Dichograptidae
Dichograptidae is an extinct family of graptolites. Fossils are found mostly from the Late Ordovician to the Early Devonian.
Genera
List of genera from Maletz :- †Anthograptus Törnquist, 1904
- †Calamograptus Clark, 1924
- †Clonograpsus Nicholson, 1873
- †Ctenograptus Nicholson, 1876
- †Dichograpsus Salter, 1863
- †Hermannograptus Monsen, 1937
- †Holograptus Holm, 1881a
- †Kellamograptus Rickards & Chapman, 1991
- †Kstaugraptus Tzaj, 1973
- †Loganograptus Hall, 1868
- †Mimograptus Harris & Thomas, 1940
- †Orthodichograptus Thomas, 1972
- †Rouvilligraptus Barrois, 1893
- †Schizograptus Nicholson, 1876
- †Temnograptus Nicholson, 1876
- †Triaenograptus Hall, 1914
- †Tridensigraptus Zhao, 1964
- †Trochograptus Holm, 1881a