Batrachopus gracilis Hitchcock 1845

Reptilia - Pseudosuchia - Batrachopodidae

Alternative combinations: Anisichnus gracilis, Anisopus gracilis

Synonyms: Anisichnus gracilior Hitchcock 1862, Anisopus gracilior Hitchcock 1862, Batrachopus (Anisopus) gracilior Hitchcock 1862, Batrachopus gracilior Hitchcock 1862, Shepardia palmipes Hitchcock 1858

Full reference: E. Hitchcock. 1845. An attempt to name, classify, and describe, the animals that made the fossil footmarks of New England. Sixth Annual Meeeting of the Association of American Geologists and Naturalists, New Haven, CT. Abstract and Proceedings 23-25

Belongs to Batrachopus according to E. C. Rainforth 2007

See also Deane 1861, Haubold 1969, Haubold 1971, Hay 1902, Hitchcock 1845, Hitchcock 1848, Hitchcock 1858, Hitchcock 1862, Hitchcock 1865, Hitchcock 1871, Hitchcock 1889, Hitchcock 1898, Kuhn 1963, Lull 1904, Lull 1915, Lull 1917, Lyman 1894, Olsen and Padian 1986 and Thorpe 1929

Sister taxa: Batrachopus argentina, Batrachopus bakoenaorum, Batrachopus bellus, Batrachopus deweyi, Batrachopus dispar, Batrachopus gilberti, Batrachopus pilosus, Batrachopus rugosus, Batrachopus supersaltator, Batrachopus tenuis, Batrachopus varians, Palamopus anomalus, Palamopus divaricans, Comptichnus moorosi, Chelonoides wittei, Chelonoides robusta, Orthodactylus howelli

Type specimens:

  • Batrachopus gracilis: AC 42/3, a footprint
  • Batrachopus gracilior: AC 46/3, a footprint. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine shale/sandstone in the Turners Falls Formation of Massachusetts.
  • Shepardia palmipes: AM 1413, a footprint. Its type locality is below Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Massachusetts.


• Jurassic of United States (6: Connecticut, Massachusetts collections)

• Triassic of United States (2: New Jersey, Pennsylvania)

Total: 8 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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