An gina shi a 1893 kuma an tsara shi ta hanyar masanin gine-gine mai suna Wilson Eyre don zama gidan Joseph Leidy (1823 - 1891), masanin ilimin kimiyyar ilimin kimiyyar Amurka.
Tabbas, wani nau'i mai rikitarwa na jumla shine "An gina shi a 1893 kuma an tsara shi ne ta hanyar masanin gine-gine mai suna Wilson Eyre don zama gidan Joseph Leidy (1823 - 1891), masanin ilimin kimiyyar ilimin kimiyyar Amurka, kuma ya zauna kusa da gidan Clarence B. Moore, wanda Eyre ya tsara a 1890. "