PaleoDB taxon number: 156016
Synonym: Helcura caudata Hitchcock 1858 (taxon 156017)
Full reference: 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
- Helcura littoralis: AC 26/10, 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.
- Helcura caudata: Its type locality is Ferry above Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone in the Portland Formation of Massachusetts.