The Cove, Wethersfield (Jurassic to of the United States)

Also known as Lull 33

Where: Middlesex County, Connecticut (41.7° N, 72.7° W: paleocoordinates 23.4° N, 18.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Portland Formation (Agawam Group), Hettangian to Hettangian (201.3 - 190.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; brown, red shale

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by H. Hammer, E. Hitchcock in the 1835-1870s

Collection methods: quarrying, surface (in situ),

• originally discovered by Mr. Henry Hanmer, a junior at Amherst College. Visited by Perry in the 1930s.

Primary reference: E. Hitchcock. 1837. Ornithichnites in Connecticut. The American Journal of Science and Arts 31:174-175 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53000: authorized by Matthew Carrano, entered by Matthew Carrano on 30.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Lophophaenidae
"Trisulcus sp." = Botryopera5
"Trisulcus sp." = Botryopera5 Haeckel 1887 radiolarian
Osteichthyes
 Tetrapoda -
Typopus gracilis n. sp.3
Typopus gracilis n. sp.3 Hitchcock 1858 tetrapod
Reptilia
  -
"Ornithoidichnites gracilior n. sp." = Sillimanius gracilior1, "Ornithoidichnites tetradactylus" = Sillimanius tetradactylus, "Ornithopus gallinaceus" = Sillimanius tetradactylus2
"Ornithoidichnites gracilior n. sp." = Sillimanius gracilior1 Hitchcock 1841 reptile
"Ornithoidichnites tetradactylus" = Sillimanius tetradactylus Hitchcock 1836 reptile
"Ornithopus gallinaceus" = Sillimanius tetradactylus2 Hitchcock 1836 reptile
 Pseudosuchia - Batrachopodidae
"Comptichnus sp." = Batrachopus5, "Exocampe ? ornata" = Batrachopus deweyi4
"Comptichnus sp." = Batrachopus5 Hitchcock 1845 aetosaur
n. sp.
"Exocampe ? ornata" = Batrachopus deweyi4 Hitchcock 1843 aetosaur
 Theropoda - Grallatoridae
"Ornithoidichnites expansus" = Eubrontes expansus1, "Brontozoum sillimanium" = Eubrontes sillimani5, "Ornithoidichnites cuneatus" = Eubrontes sillimani1, "Plesiornis giganteus n. sp." = Eubrontes minusculus5, "Ornithoidichnites giganteus" = Eubrontes giganteus1, "Brontozoum divaricatum" = Eubrontes giganteus5, Grallator tenuis5, "Ornithoidichnites tuberosus" = Grallator tuberosus
"Ornithoidichnites expansus" = Eubrontes expansus1 Hitchcock 1841 theropod
"Brontozoum sillimanium" = Eubrontes sillimani5 Hitchcock 1843 theropod
"Ornithoidichnites cuneatus" = Eubrontes sillimani1 Hitchcock 1843 theropod
"Plesiornis giganteus n. sp." = Eubrontes minusculus5 Hitchcock 1837 theropod
"Ornithoidichnites giganteus" = Eubrontes giganteus1 Hitchcock 1836 theropod
"Brontozoum divaricatum" = Eubrontes giganteus5 Hitchcock 1836 theropod
Grallator tenuis5 Hitchcock 1858 theropod
"Ornithoidichnites tuberosus" = Grallator tuberosus Hitchcock 1836 theropod
 Theropoda -
"Sauroidichnites longipes n. sp." = Plectropus longipes1
"Sauroidichnites longipes n. sp." = Plectropus longipes1 Hitchcock 1841 theropod
  -
Plectropterna gracilis5, Plectropterna lineans3, Plectropterna elegans5, "Plectropterna minitans" = Plectropterna minitans4, "Sauroidichnites minitans" = Plectropterna minitans1
Plectropterna gracilis5 Hitchcock 1858 dinosaur
Plectropterna lineans3 Hitchcock 1858 dinosaur
Plectropterna elegans5 Hitchcock 1889 dinosaur
"Plectropterna minitans" = Plectropterna minitans4 Hitchcock 1837 dinosaur
"Sauroidichnites minitans" = Plectropterna minitans1 Hitchcock 1837 dinosaur
 Saurischia -
Plesiornis sp.5, "Ornithoidichnites minimus" = Argoides minimus, "Plesiornis aequalipes" = Argoides minimus4, "Argozoum disparidigitatum" = Argoides macrodactylus2, Trihamus elegans5, Trihamus magnus5, "Ornithoidichnites delicatulus n. sp." = Platypterna delicatula1, "Ornithoidichnites deanii n. sp." = Platypterna deanii2, "Ornithoidichnites tenuis n. sp." = Platypterna tenuis2, "Harpedactylus sp." = Platypterna5
Plesiornis sp.5 Hitchcock 1858 saurischian
n. sp.
"Ornithoidichnites minimus" = Argoides minimus Hitchcock 1836 saurischian
"Plesiornis aequalipes" = Argoides minimus4 Hitchcock 1836 saurischian
"Argozoum disparidigitatum" = Argoides macrodactylus2 Hitchcock 1841 saurischian
Trihamus elegans5 Hitchcock 1862 saurischian
Trihamus magnus5 Hitchcock 1889 saurischian
"Ornithoidichnites delicatulus n. sp." = Platypterna delicatula1 Hitchcock 1841 saurischian
"Ornithoidichnites deanii n. sp." = Platypterna deanii2 Hitchcock 1837 saurischian
"Ornithoidichnites tenuis n. sp." = Platypterna tenuis2 Hitchcock 1837 saurischian
"Harpedactylus sp." = Platypterna5 Hitchcock 1845 saurischian
n. sp.
 Ornithischia - Moyenisauropodidae
"Anomoepus curvatus" = Anomoepus scambus5, "Anomoepus intermedius" = Anomoepus scambus7, "Corvipes lacertoideus" = Anomoepus lacertoideus5
"Anomoepus curvatus" = Anomoepus scambus5 Hitchcock 1848 ornithopod
"Anomoepus intermedius" = Anomoepus scambus7 Hitchcock 1848 ornithopod
"Corvipes lacertoideus" = Anomoepus lacertoideus5 Hitchcock 1858 ornithopod
 Testudinata -
"Sauroidichnites heteroclitus n. sp." = Ancyropus heteroclitus1, "Sauroidichnites jacksoni n. sp." = Ancyropus heteroclitus1
"Sauroidichnites heteroclitus n. sp." = Ancyropus heteroclitus1 Hitchcock 1841 turtle
"Sauroidichnites jacksoni n. sp." = Ancyropus heteroclitus1 Hitchcock 1841 turtle
  -
"Ornithoidichnites elegans" = Steropoides diversus1
"Ornithoidichnites elegans" = Steropoides diversus1 Hitchcock 1836 reptile
Amphibia
 Labyrinthodontia -
"Triaenopus emmonsianus" = Triaenopus emmonsii6, "Triaenopus baileyanus" = Triaenopus emmonsii4
"Triaenopus emmonsianus" = Triaenopus emmonsii6 Hitchcock 1841 tetrapod
later renamed T. leptodactylus
"Triaenopus baileyanus" = Triaenopus emmonsii4 Hitchcock 1841 tetrapod
later renamed T. leptodactylus
Bisulcus
  -
Bisulcus sp.5
Bisulcus sp.5 Hitchcock 1862
 Ichnofossils -
Acanthichnus cursorius5, Conopsoides larvalis4, Cochlichnus spp.5
Cochlichnus spp.5 Hitchcock 1858
two species, unnamed
 Vermes -
"Unisulcus minutus" = Herpystezoum5
"Unisulcus minutus" = Herpystezoum5
1Hitchcock 1841; 2Hitchcock 1848; 3Hitchcock 1858; 4Hitchcock 1865; 5Hitchcock 1889; 6Lull 1904; 7Lull 1953