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532 results for “Middle Eocene”
Fig. 30 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 30. Otoliths of Anisotremus rambo sp. nov. from the US middle and upper Eocene. A–B. "Stone City beds", Alabama Ferry, on Trinity River, North, Texas (IRSNB P 10192–10193). C. "Stone City beds", Rocky Branch, 1.5 miles SW of Stone City Bluff, sample 2, Texas (IRSNB P 10194). D. Wheelock M., Little Brazos River, confluence with Brazos River, Texas (IRSNB P 10195). E–F. "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10196–10197). A. Holotype (IRSNB P 10192). B–F. Paratypes (IRSNB P 10193–10197). 1 = ventral view; 2 = inner view; 3 = anterior view. Scale bars = 1 mm.
Fig. 16 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 16. Fish otoliths from the US middle and upper Eocene. A–E. Hoplobrotula melrosensis (Dante & Frizzell, 1965), "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10046–10050). F–H. Bauzaia lamberi Dante & Frizzell, 1965, "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10051–10053). I–N. Bauzaia mucronata (Koken, 1888). I–J. "Stone City beds", Stone City Bluff, Brazos River, sample 6 from bed U, Texas (IRSNB P 10054–10055). K–N. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 10056–10059). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 27 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 27. Fish otoliths from the US middle and upper Eocene. A–D. Centropristis priaboniana Nolf & Stringer, 2003, Moodys Branch F., Mississippi. A–B. Jackson, Town Creek (IRSNB P 10165–10166). C–D. Jackson, Riverside Park (IRSNB P 10167–10168). E–F. Serranidae indet. E. Kosciusko F., Dobys Bluff Tongue, Dobys Bluff, Mississippi (IRSNB P 10169). F. "upper" Lisbon F., Coffeeville Landing, Alabama (IRSNB P 10170). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 15 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 15. Fish otoliths from the US middle and upper Eocene. A–D. Bregmaceros troelli (Dante & Frizzell, 1965). A–B. "Stone City beds", Alabama Ferry on Trinity River, North, Texas (IRSNB P 10033–10034). C–D. Landrum M., Pin Oak Creek, Texas (IRSNB P 10035–10036). E–H. "Diretmus" serratus (Müller, 1999). E. "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10037). F. "Stone City beds", Alabama Ferry, on Trinity River, North, Texas (IRSNB P 10038). G–H. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 10039–10040). I–K. "Myripristis" cajun (Frizzell & Lamber, 1961). I. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 10041). J–K. "Stone City beds", Stone City Bluff, Brazos River, Texas (IRSNB P 10042–10043). L–M. Carapus smithvillensis (Dante & Frizzell, 1965), "Stone City beds", Alabama Ferry, on Trinity River, North, Texas (IRSNB P 10044–10045). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 14 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 14. Fish otoliths from the US middle and upper Eocene. A. Synodus sp., Moodys Branch F., Jackson, Town Creek, Mississippi (IRSNB P 10024). B–E. Genartina bambergi (Priem, 1913). B–C. Landrum M., Pin Oak Creek, Texas (IRSNB P 10025–10026). D–E. "Stone City beds", Stone City Bluff, Brazos River, sample 5 from bed S, Texas (IRSNB P 10027–10028). F–I. Genartina texana Dante & Frizzell, 1965, "Stone City beds", Stone City Bluff, Brazos River, sample 5 from bed S, Texas (IRSNB P 10029– 10032). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 13 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 13. Fish otoliths from the US middle and upper Eocene. A–C. "Conger" websteri (Frost, 1933), Piney Point F., Pamunkey River, 1 km E of Eanes property, Virginia (IRSNB P 10014–10016). D. "Osteoglossum" aff. rhomboidalis (Stinton, 1977), "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (P 10017). E–F. Neoopisthopterus weltoni sp. nov. E. Landrum M., Crockett, Texas, holotype (IRSNB P 10018). F. "Stone City beds", Stone City Bluff, Brazos River, bed I, Texas, paratype (IRSNB P 10019). G. Sardinops sp., Landrum M., Crockett, Texas (IRSNB P 10020). H. Clupeidae indet., Landrum M., Crockett, Texas (IRSNB P 10021). I–J. Plotosus sp., Wheelock M., Little Brazos River, confluence with Brazos River, Texas (P 10022–10023). 1 = ventral view; 2 = inner view; 3 = anterior view. Scale bars = 1 mm.
Fig. 36 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 36. Fish otoliths from the US middle and upper Eocene. A–B. Antigonia sp., Piney Point F., Pamunkey River, Virginia. A. SW of Pampatike Landing (IRSNB P 10250). B. Devil's Hole (IRSNB P 10251). C–F. Pagellus pamunkeyensis sp. nov., Piney Point F., Pamunkey River, 1 km E of Eanes property, Virginia. C–E. Paratypes (IRSNB P 10252–10254). F. Holotype (IRSNB P 10255). G–L. "Sparus" elegantulus (Koken, 1888). G. Landrum M., Pin Oak Creek, Texas (IRSNB P 10256). H–I. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 10257–10258). J–L. "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10259–10261). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 32 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 32. Fish otoliths from the US middle and upper Eocene. A–G. Ekokenia eporrecta (Koken, 1888). A–B. Wheelock M., Little Brazos River, confluence with Brazos River, Texas (IRSNB P 10204–10205). C–G. "Stone City beds", Stone City Bluff, Brazos River, sample 2, bed P, Texas (IRSNB P 10206– 10210). H–M. "Sciaena" claybornensis (Koken, 1888). H–K. Yazoo Clay, Copenhagen, Louisiana (IRSNB P 10211–10214). L–M. Moodys Branch F., Midway, Techeva Creek, Mississippi (IRSNB P 10215–10216). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 11 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 11. Fish otoliths from the US middle and upper Eocene. A–D. Ariosoma nonsector Nolf & Stringer, 2003. A–C. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 9993–9995). D. "Stone City beds", Stone City Bluff, Brazos River, sample 5 from bed S, Texas (IRSNB P 9996). E–F. Paraconger wechesensis sp. nov., Weches F., Wall Farm 1, Texas. E. Holotype (IRSNB P 9997). F. Paratype (IRSNB P 9998). G–L. Paraconger brazosensis (Dante & Frizzell, 1965), "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 9999–10004). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 29 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 29. Fish otoliths from the US middle and upper Eocene. A–D. "Latilus" sulcatus Koken, 1888. A. Moodys Branch F., Melvin (SE of town), Alabama (IRSNB P 10181). B–D. "Upper" Lisbon F., Barrytown, County Road 21, Alabama (IRSNB P 10182–10184). E. Malacanthidae indet., Weches F., Robbins, road side, Texas (IRSNB P 10185). F–G. Triglidae indet. F. Landrum M., Pin Oak Creek, Texas (IRSNB P 10186). G. "Stone City beds", Stone City Bluff, Brazos River, Texas (IRSNB P 10187). H–K. "Haemulon" obliquum (Müller, 1999), "Stone City beds", Stone City Bluff, Brazos River sample 2 from bed P, Texas (IRSNB P 10188–10191). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 9 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 9. Fish otoliths from the US middle and upper Eocene. A–C. "Muraenesox" barrytownensis sp. nov. A–B. "Stone City beds", Stone City Bluff, Brazos River, Texas, paratypes (IRSNB P 9969–9970). C. "Upper" Lisbon F., Barrytown, County Road 21, Alabama, holotype (IRSNB P 9971). D. Conger vetustus Frizzell & Lamber, 1962, "upper" Lisbon F., Coffeeville Landing, Alabama (IRSNB P 9972). E–F. Pseudophichthys texanus sp. nov., Weches F., Wall Farm 1, Texas. E. Paratype (IRSNB P 9973). F. Holotype (IRSNB P 9974). G–K. Pseudophichthys glaber (Koken, 1888). G–H. Wheelock M., Little Brazos River, Stenzel loc., Texas (IRSNB P 9975–9976). I–K. "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 9977–9979). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 8 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 8. Fish otoliths from the US middle and upper Eocene. A–B. Albula sp. (IRSNB P 9957–9958). A. Weches F., Wall Farm 2, Texas. B. "Stone City beds", Alabama Ferry, on Trinity River, North, Texas. C–D. Elopothrissus bernardlemorti sp. nov., "Stone City beds", Texas. C. Alabama Ferry, on Trinity River, North, holotype (IRSNB P 9959), D. Stone City Bluff, Brazos River, sample 2 from bed P, paratype (IRSNB P 9960). E–H. Pythonichthys colei (Müller, 1999). E–F. Landrum M., Pin Oak Creek, Texas (IRSNB P 9961–9962). G–H. "Stone City beds", Stone City Bluff, Brazos River, Texas (IRSNB P 9963–9964). I–L. Pterothrissus umbonatus (Koken, 1884), "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 9965–9968). M–N. Alaconger fornicatus (Frizzell & Lamber, 1962), Shubuta Clay M., Cynthia, Mississippi Lite clay pit, Mississippi (IRSNB P 10005–10006). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 6 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 6. Measured section at the Stone City Bluff, Brazos River locality, Texas (after Stenzel et al. 1957).
Fig. 12 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 12. Fish otoliths from the US middle and upper Eocene. A–C. Paraconger sector (Koken, 1888). A. Moodys Branch F., Jackson, Riverside Park, Mississippi (IRSNB P 10007). B. Piney Point F., Pamunkey River, loc. 25 of Müller, Virginia (IRSNB P 10008), paratype of P. americanus Müller, 1999. C. Moodys Branch F., Midway, Techeva Creek, Mississippi (IRSNB P 10009). D–G. "Conger" prolatus (Müller, 1999), Piney Point F., Virginia. D. Sand and gravel pit, Bottoms Bridge, loc. 22 of Müller, paratype (IRSNB P 10010). E–F. Pamunkey River, Devil's Hole (IRSNB P 10011–10012). G. Pamunkey River, SW of Pampatike Landing (IRSNB P 10013). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 35 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 35. Fish otoliths from the US middle and upper Eocene. A–I. "Sciaena" intermedia Koken, 1888. A–F. "Stone City beds", Stone City Bluff, Brazos River, sample 2 from bed P, Texas (IRSNB P 10235– 10240). G–H. "Upper" Lisbon F., Barrytown, County Road 21, Alabama (IRSNB P 10241–10242). I. "Stone City beds", Alabama Ferry, on Trinity River, North, Texas (IRSNB P 10243). J–O. "Sciaena" livesayi (Müller, 1999). J–M. Wheelock M., Little Brazos River, confluence with Brazos River, Texas (IRSNB P 10244–10247). N–O. Piney Point F., sand and gravel pit, Bottoms Bridge, loc. 22 of Müller, Virginia, paratypes (IRSNB P 10248–10249). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
Fig. 7 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 7. Measured section at the Pamunkey River, 1 km E of Eanes property, Virginia (after Strickland 1985, loc. 37).
Fig. 2 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 2. Stratigraphic position of otolith-bearing strata in the US Gulf Coast middle and upper Eocene. A. The studied formations are indicated in yellow (after Dockery 1980, 1986c). B. Detailed stratigraphic units and biostratigraphic zonations for the succession in Mississippi (after Dockery & Thompson 2016).
Fig. 1 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 1. Maps showing the sampling sites on the US Gulf and eastern Atlantic Coasts (Texas, Louisiana, Mississippi, Alabama, Virginia).A. Sites 1–23 from Texas. B. Sites 25–43 from Mississippi and Alabama. 1. Pin Oak Creek. 2. Hooker Creek. 3. Burleson Bluff. 4–10. Rocky Branch, 1.5 miles SW of Stone City Bluff, samples 0–6. 11. Stone City Bluff, Brazos River. 12. Little Brazos River, under Highway 21 bridge. 13. Little Brazos River, Stenzel loc. 14. Little Brazos River, 1.5 km S of Highway 21 bridge. 15. Little Brazos River, confluence with Brazos River. 16. Dunn's Ranch, NNE of Bryan. 17. Robbins, roadside. 18. Wall Farm 2. 19. Wall Farm 1. 20. Cedar Creek, E of Centerville. 21. Alabama Ferry, on Trinity River, North. 22. Crockett. 23. Nacogdoces Dam. 24. Copenhagen (after Nolf & Stringer 2003). 25. Cynthia, Mississippi Lite clay pit. 26. Midway, Techeva Creek. 27. Jackson, boring at the corner of Amite and Mill Streets. 28. Jackson, Town Creek. 29. Jackson, Riverside Park. 30. Newton, NE exit off Interstate 20. 31. Dobys Bluff. 32. Quitman, Archusa Water Park. 33. Chickasawhay River, Hunting Lodge. 34. Evansboro (SE of town). 35. Puss Cuss Creek. 36. Isney. 37. Melvin (SE of town). 38. Gilbertown. 39. Barrytown, County Road 21. 40. Coffeeville Landing, samples A–D. 41. Coffeeville Landing, sample S. 42. Little Stave Creek. 43. Claiborne Bluff, Gosport F. 44. Pamunkey River, Devil's Hole. 45. Pamunkey River, 1 km E of Eanes property. 46. Pamunkey River, Horseshoe, Old Church type locality. 47. Pamunkey River, SW of Pampatike Landing.
Fig. S1 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. S1. Comparison of Claibornian and Jacksonian otolith assemblages from the middle and late Eocene of the eastern and southern USA. A cluster analysis (A) and a principal coordinate analysis, PCoA (B) with Bray-Curtis similarity index were performed based on the taxonomic composition (presence/ absence) of each assemblage. Bootstrap values are given at the roots of each cluster in (A).
Fig. 38 in Middle and late Eocene fish otoliths from the eastern and southern USA
Fig. 38 (opposite page). Fish otoliths from the US middle and upper Eocene. A. "Ophichthus" brevior (Koken, 1888), holotype (ZMB Ot. 26), "Jackson Beds", Mississippi (?). B. Gnathophis dissimilis (Frizzell & Lamber, 1962), Moodys Branch F., Town Creek, Jackson, Mississippi (IRSNB P 9038). C. Paraconger solidus Müller, 1999, holotype (coll. Institut für Geowissenschaften, University of Leipzig, Nr. 10/P67), Piney Point F., loc. 24 (Horseshoe) of Müller, 1999, Virginia. D–G. Paraconger yazooensis Nolf & Stringer, 2003, Yazoo Clay, Tullos M., Copenhagen, Louisiana. D. Holotype (IRSNB P 6962). E–G. Paratypes (IRSNB P 6963–6965). H. Muraenanguilla aff. thevenini (Priem, 1906), Yazoo Clay, Copenhagen, Louisiana (IRSNB P 6966). I. Signata nicoli Dante & Frizzell, 1965, Weches F., Pleasanto, Atascosa County, Texas, holotype (USNM 23370). J. Xenosirembo decipiens (Koken, 1888), lectotype (ZMB Ot. 135), middle Eocene, "Clayborne Group", southern USA. K. Brotula aquitanica Nolf, 1980, Yazoo Clay, Tullos M., Copenhagen, Louisiana (IRSNB P 7419). L–O. Aequalobythites aequaloides (Nolf & Stringer, 2003), Yazoo Clay, Copenhagen, Louisiana. L. Holotype (IRSNB P 6977). M–O. Paratypes (IRSNB P 6978–6980). 1 = ventral view; 2 = inner view. Scale bars = 1 mm.
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