Prosaukia hartii Walcott 1879

Trilobita - Asaphida - Dikelocephalidae

Alternative combinations: Briscoia hartti, Conocephalites hartii, Dicellocephalus hartii, Dicellocephalus hartti, Dikelocephalus hartii, Dikelocephalus hartti, Prosaukia hartti

Synonyms: Prosaukia alternata Ulrich and Resser 1933, Prosaukia curvicostata Ulrich and Resser 1933, Prosaukia demissa Ulrich and Resser 1933, Prosaukia eboracensis Resser 1942, Prosaukia subaequalis Ulrich and Resser 1933, Prosaukia subconica Ulrich and Resser 1933, Prosaukia subrecta Ulrich and Resser 1933, Prosaukia transversa Ulrich and Resser 1933, Saukia eboracensis Resser 1942

Full reference: C. D. Walcott. 1879. Descriptions of new species of fossils from the Calciferous Formation. Annual Report of the New York Museum of Natural History 32:129-131

Belongs to Prosaukia according to S. Srivastava and N. C. Hughes 2023

See also Bassler 1915, Ludvigsen and Westrop 1983, Ulrich and Resser 1933, Walcott 1879, Walcott 1886, Walcott 1912, Walcott 1914 and Winston and Nicholls 1967

Sister taxa: Prosaukia ambigua, Prosaukia anomala, Prosaukia diversa, Prosaukia misa, Prosaukia pyrene, Prosaukia serotina, Prosaukia spinula

Type specimens:

  • Prosaukia hartii: USNM 58571, a cephalon/head (cranidium)
  • Prosaukia alternata:
  • Prosaukia curvicostata:
  • Prosaukia demissa:
  • Prosaukia eboracensis: USNM 58577.
  • Prosaukia subaequalis:
  • Prosaukia subconica:
  • Prosaukia subrecta:
  • Prosaukia transversa:


• Cambrian of United States (4: New York, Texas collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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