaks Named in honor of Mr L G Weeks, who collected the specimens figured Age: Oligocene-Miocene Locality: District of Buchivacoa, State of Falcon; District of Bolivar, State of Zulia; locality... number teeth, the of ribs, the the fluting of the inner margin, are the same as that of the species Age: Miocene Locality: District Falcon, locality of Colina and Falcon, State of numbers 122B,... interspaces about half of the width of the ribs the ribs on the right valve and on the anterior of the left valve are slightly farther apart; the ornamentation of the ribs is slight or worn off on all the
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