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Fig. 21 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 21. Eutrephoceras dekayi (Morton, 1834). A. Suture of MAPS A2012h4 at a diameter of 25.7 mm, AMNH loc. 3345, uppermost New Egypt Formation and basal Hornerstown Formation, northwest of Eatontown, Monmouth County, New Jersey. B. Suture of AMNH 50381 at a whorl width of 43.8 mm, basal Navesink Formation, Atlantic Highlands, Monmouth County, New Jersey.
Fig. 19 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 19. Eutrephoceras dekayi (Morton, 1834). A–K. Uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County, New Jersey.
Fig. 20 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 20. Eutrephoceras dekayi (Morton, 1834). Uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County, New Jersey. A– D. AMNH 47442. A, Right lateral; B, apertural; C, ventral; D, left lateral. E–H. MAPS A2012h3. E, Right lateral; F, apertural; G, ventral; H, left lateral. All figures are X1.
Fig. 22 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 22. Sphenodiscus pleurisepta (Conrad, 1857). AMNH 47118, uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County. A, Right lateral; B, left lateral. All figures are X1.
Fig. 25 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 25. Sphenodiscus lobatus (Tuomey, 1856), Tinton Formation, AMNH loc. 3348, Tinton Falls, Monmouth County, New Jersey. A. MAPS 2002a9, suture at the adapical end of the specimen at a whorl height of approximately 139 mm. B. MAPS A2002a8, suture at a whorl height of approximately 91 mm.
Fig. 16. A in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 16. A. Measurements of nautilids. B. Definition of taper angle of baculites. C. Terminology and measurements of scaphites.
Fig. 18 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 18. Eutrephoceras dekayi (Morton, 1834). A–C. MAPS A2012h6, uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County,
Fig. 17 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 17. Eutrephoceras dekayi (Morton, 1834). A–D. AMNH 47440, uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County,
Fig. 23 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 23. Sphenodiscus lobatus (Tuomey, 1856). MAPS A2002a8, Tinton Formation, AMNH loc. 3348, Tinton Falls, Monmouth County, New Jersey, left lateral. Note the circular depressions near the base of the body chamber on the adoral end of the specimen. Figure reduced X0.62.
Fig. 14 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 14. Correlation of the samples from northeastern Monmouth County, New Jersey, with the Santee Coastal Reserve (SCR) core based on the distribution of dinoflagellates. The magnetochron below 468 ft is indeterminate.
Fig. 15 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 15. Paleogeographic map showing the position of the shoreline of the eastern half of North America at the end of the Cretaceous based on stratigraphic sections spanning the K/T boundary. Circles are marine sections; boxes are terrestrial sections; circles within boxes are mixed marine/terrestrial sections. Explanations for 1–27 are in the appendix. 28, 29 = Raton Basin, New Mexico and Colorado (Izett, 1990); 30 = Denver Basin, Colorado (Brown, 1943; Nichols and Fleming, 2002); 31 = Lance Creek area, Wyoming (Bohor et al., 1987); 32 = Powder River Basin, near Sussex, Johnson County, Wyoming (Nichols et al., 1992); 33 = Slope and Bowman Counties, North Dakota (Nichols and Johnson, 2002); 34 = Makoshika State Park, Dawson County, Montana (Lund et al., 2002); 35 = Hell Creek area, Montana (Bohor et al., 1987).
Fig. 13 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 13. The relationship between age and depth in the Santee Coastal Reserve (SCR) core, Charleston, South Carolina (Edwards et al., 1999), based on calcareous nannofossil and magnetostratigraphic datums. Symbols: O = First Appearance Datum; + = Last Appearance Datum; • = Cretaceous/Tertiary boundary; I = paleomagnetic datum.
Fig. 12. A in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 12. A. Grain size analysis of the composite section at AMNH locs. 3345, 3346, and 3349, northeastern Monmouth County, New Jersey. The New Egypt/Hornerstown formational contact is plotted at 0. The percentage is by weight. B. Mineralogy of the same samples as percentage of grains of glauconite, mica, and other (e.g., quartz, heavy minerals).
Fig. 41. A–D in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 41. A–D. Discoscaphites iris (Conrad, 1858), uppermost New Egypt Formation and basal Hornerstown Formation, AMNH loc. 3345, northwest of Eatontown, Monmouth County, New Jersey. A, B. AMNH 47365, a fragment of a macroconch, part of the last suture at a whorl height of approximately 18.2 mm and internal lobe of another suture on the inner whorls. C. AMNH 51060, a macroconch, part of the last suture at a whorl height of 19.7 mm. D. AMNH 51059, a macroconch, part of a composite of two sutures at a whorl height of 7.9 mm. E. Discoscaphites gulosus (Morton, 1834), AMNH 47106, same locality as A–D, part of a composite of two sutures at whorl heights of 17.3 mm and 17.6 mm. F. Discoscaphites sp., AMNH 47107, a fragment, same locality as A–D, part of a suture at a whorl height of approximately 10.3 mm.
Fig. 11 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 11. Diagram of the contact between the New Egypt and Hornerstown Formations at AMNH loc. 3345, Parkers Creek, northeastern Monmouth County, New Jersey, showing the distribution of cephalopods and bivalves. Vertical scale = 35 cm; horizontal scale = 13 m. Not all of the fossils collected are shown nor do the symbols imply that the specimens are whole. The diagram is intended to provide an overview of the distribution of molluscan fossils, documenting that most of them occur at the formational contact.
Fig. 40. A–D, J–P in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 40. A–D, J–P. Discoscaphites minardi Landman et al., 2004. A–D. MAPS A2059b2, macroconch, upper New Egypt Formation, 1.5–2 m below the base of the Hornerstown Formation, AMNH loc. 3347, northwest of Eatontown, Monmouth County, New Jersey. A, Left lateral; B, apertural; C, ventral; D, left lateral. J–M. AMNH 47307, macroconch, upper New Egypt Formation, 1.5–2 m below the base of the Hornerstown Formation, AMNH loc. 3346, northwest of Eatontown, Monmouth County, New Jersey. J. Right lateral; K, apertural; L, ventral; M, left lateral. N–P. AMNH 47305, microconch, same locality as J–M. N, Right lateral; O, ventral, P, left lateral. E–I, Q–S. Discoscaphites spp., same locality as J–P. E–G. AMNH 47301. E, Right lateral; F, ventral; G, left lateral. H, I. AMNH 47300. H, Right lateral; I, left lateral. Q–S. AMNH 47304. Q, Right lateral; R, ventral; S, left lateral. All specimens are X1.
Fig. 9. Dinoflagellates from USGS Paleobotan. loc. R6234 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 9. Dinoflagellates from USGS Paleobotan. loc. R6234, lower part of the Hornerstown Formation, Parkers Creek, 0.3 km east of Rt. 35, northwest of Eatontown, northeastern Monmouth County,
Fig. 8. Dinoflagellates from USGS Paleobotan. loc. R6234 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 8. Dinoflagellates from USGS Paleobotan. loc. R6234, upper part of the New Egypt Formation and lower part of the Hornerstown Formation, Parkers Creek, 0.3 km east of Rt. 35, northwest of
Fig. 7. Dinoflagellates from northeastern Monmouth County, New Jersey. A, B, H, I. USGS Paleobotan. loc. R6234E in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 7. Dinoflagellates from northeastern Monmouth County, New Jersey. A, B, H, I. USGS Paleobotan. loc. R6234E, New Egypt Formation, approximately 1.5–2.0 m below the base of the Hornerstown Formation, Parkers Creek, 0.1 km east of Rt. 35, northwest of Eatontown. C, F, G. USGS Paleobotan.
Fig. 4 in Cephalopods From The Cretaceous/Tertiary Boundary Interval On The Atlantic Coastal Plain, With A Description Of The Highest Ammonite Zones In North America. Part 2. Northeastern Monmouth County, New Jersey
Fig. 4. Comparison of stratigraphic sections at localities in northeastern Monmouth County, New Jersey. Numbers correspond to those in the list of localities.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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