Trostle Quarry (tracks): Norian, Pennsylvania
collected by E. R. Haile 1937

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Rhynchosauroides brunswickii (Ryan and Willard 1947)
Olsen and Baird 1986
original and current combination Kintneria brunswickii
Reptilia - Grallatoridae
Anchisauripus sillimani (Hitchcock 1843)
Cuffey et al. 2006
recombined as Eubrontes sillimani
Grallator tenuis Hitchcock 1858
Cuffey et al. 2006
Atreipus milfordensis (Bock 1952)
Olsen and Baird 1986
synonym of Grallator tuberosus
CM 12081 and 12087
Reptilia - Otozoidae
? Otozoum minus Lull 1915
Cuffey et al. 2006
Reptilia - Moyenisauropodidae
Anomoepus sp. Hitchcock 1848
Anonymous 1937
Reptilia - Chirotheriidae
Brachychirotherium eyermani (Baird 1957)
Olsen and Baird 1986
unclassified
Scoyenia sp. White 1929
Olsen and Baird 1986
see common names

Geography
Country:United States State/province:Pennsylvania County:Adams
Coordinates: 40.0° North, 77.1° West (view map)
Paleocoordinates:14.4° North, 21.6° West
Basis of coordinate:based on nearby landmark
Altitude:103 meters
Geographic resolution:small collection
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Norian 10 m.y. bin:Triassic 4
Key time interval:Norian
Age range of interval:227.00000 - 208.50000 m.y. ago
Stratigraphy
Geological group:Chatham Formation:Gettysburg Member:Heidlersburg
Stratigraphic resolution:member
Stratigraphy comments: Approx. 6000 m above the base of the New Oxford Formation, 3900 m below the base of the Jurassic Aspers Basalt and within 450 m of the base of the Heidlersburg Member.
Lithology and environment
Primary lithology:desiccation cracks,wave ripples,gray,green siltstone
Secondary lithology:gray,green sandstone
Includes fossils?Y
Includes fossils?Y
Lithology description: sandstone and siltstone blocks with footprints; "greenish-grey shales and sandstones"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:mold/impression,trace
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:good
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:CM
Collectors:E. R. Haile Collection dates:1937
Collection method comments: "These tracks were discovered by an engineer employed by the Bureau of Public Roads, Mr. Elmer R. Haile, Jr., while he was supervising excavations."
Metadata
Also known as:York Springs, Gettysburg, South Confederate Avenue bridge
Database number:55414
Authorizer:M. Carrano Enterer:K. Maguire, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-10-20 11:51:35 Last modified:2023-06-15 11:09:35
Access level:the public Released:2005-10-20 11:51:35
Creative Commons license:CC BY
Reference information

Primary reference:
53932. A. Avinoff. 1937. Vertebrate Paleontology. Fortieth Annual Report of the Carnegie Museum for the Year Ended December 31, 1937 31-34 [M. Carrano/M. Carrano]

Secondary references:

63742 Anonymous. 1937. Quarry gives up dinosaur foot prints after millions of years. Pennsylvania Department of Internal Affairs Monthly Bulletin 4(3):12-15 [M. Carrano/M. Carrano]
63743 Anonymous. 1937. Vegetation changes cited among reasons for dinosaur extinction. Pennsylvania Department of Internal Affairs Monthly Bulletin 4(4):8-11 [M. Carrano/M. Carrano]
54452 Anonymous. 1938. A gift of dinosaur tracks. Carnegie Magazine 11(10):296-298 [M. Carrano/M. Carrano/M. Carrano]
54787 Anonymous. 1945. Dinosaur footprints in Pennsylvania. Rocks and Minerals 20:234 [M. Carrano/M. Carrano]
12444ETE D. Baird. 1957. Triassic reptile footprint faunules from Milford, New Jersey. Bulletin of the Museum of Comparative Zoology 117(5):449-520 [M. Carrano/M. Carrano/M. Carrano]
33998ETE R. J. Cuffey, J. D. Inners, G. M. Fleeger, R. C. Smith, II, J. C. Neubaum, R. C. Keen, L. Butts, H. L. Delano, A. Vr Neubaum and R. H. Howe. 2006. Geology of the Gettysburg battlefield: how Mesozoic events and processes impacted American history. In F. J. Pazzaglia (ed.), Excursions in Geology and History: Field Trips in the Middle Atlantic States. Geological Society of America Field Guide 8:1-16 [M. Carrano/M. Carrano/M. Carrano]
14907ETE P. E. Olsen and D. Baird. 1986. The ichnogenus Atreipus and its significance for Triassic biostratigraphy. In: K. Padian (ed.), The Beginning of the Age of Dinosaurs: Faunal Changes Across the Triassic-Jurassic Boundary. Cambridge University Press, Cambridge 61-87 [M. Carrano/K. Maguire/M. Carrano]
35183 V. L. Santucci and A. P. Hunt. 1995. Late Triassic Dinosaur Tracks Reinterpreted at Gettysburg National Military Park. Park Science 15(2):9 [M. Carrano/M. Oreska]
35162 V. L. Santucci, A. P. Hunt, T. Nyborg and J. P. Kenworthy. 2006. Additional fossil vertebrate tracks in National Park Service Areas. In S. G. Lucas, J. A. Spielmann, P. M. Hester, J. P. Kenworthy, & V. L. Santucci (eds.), Fossils from Federal Lands. New Mexico Museum of Natural History and Science Bulletin 34:152-158 [M. Uhen/M. Shalap/M. Carrano]
75724 G. W. Stose and A. I. Jonas. 1939. Geology and mineral resources of York County, Pennsylvania. Pennsylvania Geological Survey Bulletin, Fourth Series C67:1-199 [M. Carrano/M. Carrano]
84543 J. S. Tweet and V. L. Santucci. 2018. An inventory of non-avian dinosaurs from National Park Service areas. In S. G. Lucas & R. M. Sullivan (ed.), Fossil Record 6. New Mexico Museum of Natural History and Science Bulletin 79:703-730 [M. Carrano/M. Carrano]
85047 D. B. Weishampel and L. Young. 1996. Dinosaurs of the East Coast xiii-275 [M. Carrano/M. Carrano]