{"product_id":"413-new-gastropods-from-the-eocene-claibornian-of-the-u-s-gulf-coastal-plain-with-a-review-of-several-other-poorly-known-gastropod-taxa","title":"413 New Gastropods from the Eocene (Claibornian) of the U.S. Gulf Coastal Plain with a Review of Several Other Poorly Known Gastropod Taxa","description":"\u003cp\u003eHundreds of field trips over a period of more than 40 years, to a broad swath of Middle Claiborne fossil localities in the Gulf Coast, resulted in the discovery of many new taxa. This study discusses and describes many of the better-preserved taxa found. A new family Surculitidae is proposed; the following new genera and subgenera are proposed: Trochilepas, Siphonalia (Katherinalia), Eocymia, Surculamella, and Ossacythara. The following 108 new species and subspecies are proposed: \u003ci\u003eTrochilepas harasewychia\u003c\/i\u003e, \u003ci\u003eAcmaea claibornica\u003c\/i\u003e, \u003ci\u003eClypidina (Clypidina) fragilis\u003c\/i\u003e, \u003ci\u003eFissurellidea eogentis\u003c\/i\u003e, \u003ci\u003eCoanollonia eocaenica\u003c\/i\u003e, \u003ci\u003eBayania elegans\u003c\/i\u003e, \u003ci\u003eBayania\u003c\/i\u003e ? \u003ci\u003efunicula\u003c\/i\u003e, \u003ci\u003eDirocerithium parvabrazensis\u003c\/i\u003e, \u003ci\u003eElimia texana\u003c\/i\u003e, \u003ci\u003eAlaba laevae\u003c\/i\u003e, \u003ci\u003eNanggulania americana\u003c\/i\u003e, \u003ci\u003eCapulus coqueremons\u003c\/i\u003e, \u003ci\u003eLippistes eocaenica\u003c\/i\u003e, \u003ci\u003ePriscoficus lenis\u003c\/i\u003e, \u003ci\u003eNeverita (Neverita) elongata\u003c\/i\u003e, \u003ci\u003ePolinices symondsi\u003c\/i\u003e, \u003ci\u003eAnticlimax traceyi\u003c\/i\u003e, \u003ci\u003eTornus beadata\u003c\/i\u003e, \u003ci\u003eCochliolepis problematica\u003c\/i\u003e, \u003ci\u003eTeinostoma (Megatyloma) gosportensis\u003c\/i\u003e, \u003ci\u003eMeioceras smithvillensis\u003c\/i\u003e, \u003ci\u003eOnustus coqueremons\u003c\/i\u003e, \u003ci\u003eMacromphalina parvicostata\u003c\/i\u003e, \u003ci\u003eMacromphalina parviexempla\u003c\/i\u003e, \u003ci\u003eMelanella carinata\u003c\/i\u003e, \u003ci\u003ePhalium (Semicassis ?)\u003c\/i\u003e \u003ci\u003ewechesensis\u003c\/i\u003e, \u003ci\u003eSconsia wrigleyi\u003c\/i\u003e, \u003ci\u003eRanella murus\u003c\/i\u003e, \u003ci\u003ePtychosalpinx texana\u003c\/i\u003e, \u003ci\u003eSiphonalia (Katherinalia) neptuniformis\u003c\/i\u003e, \u003ci\u003eSiphonalia (Katherinalia) multiformis\u003c\/i\u003e, \u003ci\u003ePapillina dumosa wechesensis\u003c\/i\u003e, \u003ci\u003eLatirus brevilenis\u003c\/i\u003e, \u003ci\u003eHeligmotoma nacogdochensis\u003c\/i\u003e, \u003ci\u003eFusinus pseudopagoda\u003c\/i\u003e, \u003ci\u003eConradconfusus claibornensis\u003c\/i\u003e, \u003ci\u003eFalsifusus nacogdochensis\u003c\/i\u003e, \u003ci\u003eFalsifusus spiralis\u003c\/i\u003e, \u003ci\u003eFalsifusus sublimis\u003c\/i\u003e, \u003ci\u003eCantharus houstonensis\u003c\/i\u003e, \u003ci\u003eCantharus uitta\u003c\/i\u003e, \u003ci\u003eAmphissa alabamensis\u003c\/i\u003e, \u003ci\u003eLevifusus gracilis\u003c\/i\u003e, \u003ci\u003eLevifusus irrasus lineatus\u003c\/i\u003e, \u003ci\u003eDorsanum elongatum\u003c\/i\u003e, \u003ci\u003ePaleofusus wechesensis\u003c\/i\u003e, \u003ci\u003eSearlesia duplicata\u003c\/i\u003e, \u003ci\u003ePterynotus robustus\u003c\/i\u003e, \u003ci\u003eHexaplex tejasensis\u003c\/i\u003e, \u003ci\u003eHexaplex nudus\u003c\/i\u003e, \u003ci\u003ePhyllonotus multilaminus\u003c\/i\u003e, \u003ci\u003eMurexsul iuvenilis\u003c\/i\u003e, \u003ci\u003eMurexiella squamosa\u003c\/i\u003e, \u003ci\u003eEocymia claibornica\u003c\/i\u003e, \u003ci\u003eFiculomorpha eocaenica\u003c\/i\u003e, \u003ci\u003eHarpa atascosita\u003c\/i\u003e, \u003ci\u003eVolutocorbis claibornica\u003c\/i\u003e, \u003ci\u003eVolutocorbis quadrataformis\u003c\/i\u003e, \u003ci\u003eScaphella burlesonensis\u003c\/i\u003e, \u003ci\u003eExilia wechesensis\u003c\/i\u003e, \u003ci\u003eExilia kantori\u003c\/i\u003e, \u003ci\u003eAnbullina minor\u003c\/i\u003e, \u003ci\u003eAnbullina\u003c\/i\u003e ? \u003ci\u003elaevicutis\u003c\/i\u003e, \u003ci\u003eAncillus wechesensis\u003c\/i\u003e, \u003ci\u003eSurculites montgomeriensis\u003c\/i\u003e, \u003ci\u003eSurculamella parvabrazensis\u003c\/i\u003e, \u003ci\u003eHastula (Bulbihastula) iuga\u003c\/i\u003e, \u003ci\u003eGemmula complanata\u003c\/i\u003e, \u003ci\u003eHesperiturris acuticosta\u003c\/i\u003e, \u003ci\u003eTrypanotopsis lisbonensis\u003c\/i\u003e, \u003ci\u003eMicrosurcula praeintacta\u003c\/i\u003e, \u003ci\u003eMicrosurcula stromboida\u003c\/i\u003e, \u003ci\u003eProtosurcula obesus\u003c\/i\u003e, \u003ci\u003eCordiera crassisculpta\u003c\/i\u003e, \u003ci\u003eScobinella (Moniliopsis) elegansa\u003c\/i\u003e, \u003ci\u003eAwateria meta\u003c\/i\u003e, \u003ci\u003eMicrodrillia faba\u003c\/i\u003e, \u003ci\u003eMicrodrillia elongata\u003c\/i\u003e, \u003ci\u003ePleurofusia imminutia\u003c\/i\u003e, \u003ci\u003eCochlespira nuda\u003c\/i\u003e, \u003ci\u003eAustrocarina nitidus\u003c\/i\u003e, \u003ci\u003eLeptosurcula nodofenestra\u003c\/i\u003e, \u003ci\u003eLeptosurcula alabamensis\u003c\/i\u003e, \u003ci\u003eEoclathurella coqueremons\u003c\/i\u003e, \u003ci\u003eEoclathurella tenuis\u003c\/i\u003e, \u003ci\u003eEoclathurella\u003c\/i\u003e ? \u003ci\u003eelegantissima\u003c\/i\u003e, \u003ci\u003eOssacythara wechesensis\u003c\/i\u003e, \u003ci\u003ePhandella gosportensis\u003c\/i\u003e, \u003ci\u003eEodaphne brazosensis\u003c\/i\u003e, \u003ci\u003eCaveola elongata\u003c\/i\u003e, \u003ci\u003eUnitas wechesensis\u003c\/i\u003e, \u003ci\u003eUnitas gosportensis\u003c\/i\u003e, \u003ci\u003eMicrocancilla parvastavensis\u003c\/i\u003e, \u003ci\u003eCoptostoma nacogdochensis\u003c\/i\u003e, \u003ci\u003eArchitectonica fungina teres\u003c\/i\u003e, \u003ci\u003eArchitectonica (Granosolarium) umbilicrassa\u003c\/i\u003e, \u003ci\u003ePseudotorinia\u003c\/i\u003e ? \u003ci\u003ebieleri\u003c\/i\u003e, \u003ci\u003ePseudomalaxis gosportensis\u003c\/i\u003e, \u003ci\u003eTurbonilla parallela\u003c\/i\u003e, \u003ci\u003eTurbonilla pseudoeulimella\u003c\/i\u003e, \u003ci\u003eParthenina longiformis\u003c\/i\u003e, \u003ci\u003ePuposyrnola palus\u003c\/i\u003e, \u003ci\u003eEulimella parvabrazensis\u003c\/i\u003e, \u003ci\u003eEulimella texana\u003c\/i\u003e, \u003ci\u003eScaphander punctatus\u003c\/i\u003e, \u003ci\u003eRhizorus spinosus\u003c\/i\u003e, \u003ci\u003eAtys tumidus\u003c\/i\u003e, and \u003ci\u003ePhysa aequua\u003c\/i\u003e. Two new species are left in open nomenclature: \u003ci\u003eEunaticina\u003c\/i\u003e ? sp. and \u003ci\u003eSigatica\u003c\/i\u003e sp. The following poorly known taxa are also discussed and new combinations assigned when necessary: \u003ci\u003eGaleodea dubia\u003c\/i\u003e (Aldrich, 1885), \u003ci\u003eLevifusus\u003c\/i\u003e ? \u003ci\u003eharrisi\u003c\/i\u003e Grabau, 1903 (neotype here designated), \u003ci\u003eEchinofulgur\u003c\/i\u003e cf. \u003ci\u003eexplicatus\u003c\/i\u003e (Conrad, 1833b) (neotype here designated), \u003ci\u003eMurex fusates\u003c\/i\u003e G. D. Harris, 1895a, \u003ci\u003eTropidoturris dipta\u003c\/i\u003e (G. D. Harris, 1937), \u003ci\u003eTropidoturris pinaculina\u003c\/i\u003e (de Gregorio, 1890) (neotype here designated), and \u003ci\u003ePleurofusia longirostropis\u003c\/i\u003e de Gregorio, 1890 (neotype here designated). With an approximate 12% increase in the number of new gastropod species described from the middle Claibornian Eocene, the total number is now more than 1,000 species, indicating a more diverse biota than previously understood, especially within the Weches and Cane River formations.\u003c\/p\u003e","brand":"Paleontological Research Institution","offers":[{"title":"Default Title","offer_id":47424834502817,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0302\/1504\/5252\/files\/ScreenShot2026-09-15at12.54.05PM.png?v=1789491311","url":"https:\/\/pri-gift-shop.myshopify.com\/products\/413-new-gastropods-from-the-eocene-claibornian-of-the-u-s-gulf-coastal-plain-with-a-review-of-several-other-poorly-known-gastropod-taxa","provider":"Paleontological Research Institution","version":"1.0","type":"link"}