The ultrastructure, development, and systematic position of the graptolite genus Mastigograptus Author Bates, Denis E. B. Author Urbanek, Adam text Acta Palaeontologica Polonica 2002 2002-12-31 47 3 445 458 journal article 300548 10.5281/zenodo.13173625 e1992fb4-7e66-4a43-ad41-4c8962d41bbe 1732-2421 13173625 Family Mastigograptidae nov. Diagnosis .—As for the order. Genera included .— Mastigograptus Ruedemann, 1908 (Cambrian–Silurian); Micrograptus Eisenack, 1974 (Ordovician).