†Lithacoceras (Subplanites) Dacque 1910 (ammonite)
Cephalopoda - Ammonitida - Ataxioceratidae
Parent taxon: Lithacoceras according to Dacque 1910
Sister taxa: Lithacoceras (Lithacoceras), Lithacoceras (Progeronia), Lithacoceras (Virgalithacoceras), Lithacoceras malarguense, Lithacoceras mombassanum, Lithacoceras sigali, Lithacoceras soucadeauxi, Lithacoceras ulmensis
Subtaxa: Lithacoceras (Subplanites) mombassanum
Ecology: fast-moving nektonic carnivore
Distribution: found only at Thunder Lake (Tithonian) (Jurassic of British Columbia)