quarry west of Middletown, tracksite: Hettangian - Sinemurian, Connecticut
collected by J. Barratt

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Grallatoridae
Ornithoidichnites sillimani n. sp. Hitchcock 1843
Hitchcock 1848
recombined as Eubrontes sillimani
Ornithoidichnites cuneatus (Hitchcock 1837)
synonym of Eubrontes sillimani
Eubrontes dananus n. sp. Hitchcock 1845
Lull 1904
synonym of Eubrontes sillimani
Ornithoidichnites giganteus (Hitchcock 1836)
recombined as Eubrontes giganteus
Ornithoidichnites tuberosus (Hitchcock 1836)
recombined as Grallator tuberosus
Anchisauripus hitchcocki Lull 1904
Lull 1953
synonym of Grallator tenuis
Reptilia - Batrachopodidae
Anisopus gracilis (Hitchcock 1845)
Hitchcock 1865 1 specimen
original and current combination Batrachopus gracilis
Anisopus barrattii
Hitchcock 1848 2 specimens
synonym of Batrachopus
Anisopus deweyanus (Hitchcock 1843)
Hitchcock 1848
recombined as Batrachopus deweyi
Ichnolites - Dipodichnites
Ornithoidichnites parvulus n. sp. Hitchcock 1841
see common names

Geography
Country:United States State/province:Connecticut County:Middlesex
Coordinates: 41.5° North, 72.7° West (view map)
Paleocoordinates:23.2° 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:201.30000 - 190.80000 m.y. ago
Stratigraphy
Geological group:Agawam Formation:Portland
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified sandstone
Secondary lithology:red "shale"
Includes fossils?Y
Lithology description: hard gray 'grit' and red 'shale'
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
Collectors:J. Barratt
Collection method comments: found as paving stone in Middletown, CT - originally derived from quarry
Metadata
Also known as:Lull 36
Database number:53033
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-09-01 14:10:16 Last modified:2019-07-15 16:29:38
Access level:the public Released:2005-09-01 14:10:16
Creative Commons license:CC BY
Reference information

Primary reference:

69420. E. Hitchcock. 1841. Final Report on the Geology of Massachusetts xii-831 [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]
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]
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]
15230ETE R. S. Lull. 1904. Fossil footprints of the Jura-Trias of North America. Memoirs of the Boston Society of Natural History 5(11):461-557 [M. Carrano/M. Carrano/M. Carrano]
14628ETE R. S. Lull. 1915. Triassic life of the Connecticut Valley. State of Connecticut State Geological and Natural History Survey Bulletin 24:1-285 [M. Carrano/M. Carrano/M. Carrano]
14321ETE R. S. Lull. 1953. Triassic life of the Connecticut Valley (revised). State of Connecticut State Geological and Natural History Survey Bulletin 81:1-336 [M. Carrano/M. Carrano/M. Carrano]