Search Results - "Marsh, Adam D."

Anatomy and systematics of the sauropodomorph Sarahsaurus aurifontanalis from the Early Jurassic Kayenta Formation by Marsh, Adam D, Rowe, Timothy B

“…Sarahsaurus aurifontanalis, from the Kayenta Formation of Arizona, is one of only three sauropodomorph dinosaurs known from the Early Jurassic of North…”
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Triassic stem caecilian supports dissorophoid origin of living amphibians by Kligman, Ben T., Gee, Bryan M., Marsh, Adam D., Nesbitt, Sterling J., Smith, Matthew E., Parker, William G., Stocker, Michelle R.

“…Living amphibians (Lissamphibia) include frogs and salamanders (Batrachia) and the limbless worm-like caecilians (Gymnophiona). The estimated Palaeozoic era…”
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Loss of GABAergic interneurons in laminae I-III of the spinal cord dorsal horn contributes to reduced GABAergic tone and neuropathic pain after spinal cord injury by Meisner, Jason G, Marsh, Adam D, Marsh, Daniel R

“…Abstract In this study we explore if loss of GABAergic inhibitory interneurons in the superficial dorsal horn of the spinal cord contributes to reduced…”
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A small venomous reptile from the Late Triassic (Norian) of the southwestern United States by Burch, Helen E, Eddins, Hannah-Marie S, Stocker, Michelle R, Kligman, Ben T, Marsh, Adam D, Parker, William G, Nesbitt, Sterling J

“…Reptile feeding strategies encompass a wide variety of diets and accompanying diversity in methods for subduing prey. One such strategy, the use of venom for…”
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Microanatomy and paleohistology of the intercentra of North American metoposaurids from the Upper Triassic of Petrified Forest National Park (Arizona, USA) with implications for the taxonomy and ontogeny of the group by Gee, Bryan M, Parker, William G, Marsh, Adam D

“…Metoposaurids are temnospondyl amphibians that are commonly recovered from the Chinle Formation deposits of North America. Two species, and , are known from…”
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First records of diapsid Palacrodon from the Norian, Late Triassic Chinle Formation of Arizona, and their biogeographic implications by Kligman, Ben, Marsh, Adam, Parker, William

“…Vertebrates from the Triassic Period have broadly disparate tooth shapes and dentition patterns, the result of intense morphospace experimentation following…”
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Incongruent ontogenetic maturity indicators in a Late Triassic archosaur (Aetosauria: Typothorax coccinarum) by Parker, William G., Reyes, William A., Marsh, Adam D.

“…Maximum individual body size in pseudosuchian archosaurs is not well constrained in the fossil record, but it may be influenced by a variety of factors…”
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Osteology and relationships of Revueltosaurus callenderi (Archosauria: Suchia) from the Upper Triassic (Norian) Chinle Formation of Petrified Forest National Park, Arizona, United States by Parker, William G., Nesbitt, Sterling J., Irmis, Randall B., Martz, Jeffrey W., Marsh, Adam D., Brown, Matthew A., Stocker, Michelle R., Werning, Sarah

“…Once known solely from dental material and thought to represent an early ornithischian dinosaur, the early‐diverging pseudosuchian Revueltosaurus callenderi is…”
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A new non-mammalian eucynodont from the Chinle Formation (Triassic: Norian), and implications for the early Mesozoic equatorial cynodont record by Kligman, Ben T, Marsh, Adam D, Sues, Hans-Dieter, Sidor, Christian A

“…The Upper Triassic tetrapod fossil record of North America features a pronounced discrepancy between the assemblages of present-day Virginia and North Carolina…”
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The earliest equatorial record of frogs from the Late Triassic of Arizona by Stocker, Michelle R, Nesbitt, Sterling J, Kligman, Ben T, Paluh, Daniel J, Marsh, Adam D, Blackburn, David C, Parker, William G

“…Crown-group frogs (Anura) originated over 200 Ma according to molecular phylogenetic analyses, though only a few fossils from high latitudes chronicle the…”
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Redescription of the Holotype Specimen of Chindesaurus bryansmalli Long and Murry, 1995 (Dinosauria, Theropoda), from Petrified Forest National Park, Arizona by Marsh, Adam D, Parker, William G, Langer, Max C, Nesbitt, Sterling J

“…Chindesaurus bryansmalli is an early dinosaur of uncertain affinities from the Late Triassic Chinle Formation at Petrified Forest National Park, Arizona. Since…”
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First Occurrence of Doswellia cf. D. Kaltenbachi (Archosauriformes) from the Late Triassic (Middle Norian) Chinle Formation of Arizona and Its Implications on Proposed Biostratigraphic Correlations across North America during the Late Triassic by Parker, William G, Nesbitt, Sterling J, Marsh, Adam D, Kligman, Ben T, Bader, Kenneth

“…Doswellia kaltenbachi is a long-snouted non-archosaur archosauriform known from the Late Triassic of the United States (Virginia and Texas). New material from…”
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Regional correlation of the Sonsela Member (Upper Triassic Chinle Formation) and detrital U-Pb zircon data from the Sonsela Sandstone Bed near the Sonsela Buttes, northeastern Arizona, USA, support the presence of a distributive fluvial system by Marsh, Adam D, Parker, William G, Stockli, Daniel F, Martz, Jeffrey W

“…The Sonsela Sandstone bed was first named as an informal unit in the lower part of the Chinle Formation in northern Arizona, USA, and it was later assigned a…”
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Redescription of Anaschisma (Temnospondyli: Metoposauridae) from the Late Triassic of Wyoming and the phylogeny of the Metoposauridae by Gee, Bryan M., Parker, William G., Marsh, Adam D.

“…Metoposaurids are non-marine temnospondyls that are among the most common constituents of Late Triassic deposits, but despite their abundance, the evolutionary…”
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New perspectives on NPS paleontological resource stewardship: Scientific, curatorial, and educational outcomes at Petrified Forest National Park by Parker, William G., Marsh, Adam D., Smith, Matthew E., Kligman, Ben T., Wagner, Deborah E., Varela, Phillip, Boudreau, Diana M.

“…Petrified Forest National Park (PEFO) was established to preserve fossils from the Triassic Period. After long relying solely on external partners, an internal…”
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First Record of Saurichthys (Actinopterygii) from the Upper Triassic (Chinle Formation, Norian) of Western North America by Kligman, Ben T, Parker, William G, Marsh, Adam D

“…Citation for this article: Kligman, B. T., W. G. Parker, and A. D. Marsh. 2017. First record of Saurichthys (Actinopterygii) from the Upper Triassic (Chinle…”
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Cranial Anatomy and Dentition of the Aetosaur Typothorax coccinarum (Archosauria: Pseudosuchia) from the Upper Triassic (Revueltian–Mid Norian) Chinle Formation of Arizona by Reyes, William A., Parker, William G., Marsh, Adam D.

“…Our understanding of Typothorax coccinarum is primarily based on postcranial material, along with a few isolated cranial elements. Here we describe the first…”
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Reidentification of the Holotype Specimen of Trilophosaurus buettneri Case, 1928 (Archosauromorpha, Trilophosauridae) from the Upper Triassic of Crosby County, Texas, U.S.A by Marsh, Adam D., Kligman, Ben T., Reyes, William A., Rountrey, Adam N.

“…The Late Triassic archosauromorph Trilophosaurus buettneri is known from many sites in the Dockum Group and Chinle Formation of Texas and Arizona, spanning…”
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CRANIAL ANATOMYAND DENTITION OF THE AETOSAUR TYPOTHORAX COCCINARUM (ARCHOSAURIA: PSEUDOSUCHIA) FROM THE UPPER TRIASSIC (REVUELTIAN–MID NORIAN) CHINLE FORMATION OF ARIZONA by REYES, WILLIAM A., PARKER, WILLIAM G., MARSH, ADAM D.

“…Our understanding of Typothorax coccinarum is primarily based on postcranial material, along with a few isolated cranial elements. Here we describe the first…”
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Using Manual Ungual Morphology to Predict Substrate Use in the Drepanosauromorpha and the Description of a New Species by Jenkins, Xavier A., Pritchard, Adam C., Marsh, Adam D., Kligman, Ben T., Sidor, Christian A., Reed, Kaye E.

“…Fossils of drepanosauromorphs, a clade of non-saurian diapsids, were once considered relatively rare in the Chinle Formation of the southwestern United States…”
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