Bulletins of American paleontology (Bull. Am. paleontol.) Vol 1762

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JUN \ 1931 BULLETINS AMERICAN PALEONTOLOGY VOL XVII 930-31 Harris Co Ithaca, N Y U S A Contents of Volume XVII Bulletin Plates Pages 1-12 1-96 62 Contributions to the Tertiary Paleontology of Northern Peru; Part Eocene Mollusca By A A Olsson 63 Contributions to the Tertiary Paleontology of Northern Peru ; Part 4, The Peruvian Oligocene 13 By A A Olsson - 33 97-264 JAAI 1931 i3,aM BULLETINS or AMERICAN PALEONTOLOGY VOL XVII No 62 December 25, 1930 Harris Co Ithaca, Y N U S A BUI,I,ETINS OF AMERICAN PAI,BONTOI,OGY Vol 17 No 62 Contributions to the Tertiary Paleontology of Northern Peru Part : By Eocene Mollusca 3, A A OlvSSON December 25, /gjo Harris Co Ithaca, N Y U S A Prefatory Note This paper is Part of the Contributions to the Tertiary Paleontology of Northern Peru and of which Parts and have already appeared in these Bulletins A reclassification of the Peruvian Upper Eocene rocks into two stages, representing two distinct marine transgressions has been found necessary and the Introduction is devoted to a discussion of the Paleontology and Stratigraphy of these formations of several new species of In addition to the description Eocene mollusks, the following new genera and subgenera are proposed Yasila Type Yasila paytensis, n sp Chiralithes (Subgenus of Clavilithes) Type: Clavilithes cynosuris, n sp Type: Perulithes (Subgenus of Clavilithes) Clavilithes peruvianus Woods Nerinatica (Subgenus of Natica) Gloversville, N Y Nov 24, 1930 Type: Natica paytensis, n sp Bulletin 63 160 256 Explanation of Plate 19 (31) Page Figure 109 Mancorus grabaui, n sp Holotype, length 60mm Chira Lyria peruviana, n sp Holotype, length 31mm Chira 111 Lyria peruviana, n sp Cotype, length 26mm Chira HI — Mancorus grabaui, Same specimen as Fig Mancorus burtii Hanna and Israelsky Topotype, length 59mm Mancora n sp Melongena charanalensis, n Holotype, length 62mm sp — 109 110 101 Que Charanal burtii Hanna and Same specimen as Fig Mancora Mancorus Israelsky 110 PL 31 VOL 17 BULL AMER PALEONT NO 63, PL 19 Plate 20 (32) 162 Bulletin 63 258 Explanation of Plate 20 (32) Figure p age Chiraluta inca, n sp Cotype, height 30mm Chira 113 Chiraluta inca, n sp Holotype, height 34mm Chira 113 Olivancillaria (Olivancillaria) aequatorialis, n sp 116 Holotype, length 21mm Posorja peruviana, n Cotype, length 20mm Chira Strigatella Olivancillaria sp 113 aequatorialis, n (Olivancillaria) 116 sp Cotype, length 22mm Posorja Strigatella peruviana, n sp 113 Holotype, length 21mm Chira Harpa myrmia, n 114 sp Holotype, height 31mm Chira Olivancillaria (Olivancillaria) Cotype, length 19mm Oliva (Oliva) pichincha, n Cotype, length 16.5mm Posorja aequatorialis, n sp ~~ 116 Posorjo 10 Chiraluta inca, n 115 sp 113 sp Fragmentary specimen showing columellar Length 26mm 11 Olivancillaria (Olivancillaria) aequatorialis, n plaits sp _ 116 Cotype, length 19mm Posorja 12 Olivella (Lamprodoma) 117 illesca, n sp Holotype, length 12mm Que Charanal (Agaronia) antisana, Holotype, length 22mm Posorja n sp 116 (Agaronia) cotapaxi, Holotype, length 20mm Posorja n sp 117 13 Olivancillaria 14 Olivancillaria 15 Olivella (Lamprodoma) illesca, n sp 117 Cotype, length 10.25mm Que Charanal 16 Olivella (Lamprodoma) illesca, n sp 117 Cotype, length 10mm Que Charanal 17 Oliva (Oliva) pichincha, n sp Holotype, length 22.5mm Posorja 115 PL 32, VOL 17 BULL AMER PALEONT NO 63, PL 20 Plate 21 (33) 260 Bulletin 63 164 Explanation of Plate 21 (33) Pa?e Figure 119 Turricula (Surcula) sullana, Holotype length 22.5mm Chira n Latirus quercotillaensis, n Holotype, length 27mm Quercotilla sp 107 Latirus quercotillaensis, Cotype, length 21mm Quercotilla sp 107 Rimella peruviana, n sp Holotype, length 19mm Chira Clathrodrillia mira, n sp n sp 93 - 120 Holotype, length 16mm Chira Conus chiraensis Olsson High-spired variety, length 28mm Chira 3, p 39 Part 3, p 39 Conus chiraensis Olsson High-spired variety, length 39mm Que Charanal Part Tritiaria sullana, 100 sp n Holotype, length 19.5mm Chira Turricula (Surcula) piura, Cotype, length 22.5mm Chira n sp 10 Borsonia peruviana, n sp Holotype, length 25irtm Chira 11 Turricula (Knefastia) chira, Holotype, length 22mm Chira 12 Scobinella meloda, n sp Holotype, length 21mm 13 Turricula (Surcula) piura, Holotype, length 25mm Chira 14 Borsonia peruviana, 118 121 n sp 119 120 Chira n sp n sp 118 121 Cotype, length 19mm Chira 15 Tritiaria sullana, n sp 100 Cotype, length 14mm Chira 16 Tritiaria chira, n sp Holotype, length 16mm Chira 99 PL 3, VOL 17 BULL AMER PALEONT NO 63, PL 21 Index: to Volume XVII Note:- Light fact figures refer to the volume paging and not to the paging of the separate bulletins Heavy face figures refer to the valume plate numbers A Acanthina meroensis junceum : 30 30 sula Acharax Acila paita piura 14 14 Ad mete paytensis 11 Adrana Agaronia Agriopoma Amphiperas bullen-newtoni Ampullina bravoensis spenceri Ampullinopsis Ancilla 23 23 pananga Ancon Point stage Anconia Anconia elenensis 28 202 202 203 127 130 130 131 29 29 134 212 152 63 63 167 167 168 168 41 41 113 179 179 180 Anguilla formation 124 126 Antigona inca 22 Antiquan formation Area meroensis puntabravoensis 14 14 Argena Artena 157 157 122 134 134 134 134 157 B Barton ian _ Bayovar formation Berry, E W., on fruits from Belen Bohio conglomerates _._ Borsonia peruviana 33 Bursa chira chira var yasila ' 10 10 18 102 Cardium Chattian Chione shales : posorjensis Chira formation 20 Chiralithes Chiraluta inca _ 209 50 208 _ 20 20 32 Chorus mira cynosuris 50 50 51 peruvianus 9 yasilus Codakia peruviana Cona Hill Conus 17 facies chiraensis peruvianus _ 33 52 52 147 147 115 39 39 40 Correlation of Peruvian Upper Eocene 18 Correlation of Peruvian Oligocene Costacallista Crassatellites neorhynchus 19 Crassispira capella woodringi Culebra formation 120 156 140 140 33 34 33 124 126 125, Cymia 217 217 62 Cypraedia Cyrena bravoensis 25 Clavilithes Cypraea 116 156 156 156 101 33 202 216 216 Clathrodrillia 111 126 62 63 25 183 183 123 158 158 102 103, 120, 121 30 chira 29 19 trigalensis _ 19 Cyrtochetus 26 201 201 189 189 189 141 141 141 199 199 D Denta mancorensis 28 chiraensis shales canoasensis m macarum 124 Callista Cardalitos 115 th i u i berryi C Caimito formation 126 Caleto Mero Cer iu m mancorense yasilum 12 12 Donax petersoni Dosinia 21 palmerae 19 Dosinidia 71 71 73 162 162 155 155 155 262 132 Ectinochilus 184 184 113 gaudichaudi Ecuador 119 Emperador limestone 124 125, 126 Eopleurotoma paytense peruvianum 29 29 30 49 49 47 70 70 70 27 181 181 paytensis wiedeyi Eovasum douvillei Eoxancus Epitonium F Faunus bravoensis 182 chiraensis - Ficus chiraensis 28 — 30 30 woodringi Fusiturricula - yasila 182 193 193 194 35 35 G Genotia peruviana Glycymeris peruvianus Gisortia thomasi 36 36 20 20 64 64 H barranca charanica miradorana stewardi Leda (Adrana) Ledina Lomitos cherts Lucina 13 13 14 14 sp inca lomitensis Lu ci n o m a 17 17 Ludian 18 Lunatia Lyria 165 46 207 busera peruviana 31 emendorferi 27 28 gesteri tumbezia 27 Harpa myrmia Heath formation 32 176 178 177 ill 178 210 210 102 115„ 123 Hemipleurotoma _ arenosa Hemisinus terebriformis 27 Herculea 31 31 179 179 193 M 124 sections 125 Macoma 21 21 lissoni meroensis Mactra tumbezia 21 Mactrella Mambri shales 147 215 Knefastia 121 122 Mancorus grabaui 205 Melanatria 31 31 ? — Lamprodoma La ti r u s quercotillaensis Lattorfian Le da 33 111 153 213 203 203 120 19 204 206 204 176 gesteri 177 Melongena charanalensis 31 Me tula peruviana Mirador conglomerates Mitra yasila 30 10 Mitratoma Moniliopsis paytensis peruviana - 3 charanalensis chiraense dolioides peruvianum 29 29 29 29 Murex Lagunitas shale Lamelliconcha 159 160 159 162 162 162 113 123 Mancora formation Mo rum Jagonia 46 207 MacDonald, Canal Zone burtti Hannatoma 19 133 132 132 134 19 118 143 143 144 145 scorpionius 11 Myrtaea cookei Mytilopsis trigalensis Mytilus canoasensis 15 13 13 197 197 200 200 109 43 43 37 31 32 31 190 193 192 192 191 58 58 146 146 138 138 137 137 263 N Natica paytensis Nerinatica Neverita 68 68 _ mancorensis paboensis 18 14 14 129 128 O Oligocene of Peru transgressions 100 120 121 va 40 211 misti pichincha 32 Olivancillaria 212 aequatorialis cotapaxi illesca — inca Olsson, A A., on Eocene 32 32 32 40 211 43 212 213 213 — 13 —6 99 190 136 136 163 P — Pachychilus — canoasensis - 27 Paradonax Peruchilus - 1? lagunitensis var charanalensis Perulithes 176 176 162 185 73 29 207 52 22 24 2b 23 145 22 26 Phacoides 145 andersoni nonurensis woodi zapotalensis - ?, 17 (Pseudomiltha) sp Pitaria 152 ayabaca 22 baldryi charanica 20 chiraensis 19 19 mancorensis _ yasila Pitarella Plejona sula paytensis Pleurophopsis - 30 11 purpuroides sillapaytensis 11 ' Polymesoda Po tarn ides chira 27 27 hondensis Posorja Ecuador Pseudofaunus _.' Pseudoliva coronaria Punta Bravo grits 11 10 154 27 154 152 152 26 152 45 45 60 60 139 140 139 164 165 165 164 196 196 54 53 141 184 184 184 115 181 57 57 102 107 R me i R 11 a peruviana 36 189 189 S 132 103 Saman formation _ _ Pollia huitra 43 Mollusca Oxyperas 22 23 22 Saccella Sal Chica facies Olsson, A A., on Peruvian Oligocene Oniscidea — _ Ostrea _ chulucana quirosana subreclusiana 18 128 catalina 16 16 Polinices 68 164 Nucula 1i lithopwagoides peruviana Sanguinolaria tumbezana 15 Scapharca Scobinella 216 bartschi meloda 33 38 216 113 166 22 166 56 30 10 30 198 56 199 113 127 127 127 163 163 137 137 209 209 188 188 214 Seca shale stage Sinum multilineatum 161 161 135 38 var peruvianum Siphonalia 198 belenensis nuntia tessaria Socorro shale stage S o e m ya belenensis lomitensis Spisula steinmanni 15 15 21 Spondylus mimus 15 Strigatella peruviana 32 Strom bus chiraensis 23 _ Surcula T Talara formation 10 Terebra 28 28 55 55 negritensis Terebrifusus lepus ? 11 264 placitus Ihyasira montanita peruviana staufti tes'saria Tornatellaea ? sp Tritiaria chira sullana Tritonium Tuba 18 18 18 18 12 33 33 10 sp peruviana Tumbez formation 12 55 147 149 148 147 148 73 195 195 196 73 69 69 101 115 Turricula 214 chira eolavinia piura sullana Turritella 170 caleta chira conquistadorana galvesia gilbertharrisi hubbardi meroensis salchica 34 33 33 33 215 34 214 215 67 24 12 24 26 25 24 25 25 samanensis Typhis End thagus 12 Vaughan, on fo ssil corals of Antigua 122 124 21 on correlat ion Venericardia 143 charanalensis planicosta var samanensis simillina Vesicomya ramondi 15 16 16 tschudi Vickburgian Voluta paytanica _ 143 21 ?,1 150 151 150 120 44 44 X Xancus paytensis talarensis 7 47 48 47 Y 175 67 170 174 173 172 172 Yasila 200 chiraensis paytensis 60 174 170 58 Zapotal sandsto nes Zorritos formation of 58 V 59 26 200 11 59 Z Volume XVII 113 101 ... Note This paper is Part of the Contributions to the Tertiary Paleontology of Northern Peru and of which Parts and have already appeared in these Bulletins A reclassification of the Peruvian Upper... Contributions to the Tertiary Paleontology of Northern Peru ; Part 4, The Peruvian Oligocene 13 By A A Olsson - 33 97-264 JAAI 1931 i3,aM BULLETINS or AMERICAN PALEONTOLOGY VOL XVII No 62 December 25, 1930... December 25, 1930 Harris Co Ithaca, Y N U S A BUI,I,ETINS OF AMERICAN PAI,BONTOI,OGY Vol 17 No 62 Contributions to the Tertiary Paleontology of Northern Peru Part : By Eocene Mollusca 3, A A OlvSSON
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