Camptonectes
Species
Camptonectes bellistriatus (Meek, 1860)
Large, up to 6 cm wide, and relatively flat, about 1–2 cm in thickness. Subovate, higher than wide, large auricles, coarse radiating branching ribs and fine concentric growth lines.
Occurrence: Redwater (abundant in shell beds near top), Stump
Originally named Pecten bellistriatus
Reference: Imlay, 1964
Camptonectes bellistriatus
Drawing from Meek and Hayden, 1865
Camptonectes platessiformis White, 1880
distinguished from C. bellistriatus by being smaller, more slenger, with longer hinge and broad coarse ribs
Occurrence: Bajocian to early Callovian; Sliderock, Rich, Boundary Ridge, and Leeds Creek Members of Twin Creek Limestone
Reference: Imlay, 1964; Imlay, 1967
Camptonectes platessiformis
Photograph from Imlay, 1967
Camptonectes stygius White, 1874
Medium-sized, suborbicular, moderately convex, covered with fine concentric growth lines
Occurrence: Bajocian to early Callovian; Sliderock, Rich, Watton Canyon, and Leeds Creek Members of Twin Creek Limestone
Reference: Imlay, 1964; Imlay, 1967
Camptonectes stygius
Photograph from Imlay, 1964
