Despite being in private hands rather than a museum collection, paleontologist Chris Bennett was able to study the specimens and gave them the manuscript reference numbers KJ1 and KJ2 (for Kenneth Jenkins).
Unatoč tome što su bili u privatnim rukama, a ne u muzejskoj kolekciji, paleontolog Chris Bennett je bio u stanju istražiti ih i dati im oznake KJ1 i KJ2 (za Kenneth Jenkins).