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Sigmagraptidae is an extinct family of graptolites.


Genera

List of genera from Maletz (2014): *†'' Acrograptus'' Tzaj, 1969 *†'' Azygograptus'' Nicholson & Lapworth, 1875 in Nicholson (1875) *†'' Eoazygograptus'' Obut & Sennikov, 1984 *†'' Eotetragraptus'' Bouček & Přibyl, 1951 *†'' Etagraptus'' Ruedemann, 1904 *†'' Goniograptus'' M’Coy, 1876 *†'' Hemigoniograptus'' Jin & Wang, 1977 *†'' Jiangnanograptus'' Xiao & Chen, 1990 *†'' Jishougraptus'' Ge, 1988 *†'' Keblograptus'' Riva, 1992 *†'' Kinnegraptus'' Skoglund, 1961 *†'' Laxograptus'' Cooper & Fortey, 1982 *†'' Maeandrograptus'' Moberg, 1892 *†'' Metazygograptus'' Obut & Sennikov, 1984 *†'' Oslograptus'' Jaanusson, 1965 *†'' Paradelograptus'' Erdtmann, Maletz & Gutiérrez-Marco, 1987 *†'' Paraulograptus'' Bouček, 1973 *†'' Pendeosalicograptus'' Jiao, 1981 *†'' Perissograptus'' Williams & Stevens, 1988 *†'' Praegoniograptus'' Rickards & Chapman, 1991 *†'' Prokinnegraptus'' Mu, 1974 *†'' Sigmagraptus'' Ruedemann, 1904 *†'' Taishanograptus'' Li & Ge, 1987 in Li, Ge & Chen (1987) *†'' Trichograptus'' Nicholson, 1876 *†'' Wuninograptus'' Ni, 1981 *†'' Yushanograptus'' Chen, Sun & Han, 1964


References

Graptolites Prehistoric hemichordate families {{Hemichordate-stub