Marjorie O'Connell1890 · 2 obras en el catálogoObrasTThe Schrammen Collection of Cretaceous Silicisponglae in theThe Schrammen Collection of Cretaceous Silicisponglae in the American Museum of Natural History, with notes on the structure, classification, geological and geographical distribution, and synonymy of the SilicisponglaeTThe habitat of the EurypteridaThe habitat of the Eurypterida
TThe Schrammen Collection of Cretaceous Silicisponglae in theThe Schrammen Collection of Cretaceous Silicisponglae in the American Museum of Natural History, with notes on the structure, classification, geological and geographical distribution, and synonymy of the Silicisponglae