/>, 'V BULLETINS AMERICAN PALEONTOLOGY Vol June 30, igip Company Harris Cornell Univ., U S Ithaca, A N Y BULLETINS AMERICAN PALEONTOLOGY Vol NUMBER 31 i^S%^ /tine JO, 19 '^?^^! ^^^/onal Harris Cornell Univ., Company Ithaca, U S A N Y tf««^^' Bull Vol Timothy Abbott Coni'ad 1803 - 1S77 Sir Charles Lyell 1797 - 1S75 Frontispiece Amer Paleont Isaac Lea ijg2 - 1S86 Truman Hemingway Aldrich 1848 BUI,I,BTINS OF AMERICAN PAI,KONTOI.OGY Vol No 31 PELECYPODA OF THE ST I^AURICE AND CLAIBORNE STAGES BY G D Harris June JO, igip Cornell Univ., Ithaca, N U S A Harris Co Y To The Hon Truman H Aldrich Who has continuously maintained that true Conradian love for Our Eocene Mollusca from the On last days of that forgetful dreamer into the Twentieth Century this work Most respectfully dedicated By the Author is Bulletin 26o 260 31 PLATE 59 Figure Page Panopea porredoides 103 mm Aldi , Baker's Bluff Soleu lisbonensis Aid., Cultellus conradi Cos&mSinn, St/igua Martesia texaria Har., mm., Alto, Tex /Hondsi Har., Jackson Eocene 6-10 Coll mm.,, Ivisbon 2T, mm., Brazos Co , 195 Tex 196 ? Mus Tex ; 196 197 figure Aid Ivisbon Natural size No 452, Tex State Mus Coll Lewis' house, two miles east of Alto, Cherokee Co natural size ; Gasti-ochcsna larva Conrad, Claiborne Fig II, 4.4 mm 12, 12, (Copy 197 these Bulletins, vol ; i, pi 6, fig Aid Coll mm ; copy of Conrad's original Jour Sci., vol 13 195 mm., Claiborne base of Claiborne Bluff 7, 8, II, 12 St, Pholadomya daibornensis Aldrich Fig 6, 40 mm., copy of Aldrich's original 9, 194 Aldrich Coll , St Ferr sand ; I, 1846, pi Xylophaga mississippiensis Meyer, figure, Amer fig I, mm ; Newton 198 Aldrich Coll 14, 15 16 17, a Gastrochczna s^., after Teredo simplex Lea : Meyer, 11 Teredo simplexopsis de Gregorio Coll Claiborne mm ; Claiborne (Copy) Claiborne ; natural size 190 199 ; de Gregorio PI 59, No 31, ffull Amcr Pal Vol 6, PI 59 INDEX Note — Page numbers are in TO VOLUME Roman numerals ; plate numbers are in Italics Astarte conradi var Abra nitens §2 Adrana aldrichiana 2§ Alveinus minutus Con j7 Amphidesma minor 92 71 minutissinia 95 no monroensis neuseana linosa 73 170 profunda 171 tellinula 173 28 Amussium squamuluni 75 A natina claibornensis Anomalocardia ephippioides 12 jugosa lisbonensis 22 triangulata 17 triangulatoides 56 22 54 21, 22 22 22 53 52 91 ^o 127 29 claibornensis 29 limula 29 Axinea idonea 47 46 staminea trigonella 49 B Bornia dalli j^ isosceles j/ j/ j/ perdita 53 167 plectopygia prima 91 200 92 200 55 108 109 109 108 109 j/ scintillata 32 32 Barbatia aldrichi 55 51, 167 Astarte aldrichiana 89, 90 91 ungulina Avicula cardincrassa 54 52 raveneli callosa 90 18 56 paraba arata 90 tellinoides 55 reticnl ata 90 m 16 55 mississippiensis americana 201 sulcata 22 inornata rhomboidella var subscopula vaughani Arcopagia alta prorata protracta smithvillensis 17 aspera ludoviciana 90 201 16 18 harrisi nicklinii pitua 51 // navicelloides Area aldrichi 94 92 ^2 recurva // ephippium var hammetti var 80 rhomboid- ella Anomia 179 200 j ebla 107 Byssomia petricoloides 34 c Cardiotnya 84 BuivlvETIN 262 Cardita bilineata 86 31 85 carolinensis subquadrata subrotunda 31 86 31 86 vigintinaria 31 86 Cardium claibornense var gainesense 132 41 131 ^/ harrisi hatchitigbeense magnum 42 Coralliophaga 5° 130 151 Corbis claibornensis 48 40 154 123 distans 124 lamellosa 123 undata Corbula alabamiensis stock alabamiensis aldrichi var var 40 185 185 56 amara var citronella compressa densata extenuata var fossata var gregorioi gibbosa var 193 191 19 J ima murchisoni nasuta 194 185, 188 ignota 85 58 191 185 oniscus 191 perdubia perdubia rugosa 187 smithvillensis 88 188, 258 57 193 Crassatellites 96 96 altef ormis 88 99 35, 36 104 antestriatus 34 98 clarkensis 34 100 f errocarolinus clarkensis, var 100 ludovici- anus 102 ludovicianus 102 minor negreetensis parvus 186 58 texalta 200 186 58 58 100 99, 100 trapaquara tumidula obliquatus 187, 189 5J productus 188 185 conradi 96 90 protextus 124 185 92 100 32 Crassatella flexurus altus claibornen- sis 104 Crassin ella minor palmula 185 190 ;^j wailesiana halei 132 185, 186 Crassatella alta 132 148 exigua 47 41 Chama monroensis dementia mercenaroidea 47 subengonata Corbula subnasuta texana I3^ I33 ouachitense Caryatis exigua 26a 31 92 33 97 103 93 100 postclarkensis productus protextus psychopterus 33 loi rhomboideus 34 99 100 89 texaltus 36 texanus trapaquara 34 03 97 96 33 Crenella costata 36 isocardioides ly 35 latifrons // ly 35 margaritacea 35 89 Crustuloides, n subgen Cucullasarca cuculloides Cultellus conradi 54 51, 59 Cumingia ? keittensis 5^", 33 Cuna ? astartoides 32 95 173 94 «63 St, Cuna Maurice and Claibornk Pei^ecypoda var fimbriata 263 94 Egeria donacea iS^ j2 94 inflata 129 32 93 nana 128 32 nitens 173 ^^ 93 184 oval is 163 multiornata 55 183 163 183 plana rotunda 119 122 triangulata 139 138 cominduta cominduta 138 comis 138 Knsicu lus conradi Ervilia meyeri Erycina aequorea monroensis parva subparva Cuspidaria attenuata var prima Cyclas subvexa symmetrica Cy therea sequorea' var aldrichi var 139 discoidalis 146, hydana 48 152 hydii 139, 140 nuttali 143, 148 perovata 143 trigon iata Cytheriopsis hydana , 144 46 152 157 Egerella subtrigona 48 48 triangulata 48 156 plicatula 140 139 nuttali 40 deltoidea 74 177 107 177 whitfieldi j/ 107 F Felania 126 Felaniella nana 128 Gaf rarium distans 144 127 Gemma 155 98 ^o larva 97 sancti-mauricensis 130 Glycymeris idonea 47 20 ignus inflata 40 126 var nana jo 128 lisbonensis 124 var minor var percuneata 40 127, 128 24 123 liratum Gari filosa Gastrochgena bipartita 127 ungulina 95 j/ 43 138 perovata poulsoni Diplodonta astartiformis Donax ^2 G Dione aequorea mortoni turgida 157 59 rectilinearis D corbiscula 156 veneriformis 138 poulsoni 127 20 152 47 50 48 49, 50 50 156 sabinensis 21 51 plana 163 staminea 20 var tiga 156 var striata 46 50 148 trigonella 20 49 50 200 limatula Dosinia alta mercenaroidea 151 E Egeria bucklandii 156 wautubbeana Goodallia americana Gratelupia hydana var moulinsi ^7 152 152 Bulletin 264 var symetrica 2or H vanuxemi wautubbeana Lima Hindsiella donacia faba 106 j/ J7 107 Hippagus isocardioides 35 264 31 harrisiana 2^ 70 2^ 16 69 29 vicksburgiana Limopsis var abbreviata 29 41 aviculoides /5 36, var Carolina L 41 corbuloides Leda aldrichiana 71 51 39 bastropensis 2^ 64 cossmanni cuneus bella 24 64 decisa 41 57 ellipsis 70 68 ledoides 43 38 brongniarti calcarensis 25 69, canonica carolinensis 2^ catasarca 2^ chipolana 70 66, 68 20 45 38 pectunicularis 42, 43 pulchra Ivirodiscus protractus J2 39 90 68 psychopterus j2 89 coelata 2j 57 smitlivillensis 89 ccelatoides 2j 57 62 tellinoides j/ j2 compsa crassiparva 25 houstonia jj .59 keittensis linifera 68 66 equalis 2^ ' var lisbonensis magna 24 24 Ivithodomus claibornensis petricoloides petricoloides Ivoripes 68 Lucina alveata amica 63 62 34 Ivithophaga claibornensis // 67 // 34 34 119 subvexa bisculpta 90 34 113, 115 S7 j5 m 117 magnopsis media milamensis 24 64 carinifera 2^ 65 claibornensis 2j 69 58 compressa multilineata opulenta ozarkola pistorupes plana 2j 62 2^ 68 24 65 60 Itevis plicata 64 modesta pulcherrima quercoUis 61 orbella 126 67 ozarkana jS 113, pandata jp papyracea j