Portland Quarries, tracksite: Hettangian - Sinemurian, Connecticut
collected 1857

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Cunichoides marsupialoideus n. sp.
Hitchcock 1865 8 specimens
Reptilia - Grallatoridae
Brontozoum sillimanium (Hitchcock 1843)
6 specimens
recombined as Eubrontes sillimani
Brontozoum isodactylum Hitchcock 1858
Hitchcock 1858
synonym of Eubrontes
Brontozoum giganteum (Hitchcock 1836)
Hitchcock 1858
recombined as Eubrontes giganteus
Brontozoum divaricatum Hitchcock 1865
Hitchcock 1865 12 specimens
synonym of Eubrontes giganteus
Brontozoum validum Hitchcock 1858
Hitchcock 1858 1 specimen
synonym of Grallator tuberosus
Brontozoum exsertum Hitchcock 1858
Hitchcock 1858 4 specimens
synonym of Grallator tuberosus
Reptilia - Moyenisauropodidae
Grallator gracillimus (Hitchcock 1844)
Hitchcock 1858
synonym of Anomoepus scambus
Reptilia - Otozoidae
Otozoum moodii Hitchcock 1847
Hitchcock 1856
Reptilia
Isocampe strata Hitchcock 1858
Hitchcock 1858 1 specimen
unclassified
Hoplichnus equus Hitchcock 1858
Hitchcock 1858 1 specimen
Cunicularis spp.
Hitchcock 1865 20 specimens
misspelling Cunicularius
see common names

Geography
Country:United States State/province:Connecticut County:Middlesex
Coordinates: 41.6° North, 72.6° West (view map)
Paleocoordinates:23.3° North, 18.6° West
Basis of coordinate:based on nearby landmark
Altitude:33 meters
Geographic resolution:outcrop
Time
Period:Jurassic Epoch:Early/Lower Jurassic
10 m.y. bin:Jurassic 1
Key time interval:Hettangian - Sinemurian
Age range of interval:201.40000 - 192.90000 m.y. ago
Stratigraphy
Geological group:Agawam Formation:Portland
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:coarse,gray,red sandstone
Includes fossils?Y
Lithology description: gray and red, coarse micaceous sandstone
Environment:fluvial-lacustrine indet.
Taphonomy
Modes of preservation:cast,mold/impression,trace
Size of fossils:macrofossils
Preservation of anatomical detail:good
Associated major elements:some
Disassociated major elements:some
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:salvage,surface (float),field collection
Reason for describing collection:taxonomic analysis
Collection dates:1857
Metadata
Also known as:Lull 37, brownstone
Database number:91574
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2009-10-02 11:19:51 Last modified:2018-03-23 16:34:55
Access level:the public Released:2009-10-02 11:19:51
Creative Commons license:CC BY
Reference information

Primary reference:
30909. E. Hitchcock. 1848. An attempt to discriminate and describe the animals that made the fossil footmarks of the United States, and especially of New England. Memoirs of the American Academy of Arts and Sciences, new series 3:129-256 [M. Carrano/M. Carrano]

Secondary references:

30862ETE C. H. Hitchcock. 1865. Appendix [B]. Descriptive catalogue of the specimens in the Hitchcock Ichnological Cabinet of Amherst College. In C. H. Hitchcock (ed.), Supplement to the Ichnology of New England. A Report to the Government of Massachusetts in 1863 43-96 [M. Carrano/M. Carrano/M. Carrano]
52720 E. Hitchcock. 1856. Proceedings of the American Association for the Advancement of Science. Additional facts respecting the tracks of the Otozoum moodii on the Liassic sandstone of the Connecticut Valley 1856:228 [M. Carrano/M. Carrano/M. Carrano]
29531ETE E. Hitchcock. 1858. Ichnology of New England. A Report on the Sandstone of the Connecticut Valley, Especially its Fossil Footmarks, Made to the Government of the Commonwealth of Massachusetts xii-214 [M. Carrano/M. Carrano/M. Carrano]
53034 B. S. Lyman. 1894. Some New Red horizons. Proceedings of the American Philosophical Society 33:192-215 [M. Carrano/M. Carrano]
18113ETE P. E. Olsen and E. C. Rainforth. 2003. The Early Jurassic ornithischian dinosaurian ichnogenus Anomoepus. In P. M. LeTourneau & P. E. Olsen (ed.), The Great Rift Valleys of Pangea in Eastern North America, Volume 2: Sedimentology, Stratigraphy, and Paleontology 314-368 [M. Carrano/M. Carrano/M. Carrano]