Anadesma shallopensis Twenhofel 1928 (trilobite)

Trilobita - Lichida - Lichidae

Alternative combinations: Amphilichas shallopensis, Arctinurus shallopensis

Synonyms: Amphilichas anticostiensis Northrop 1939, Amphilichas canadensis Billings 1866, Anadesma anticostiensis Northrop 1939, Arctinurus anticostiensis Northrop 1939, Lichas canadensis Billings 1866

Full reference: W. H. Twenhofel. 1928. Geology of Anticosti Island. Geological Survey of Canada Memoir 154(2132):1-351

Belongs to Anadesma according to D. J. Holloway 2021

See also Chatterton and Ludvigsen 2004, Northrop 1939 and Twenhofel 1928

Sister taxa: none

Type specimens:

  • Anadesma shallopensis: GSC 2546, a cephalon/head (cranidium)
  • Anadesma anticostiensis: GSC 2471, a pygidium.
  • Lichas canadensis: GSC 2471, a pygidium.

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Silurian of Canada (16: Anticosti, Quebec, Québec collections)

Total: 16 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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