Alternative combinations: Palaeotrochus praecursor, Trachydomia praecursor, Trochus (Palaeotrochus) praecursor
Full reference: J. M. Clarke. 1885. On the higher Devonian faunas of Ontario County, New York. United States Geological Survey Bulletin 16:1-121
Sister taxon: Pseudoplagiothyra armatus
Ecology: epifaunal omnivore-grazer
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.