A Late Triassic Footprint Fauna From The Culpeper Basin Northern Virginia U S A
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Late Triassic Footprint Fauna From The Culpeper Basin Northern Virginia U S
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Author : Robert Weems
language : en
Publisher: American Philosophical Society
Release Date : 2007-12
Late Triassic Footprint Fauna From The Culpeper Basin Northern Virginia U S written by Robert Weems and has been published by American Philosophical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12 with Nature categories.
Thousands of footprint impressions, probably of Norian age, have been discovered on a single bedding plane in a quarry in the Culpeper Basin of N. Virginia. About 830 tracks on this bedding surface, contained in 32 recognizable trackways, were studied in detail. The other tracks were too obscure for meaningful analysis. Herbivores greatly outnumber carnivores, & small herbivores are more abundant than large ones. The order of appearance of these trackmakers suggests that smaller & less agile species preferred soft ground, whereas larger carnivorous forms preferred a firmer substrate. From the measured print sizes, stride lengths, & pace angles, it was possible to estimate the hip height, body length, Froude numbers, & speed of each trackmaker. Illus.
A Late Triassic Footprint Fauna From The Culpeper Basin Northern Virginia U S A
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Author : Robert E. Weems
language : en
Publisher: American Philosophical Society
Release Date : 1987
A Late Triassic Footprint Fauna From The Culpeper Basin Northern Virginia U S A written by Robert E. Weems and has been published by American Philosophical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nature categories.
Thousands of footprint impressions, probably of Norian age, have been discovered on a single bedding plane in a quarry in the Culpeper Basin of N. Virginia. About 830 tracks on this bedding surface, contained in 32 recognizable trackways, were studied in detail. The other tracks were too obscure for meaningful analysis. Herbivores greatly outnumber carnivores, & small herbivores are more abundant than large ones. The order of appearance of these trackmakers suggests that smaller & less agile species preferred soft ground, whereas larger carnivorous forms preferred a firmer substrate. From the measured print sizes, stride lengths, & pace angles, it was possible to estimate the hip height, body length, Froude numbers, & speed of each trackmaker. Illus.
Chirotheres
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Author : Hendrik Klein
language : en
Publisher: Indiana University Press
Release Date : 2023-07-25
Chirotheres written by Hendrik Klein and has been published by Indiana University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-25 with Nature categories.
Comprehensive in detail and worldwide in scope, Chirotheres is the definitive compendium of what is known about the five-toed footprints of Triassic archosaurs, ancestors of the crocodiles. Sandstone slabs with extensive trackways have been known for almost two centuries and are highlights in museum exhibits around the globe. These trackways provide direct insight into the locomotion and behavior of the fascinating reptiles that made these tracks, and, together with known skeletons, they allow a richer reconstruction of chirothere lifestyle than is possible from bones alone. Written by expert researchers in the fields of vertebrate ichnology, vertebrate paleontology, and scientific illustration, Chirotheres explores the various facets of chirothere research including the history of their study, footprint formation and preservation, the bone record, the environment and lifestyle of chirotheres, and finally, their disappearance at the end of the Triassic. Chirotheres also features a global compendium of track collections with chirothere material, including specimen numbers, detailed phylogenetic definitions of track makers, and extensive measurements from key chirothere tracks and trackways. It represents an invaluable resource of anyone interested in these ancient animals.
Fossil Record 6 Volume 2
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Author : Spencer G. Lucas
language : en
Publisher: New Mexico Museum of Natural History and Science
Release Date :
Fossil Record 6 Volume 2 written by Spencer G. Lucas and has been published by New Mexico Museum of Natural History and Science this book supported file pdf, txt, epub, kindle and other format this book has been release on with Nature categories.
Geology Of The Chesapeake And Ohio Canal National Historical Park And Potomac River Corridor District Of Columbia Maryland West Virginia And Virginia
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Author : Scott Southworth
language : en
Publisher:
Release Date : 2008
Geology Of The Chesapeake And Ohio Canal National Historical Park And Potomac River Corridor District Of Columbia Maryland West Virginia And Virginia written by Scott Southworth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Geology categories.
The Triassic Tetrapod Footprint Record
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Author : HENDRIK KLEIN
language : en
Publisher: New Mexico Museum of Natural History and Science
Release Date : 2021-04-16
The Triassic Tetrapod Footprint Record written by HENDRIK KLEIN and has been published by New Mexico Museum of Natural History and Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-16 with Science categories.
The Triassic Jurassic Terrestrial Transition
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Author : Jerry D. Harris
language : en
Publisher: New Mexico Museum of Natural History and Science
Release Date : 2006-01-01
The Triassic Jurassic Terrestrial Transition written by Jerry D. Harris and has been published by New Mexico Museum of Natural History and Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-01 with Geology, Stratigraphic categories.
Dinosaurs Without Bones
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Author : Anthony J. Martin
language : en
Publisher: Open Road Media
Release Date : 2014-03-04
Dinosaurs Without Bones written by Anthony J. Martin and has been published by Open Road Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-04 with Science categories.
“[Bubbling] over with the joy of scientific discovery. . . . Great fun for anyone looking to revive their childhood dinosaur obsessions.” —Publishers Weekly, starred review What if we woke up one morning all of the dinosaur bones in the world were gone? How would we know these iconic animals had a 165-million year history on earth, and had adapted to all land-based environments from pole to pole? What clues would be left to discern not only their presence, but also to learn about their sex lives, raising of young, social lives, combat, and who ate who? What would it take for us to know how fast dinosaurs moved, whether they lived underground, climbed trees, or went for a swim? Welcome to the world of ichnology, the study of traces and trace fossils—such as tracks, trails, burrows, nests, toothmarks, and other vestiges of behavior—and how through these remarkable clues, we can explore and intuit the rich and complicated lives of dinosaurs. With a unique, detective-like approach, interpreting the forensic clues of these long-extinct animals that leave a much richer legacy than bones, Martin brings the wild world of the Mesozoic to life for the twenty-first-century reader.
The Dinosauria
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Author : David B. Weishampel
language : en
Publisher: Univ of California Press
Release Date : 2007-12-17
The Dinosauria written by David B. Weishampel and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-17 with Science categories.
This second edition includes coverage of dinosaur systematics, reproduction, life history strategies, biogeography, taphonomy, paleoecology, thermoregulation & extinction.
The Global Triassic
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Author : Spencer G. Lucas
language : en
Publisher: New Mexico Museum of Natural History and Science
Release Date : 2007-01-01
The Global Triassic written by Spencer G. Lucas and has been published by New Mexico Museum of Natural History and Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-01 with categories.