Gastropoda - Neritoidea - Naticopsidae
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
Belongs to Pseudoplagiothyra according to P. J. Wagner 2023
See also Clarke 1885, Clarke 1904, Clarke and Swartz 1913, Cook et al. 2003, Frýda 2000, Vostokova 1961 and Webster 1906
Sister taxon: Pseudoplagiothyra armatus
Subtaxa: Trochus (Palaeotrochus) praecursor rockfordensis
Ecology: epifaunal omnivore-grazer
Distribution:
• Devonian of Australia (1 collection), United States (3: Iowa, New York)
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.